{
  "average_delay": 14.101,
  "average_delay_with_out_empty_turn": 10.419,
  "average_onscreen_delay": 2.873,
  "average_typing_delay": 11.227,
  "average_typing_duration": 15.499,
  "average_wpm": 13,
  "average_wpm_with_out_empty_turn": 26,
  "agents": [
    {
      "agent_id": 12,
      "average_delay": 0,
      "average_delay_with_out_empty_turn": 0,
      "average_onscreen_delay": 0,
      "average_typing_delay": 0,
      "average_typing_duration": 0,
      "average_wpm": 0,
      "average_wpm_with_out_empty_turn": 0
    },
    {
      "agent_id": 13,
      "average_delay": 13.785,
      "average_delay_with_out_empty_turn": 9.079,
      "average_onscreen_delay": 1.953,
      "average_typing_delay": 11.832,
      "average_typing_duration": 16.415,
      "average_wpm": 12,
      "average_wpm_with_out_empty_turn": 25
    },
    {
      "agent_id": 14,
      "average_delay": 14.471,
      "average_delay_with_out_empty_turn": 10.874,
      "average_onscreen_delay": 3.124,
      "average_typing_delay": 11.348,
      "average_typing_duration": 15.489,
      "average_wpm": 14,
      "average_wpm_with_out_empty_turn": 29
    },
    {
      "agent_id": 15,
      "average_delay": 14.015,
      "average_delay_with_out_empty_turn": 10.092,
      "average_onscreen_delay": 2.566,
      "average_typing_delay": 11.449,
      "average_typing_duration": 16.534,
      "average_wpm": 10,
      "average_wpm_with_out_empty_turn": 20
    },
    {
      "agent_id": 16,
      "average_delay": 14.129,
      "average_delay_with_out_empty_turn": 11.594,
      "average_onscreen_delay": 3.838,
      "average_typing_delay": 10.291,
      "average_typing_duration": 13.586,
      "average_wpm": 15,
      "average_wpm_with_out_empty_turn": 31
    }
  ],
  "messages": [
    {
      "message_id": 0,
      "agent_id": 15,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1,
      "agent_id": 16,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 2,
      "agent_id": 13,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 3,
      "agent_id": 14,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 4,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 5,
      "agent_id": 16,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 6,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 7,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 8,
      "agent_id": 16,
      "delay": 14.999,
      "onscreen_delay": 3.996,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 9,
      "agent_id": 14,
      "delay": 10.996,
      "onscreen_delay": 3.889,
      "typing_delay": 7.107,
      "typing_duration": 15,
      "wpm": 11,
      "message": "วันสอบมีใคร"
    },
    {
      "message_id": 10,
      "agent_id": 16,
      "delay": 10.998,
      "onscreen_delay": 5.895,
      "typing_delay": 5.103,
      "typing_duration": 10.942,
      "wpm": 45,
      "message": "ไม่ว่างไหม สอบทีหลังคนเดียวใช่ไหม "
    },
    {
      "message_id": 11,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 0,
      "typing_delay": 11,
      "typing_duration": 11,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 13,
      "agent_id": 16,
      "delay": 6.998,
      "onscreen_delay": 0.532,
      "typing_delay": 6.466,
      "typing_duration": 9.729,
      "wpm": 32,
      "message": "ถ้าไม่ว่างก็สอบทีหลัง "
    },
    {
      "message_id": 14,
      "agent_id": 13,
      "delay": 5.728,
      "onscreen_delay": 0.635,
      "typing_delay": 5.093,
      "typing_duration": 12.512,
      "wpm": 30,
      "message": "สอบคนเดียวค่ะ สอบทีหลังนะ "
    },
    {
      "message_id": 15,
      "agent_id": 14,
      "delay": 8.511,
      "onscreen_delay": 3.114,
      "typing_delay": 5.397,
      "typing_duration": 13.335,
      "wpm": 36,
      "message": "เดี๋ยวมาเรียนต่ออีก 1 เรื่องนะคะ "
    },
    {
      "message_id": 16,
      "agent_id": 16,
      "delay": 9.334,
      "onscreen_delay": 4.748,
      "typing_delay": 4.586,
      "typing_duration": 13.368,
      "wpm": 24,
      "message": "ก่อนที่เราจะสอบ ก็คือ"
    },
    {
      "message_id": 17,
      "agent_id": 13,
      "delay": 9.367,
      "onscreen_delay": 4.678,
      "typing_delay": 4.689,
      "typing_duration": 15.001,
      "wpm": 24,
      "message": "เรื่อง Queue คราวที่แล้ว "
    },
    {
      "message_id": 18,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 6.437,
      "typing_delay": 4.562,
      "typing_duration": 10.63,
      "wpm": 28,
      "message": "ใช่ไหมคะ ยังจำได้ไหม "
    },
    {
      "message_id": 19,
      "agent_id": 16,
      "delay": 8.611,
      "onscreen_delay": 0,
      "typing_delay": 8.611,
      "typing_duration": 8.611,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 20,
      "agent_id": 13,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 21,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 22,
      "agent_id": 15,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 23,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 6.542,
      "typing_delay": 8.458,
      "typing_duration": 8.458,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 24,
      "agent_id": 13,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 25,
      "agent_id": 14,
      "delay": 14.998,
      "onscreen_delay": 5.347,
      "typing_delay": 9.651,
      "typing_duration": 13.895,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 26,
      "agent_id": 15,
      "delay": 10.996,
      "onscreen_delay": 4.072,
      "typing_delay": 6.924,
      "typing_duration": 15.935,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 27,
      "agent_id": 16,
      "delay": 11.932,
      "onscreen_delay": 7.575,
      "typing_delay": 4.357,
      "typing_duration": 12.963,
      "wpm": 25,
      "message": "คุณสมบัติของ สแตรก คือ"
    },
    {
      "message_id": 28,
      "agent_id": 13,
      "delay": 8.961,
      "onscreen_delay": 3.191,
      "typing_delay": 5.77,
      "typing_duration": 15.288,
      "wpm": 22,
      "message": "เข้าก่อนออกที่หลังนะคะ "
    },
    {
      "message_id": 29,
      "agent_id": 14,
      "delay": 11.288,
      "onscreen_delay": 6.232,
      "typing_delay": 5.056,
      "typing_duration": 13.714,
      "wpm": 20,
      "message": "คุณสมบัติของ Stack "
    },
    {
      "message_id": 30,
      "agent_id": 15,
      "delay": 9.712,
      "onscreen_delay": 4.515,
      "typing_delay": 5.197,
      "typing_duration": 12.946,
      "wpm": 21,
      "message": "ก็คือ เข้าก่อนนะคะ "
    },
    {
      "message_id": 31,
      "agent_id": 16,
      "delay": 8.945,
      "onscreen_delay": 2.769,
      "typing_delay": 6.176,
      "typing_duration": 12.866,
      "wpm": 10,
      "message": "แล้วก็ออก"
    },
    {
      "message_id": 32,
      "agent_id": 13,
      "delay": 8.865,
      "onscreen_delay": 3.947,
      "typing_delay": 4.918,
      "typing_duration": 12.964,
      "wpm": 32,
      "message": "ที่หลัง คราวนี้ เราจะเห็นว่า"
    },
    {
      "message_id": 33,
      "agent_id": 14,
      "delay": 8.964,
      "onscreen_delay": 4.717,
      "typing_delay": 4.247,
      "typing_duration": 13.836,
      "wpm": 47,
      "message": "คุณสมบัติของ Stack ก็คือ เข้าก่อน ออกทีหลัง"
    },
    {
      "message_id": 34,
      "agent_id": 15,
      "delay": 9.834,
      "onscreen_delay": 5.747,
      "typing_delay": 4.087,
      "typing_duration": 8.939,
      "wpm": 7,
      "message": "นะคะ "
    },
    {
      "message_id": 35,
      "agent_id": 16,
      "delay": 5.833,
      "onscreen_delay": 1.065,
      "typing_delay": 4.768,
      "typing_duration": 10.026,
      "wpm": 28,
      "message": "มีแค่ 1 ทางถูกไหมคะ "
    },
    {
      "message_id": 36,
      "agent_id": 13,
      "delay": 6.025,
      "onscreen_delay": 1.631,
      "typing_delay": 4.394,
      "typing_duration": 17.932,
      "wpm": 38,
      "message": "การเข้าออกนะคะ ของโครงสร้างข้อมูลแบบ Stack จะ"
    },
    {
      "message_id": 37,
      "agent_id": 14,
      "delay": 13.932,
      "onscreen_delay": 9.41,
      "typing_delay": 4.522,
      "typing_duration": 15.008,
      "wpm": 15,
      "message": "มีทางเข้าทางออก "
    },
    {
      "message_id": 38,
      "agent_id": 15,
      "delay": 11.006,
      "onscreen_delay": 5.936,
      "typing_delay": 5.07,
      "typing_duration": 15.909,
      "wpm": 25,
      "message": "เวลาเราเพิ่มข้อมูลใส่เข้าไป"
    },
    {
      "message_id": 39,
      "agent_id": 16,
      "delay": 11.908,
      "onscreen_delay": 7.781,
      "typing_delay": 4.127,
      "typing_duration": 8.719,
      "wpm": 52,
      "message": "ข้อมูลจะอยู่ด้านบนหรือด้านล่าง "
    },
    {
      "message_id": 40,
      "agent_id": 13,
      "delay": 7.907,
      "onscreen_delay": 3.17,
      "typing_delay": 4.737,
      "typing_duration": 17.817,
      "wpm": 39,
      "message": "ถ้าเราเพิ่มข้อมูลใหม่เข้าไป ข้อมูลจะอยู่ด้านบน"
    },
    {
      "message_id": 41,
      "agent_id": 14,
      "delay": 13.816,
      "onscreen_delay": 8.729,
      "typing_delay": 5.087,
      "typing_duration": 10.312,
      "wpm": 28,
      "message": "นะคะ บนสุดของ Stack "
    },
    {
      "message_id": 42,
      "agent_id": 15,
      "delay": 9.815,
      "onscreen_delay": 4.666,
      "typing_delay": 5.149,
      "typing_duration": 15.485,
      "wpm": 14,
      "message": "แล้วเวลาเอาออก "
    },
    {
      "message_id": 43,
      "agent_id": 16,
      "delay": 11.483,
      "onscreen_delay": 7.041,
      "typing_delay": 4.442,
      "typing_duration": 12.662,
      "wpm": 50,
      "message": "ถูกไหมคะ เวลาเราเอาข้อมูลออกเราก็เอาข้อมูล"
    },
    {
      "message_id": 44,
      "agent_id": 13,
      "delay": 8.662,
      "onscreen_delay": 4.33,
      "typing_delay": 4.332,
      "typing_duration": 12.762,
      "wpm": 35,
      "message": "ที่อยู่ด้านบนสุดออกนะคะ รูปแบบ"
    },
    {
      "message_id": 45,
      "agent_id": 14,
      "delay": 8.76,
      "onscreen_delay": 4.514,
      "typing_delay": 4.246,
      "typing_duration": 11.61,
      "wpm": 36,
      "message": "ของการจัดเก็บข้อมูลแบบ Stack "
    },
    {
      "message_id": 46,
      "agent_id": 15,
      "delay": 7.61,
      "onscreen_delay": 2.959,
      "typing_delay": 4.651,
      "typing_duration": 16.216,
      "wpm": 19,
      "message": "นะคะ เราเก็บในรูปแบบ"
    },
    {
      "message_id": 47,
      "agent_id": 16,
      "delay": 12.213,
      "onscreen_delay": 7.853,
      "typing_delay": 4.36,
      "typing_duration": 12.862,
      "wpm": 48,
      "message": "ที่เรียกว่า List เราเก็บข้อมูลที่เรียกว่า"
    },
    {
      "message_id": 48,
      "agent_id": 13,
      "delay": 8.861,
      "onscreen_delay": 4.457,
      "typing_delay": 4.404,
      "typing_duration": 16.284,
      "wpm": 30,
      "message": "ในรูปแบบที่เป็น List จะเก็บข้อมูล"
    },
    {
      "message_id": 49,
      "agent_id": 14,
      "delay": 12.283,
      "onscreen_delay": 7.328,
      "typing_delay": 4.955,
      "typing_duration": 10.791,
      "wpm": 14,
      "message": "เรียงต่อไป "
    },
    {
      "message_id": 50,
      "agent_id": 15,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 51,
      "agent_id": 16,
      "delay": 14.998,
      "onscreen_delay": 7.809,
      "typing_delay": 7.189,
      "typing_duration": 10.955,
      "wpm": 27,
      "message": "แค่จับเอียงเฉย ๆ แต่"
    },
    {
      "message_id": 52,
      "agent_id": 14,
      "delay": 10.997,
      "onscreen_delay": 6.569,
      "typing_delay": 4.428,
      "typing_duration": 13.497,
      "wpm": 54,
      "message": "รูปแบบจะเหมือนกัน ก็คือ เราจะเก็บข้อมูลเป็นช่อง ๆ "
    },
    {
      "message_id": 54,
      "agent_id": 16,
      "delay": 9.495,
      "onscreen_delay": 4.641,
      "typing_delay": 4.854,
      "typing_duration": 10.36,
      "wpm": 35,
      "message": "นะคะ ถ้าเป็นแนวนอนแบบนี้ "
    },
    {
      "message_id": 55,
      "agent_id": 13,
      "delay": 6.359,
      "onscreen_delay": 1.297,
      "typing_delay": 5.062,
      "typing_duration": 15.001,
      "wpm": 24,
      "message": "ตัวแรกนี่ก็คือตัวที่เก็บ"
    },
    {
      "message_id": 56,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 6.578,
      "typing_delay": 4.422,
      "typing_duration": 12.452,
      "wpm": 42,
      "message": "ด้านซ้ายก็เรียงลำดับไปเรื่อย ๆ นะคะ "
    },
    {
      "message_id": 57,
      "agent_id": 16,
      "delay": 8.451,
      "onscreen_delay": 2.211,
      "typing_delay": 6.24,
      "typing_duration": 12.606,
      "wpm": 25,
      "message": "การเก็บข้อมูลแบบ List "
    },
    {
      "message_id": 58,
      "agent_id": 13,
      "delay": 8.604,
      "onscreen_delay": 3.979,
      "typing_delay": 4.625,
      "typing_duration": 12.117,
      "wpm": 38,
      "message": "เราจะมี Index นะคะ เป็นตัวกำกับ"
    },
    {
      "message_id": 59,
      "agent_id": 14,
      "delay": 8.117,
      "onscreen_delay": 3.967,
      "typing_delay": 4.15,
      "typing_duration": 11.714,
      "wpm": 40,
      "message": "หมายเลขช่อง ต้องการเอาข้อมูลออก"
    },
    {
      "message_id": 60,
      "agent_id": 16,
      "delay": 7.713,
      "onscreen_delay": 3.349,
      "typing_delay": 4.364,
      "typing_duration": 12.137,
      "wpm": 58,
      "message": "ช่องสุดท้ายก็ต้องรู้ว่า Index ตัวสุดท้ายคืออะไร "
    },
    {
      "message_id": 61,
      "agent_id": 13,
      "delay": 8.136,
      "onscreen_delay": 3.558,
      "typing_delay": 4.578,
      "typing_duration": 10.877,
      "wpm": 33,
      "message": "แล้วก็ดึงข้อมูลออกมานะคะ "
    },
    {
      "message_id": 62,
      "agent_id": 14,
      "delay": 6.877,
      "onscreen_delay": 2.72,
      "typing_delay": 4.157,
      "typing_duration": 13.833,
      "wpm": 33,
      "message": "หมายเลข Index ที่ชี้ใน List จะ"
    },
    {
      "message_id": 63,
      "agent_id": 15,
      "delay": 9.833,
      "onscreen_delay": 5.215,
      "typing_delay": 4.618,
      "typing_duration": 16.16,
      "wpm": 20,
      "message": "เริ่มต้นที่เลขอะไรเอ่ย "
    },
    {
      "message_id": 64,
      "agent_id": 16,
      "delay": 12.159,
      "onscreen_delay": 7.613,
      "typing_delay": 4.546,
      "typing_duration": 12.535,
      "wpm": 49,
      "message": "เราจะเริ่มต้นที่ 0 ถูกไหมคะ หมายเลข index "
    },
    {
      "message_id": 65,
      "agent_id": 13,
      "delay": 8.533,
      "onscreen_delay": 2.184,
      "typing_delay": 6.349,
      "typing_duration": 16.944,
      "wpm": 13,
      "message": "ก็คือหมายเลขของ"
    },
    {
      "message_id": 66,
      "agent_id": 14,
      "delay": 12.943,
      "onscreen_delay": 8.88,
      "typing_delay": 4.063,
      "typing_duration": 14.244,
      "wpm": 32,
      "message": "แต่ละช่องนี่จะเริ่มที่ 0, 1, 2 "
    },
    {
      "message_id": 67,
      "agent_id": 15,
      "delay": 10.244,
      "onscreen_delay": 6.085,
      "typing_delay": 4.159,
      "typing_duration": 16.491,
      "wpm": 35,
      "message": "ไลไปเรื่อย ๆ นะคะ ต้องการเข้าถึงข้อมูล"
    },
    {
      "message_id": 68,
      "agent_id": 16,
      "delay": 12.49,
      "onscreen_delay": 7.319,
      "typing_delay": 5.171,
      "typing_duration": 10.859,
      "wpm": 35,
      "message": "ที่ index ตัวสุดท้ายก็คือ"
    },
    {
      "message_id": 69,
      "agent_id": 13,
      "delay": 8.479,
      "onscreen_delay": 4.138,
      "typing_delay": 4.341,
      "typing_duration": 16.621,
      "wpm": 33,
      "message": "เป็น Index หมายเลข 4 นะคะ เป็นแนวตั้ง"
    },
    {
      "message_id": 70,
      "agent_id": 14,
      "delay": 12.621,
      "onscreen_delay": 8.433,
      "typing_delay": 4.188,
      "typing_duration": 11.499,
      "wpm": 38,
      "message": "เหมือนกัน ก็จะเก็บข้อมูลโดยมี"
    },
    {
      "message_id": 71,
      "agent_id": 15,
      "delay": 8.62,
      "onscreen_delay": 4.161,
      "typing_delay": 4.459,
      "typing_duration": 16.856,
      "wpm": 25,
      "message": "หมายเลข Index เป็นตัวชี้นะคะ "
    },
    {
      "message_id": 72,
      "agent_id": 16,
      "delay": 12.854,
      "onscreen_delay": 8.463,
      "typing_delay": 4.391,
      "typing_duration": 9.997,
      "wpm": 35,
      "message": "เป็นตัวกำกับในแต่ละช่อง "
    },
    {
      "message_id": 73,
      "agent_id": 13,
      "delay": 8.854,
      "onscreen_delay": 4.119,
      "typing_delay": 4.735,
      "typing_duration": 17.881,
      "wpm": 32,
      "message": "อันนี้คือ stack แล้วเรามีการเก็บข้อมูล"
    },
    {
      "message_id": 74,
      "agent_id": 14,
      "delay": 13.88,
      "onscreen_delay": 9.715,
      "typing_delay": 4.165,
      "typing_duration": 13.709,
      "wpm": 43,
      "message": "ที่เป็นแบบ List นะคะ อันนี้คือ 1 รูปแบบ"
    },
    {
      "message_id": 75,
      "agent_id": 15,
      "delay": 9.879,
      "onscreen_delay": 5.529,
      "typing_delay": 4.35,
      "typing_duration": 9.688,
      "wpm": 5,
      "message": "ของ "
    },
    {
      "message_id": 76,
      "agent_id": 16,
      "delay": 6.363,
      "onscreen_delay": 0,
      "typing_delay": 6.363,
      "typing_duration": 13.828,
      "wpm": 37,
      "message": "เราจะเรียนอีก 1 โครงสร้างก็คือ คิว "
    },
    {
      "message_id": 77,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 78,
      "agent_id": 14,
      "delay": 14.998,
      "onscreen_delay": 7.811,
      "typing_delay": 7.187,
      "typing_duration": 13.457,
      "wpm": 23,
      "message": "คราวนี้ก่อนอื่น Stack "
    },
    {
      "message_id": 79,
      "agent_id": 15,
      "delay": 10.996,
      "onscreen_delay": 5.547,
      "typing_delay": 5.449,
      "typing_duration": 16.925,
      "wpm": 29,
      "message": "จะมีคำสั่งที่เอาข้อเข้ากับเอาข้อม"
    },
    {
      "message_id": 80,
      "agent_id": 16,
      "delay": 12.925,
      "onscreen_delay": 8.11,
      "typing_delay": 4.815,
      "typing_duration": 12.211,
      "wpm": 42,
      "message": "ถูกไหมคะ คำสั่งของการเอาข้อมูลเข้า"
    },
    {
      "message_id": 81,
      "agent_id": 13,
      "delay": 8.924,
      "onscreen_delay": 4.025,
      "typing_delay": 4.899,
      "typing_duration": 12.578,
      "wpm": 26,
      "message": "ลงไปใน Stack ใช้คำสั่ง "
    },
    {
      "message_id": 82,
      "agent_id": 14,
      "delay": 8.576,
      "onscreen_delay": 4.22,
      "typing_delay": 4.356,
      "typing_duration": 11.005,
      "wpm": 23,
      "message": "ใช้คำสั่งอะไรเอ่ย "
    },
    {
      "message_id": 83,
      "agent_id": 15,
      "delay": 7.003,
      "onscreen_delay": 1.669,
      "typing_delay": 5.334,
      "typing_duration": 15.002,
      "wpm": 26,
      "message": "ใช่คำสั่งตัวไหน ถ้าเอาข้อม"
    },
    {
      "message_id": 84,
      "agent_id": 16,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 85,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 9.609,
      "typing_delay": 5.393,
      "typing_duration": 15.677,
      "wpm": 29,
      "message": "มีเอาข้อมูลเข้า กับนำข้อมูลออก "
    },
    {
      "message_id": 86,
      "agent_id": 14,
      "delay": 11.676,
      "onscreen_delay": 2.967,
      "typing_delay": 8.709,
      "typing_duration": 8.709,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 87,
      "agent_id": 15,
      "delay": 9.567,
      "onscreen_delay": 0,
      "typing_delay": 9.567,
      "typing_duration": 19.003,
      "wpm": 11,
      "message": "สมมุติว่าใน St"
    },
    {
      "message_id": 88,
      "agent_id": 16,
      "delay": 14.99,
      "onscreen_delay": 9.415,
      "typing_delay": 5.575,
      "typing_duration": 15.16,
      "wpm": 17,
      "message": "สมมุติว่าใน Stack "
    },
    {
      "message_id": 89,
      "agent_id": 13,
      "delay": 11.159,
      "onscreen_delay": 5.61,
      "typing_delay": 5.549,
      "typing_duration": 15.988,
      "wpm": 33,
      "message": "ถ้าเราต้องการเอาข้อมูลเข้าจะต้องใช้"
    },
    {
      "message_id": 90,
      "agent_id": 14,
      "delay": 11.986,
      "onscreen_delay": 7.748,
      "typing_delay": 4.238,
      "typing_duration": 14.295,
      "wpm": 21,
      "message": "คำสั่ง Push หรือ Pop "
    },
    {
      "message_id": 91,
      "agent_id": 15,
      "delay": 10.279,
      "onscreen_delay": 5.191,
      "typing_delay": 5.088,
      "typing_duration": 14.792,
      "wpm": 8,
      "message": "Put หรือ "
    },
    {
      "message_id": 92,
      "agent_id": 16,
      "delay": 10.791,
      "onscreen_delay": 5.577,
      "typing_delay": 5.214,
      "typing_duration": 18.21,
      "wpm": 13,
      "message": "Pop ใช้คำสั่ง pu"
    },
    {
      "message_id": 93,
      "agent_id": 13,
      "delay": 14.209,
      "onscreen_delay": 9.006,
      "typing_delay": 5.203,
      "typing_duration": 19.001,
      "wpm": 17,
      "message": "Push จะต้องบอกด้วยว่า"
    },
    {
      "message_id": 94,
      "agent_id": 14,
      "delay": 15,
      "onscreen_delay": 10.662,
      "typing_delay": 4.338,
      "typing_duration": 14.488,
      "wpm": 39,
      "message": "ข้อมูลอะไร ใช่ไหมคะ ก็ใส่หมายเลขข้างใน "
    },
    {
      "message_id": 95,
      "agent_id": 15,
      "delay": 10.989,
      "onscreen_delay": 5.025,
      "typing_delay": 5.964,
      "typing_duration": 13.59,
      "wpm": 30,
      "message": "Data อะไรก็ได้ที่เราต้องการ "
    },
    {
      "message_id": 96,
      "agent_id": 16,
      "delay": 9.589,
      "onscreen_delay": 4.994,
      "typing_delay": 4.595,
      "typing_duration": 11.77,
      "wpm": 29,
      "message": "pop ก็คือเอาข้อมูลออกมา "
    },
    {
      "message_id": 97,
      "agent_id": 13,
      "delay": 7.77,
      "onscreen_delay": 3.148,
      "typing_delay": 4.622,
      "typing_duration": 14.974,
      "wpm": 42,
      "message": "ก็จะส่งค่าออกมาว่า แล้วข้อมูลอะไรที่เราดึง"
    },
    {
      "message_id": 98,
      "agent_id": 14,
      "delay": 10.973,
      "onscreen_delay": 6.586,
      "typing_delay": 4.387,
      "typing_duration": 14.957,
      "wpm": 35,
      "message": "ออกจาก Stack นะคะ จะมี Push กับ Pop "
    },
    {
      "message_id": 99,
      "agent_id": 15,
      "delay": 10.955,
      "onscreen_delay": 6.489,
      "typing_delay": 4.466,
      "typing_duration": 14.106,
      "wpm": 16,
      "message": "ถ้าพูดถึง Stack "
    },
    {
      "message_id": 100,
      "agent_id": 16,
      "delay": 10.106,
      "onscreen_delay": 5.34,
      "typing_delay": 4.766,
      "typing_duration": 8.792,
      "wpm": 14,
      "message": "pop นะคะ "
    },
    {
      "message_id": 101,
      "agent_id": 13,
      "delay": 7.25,
      "onscreen_delay": 0,
      "typing_delay": 7.25,
      "typing_duration": 11.098,
      "wpm": 15,
      "message": "คราวนี้มาดู"
    },
    {
      "message_id": 102,
      "agent_id": 14,
      "delay": 7.097,
      "onscreen_delay": 2.775,
      "typing_delay": 4.322,
      "typing_duration": 13.065,
      "wpm": 33,
      "message": "เรื่องคิว ทุกคนรู้จักคิวไหมคะ "
    },
    {
      "message_id": 103,
      "agent_id": 15,
      "delay": 9.063,
      "onscreen_delay": 3.923,
      "typing_delay": 5.14,
      "typing_duration": 13.287,
      "wpm": 19,
      "message": "เคยได้ยินคิวไหมคะ "
    },
    {
      "message_id": 104,
      "agent_id": 16,
      "delay": 9.287,
      "onscreen_delay": 4.504,
      "typing_delay": 4.783,
      "typing_duration": 13.783,
      "wpm": 25,
      "message": "ในชีวิตประจำวัน เวลาทาน"
    },
    {
      "message_id": 105,
      "agent_id": 13,
      "delay": 9.782,
      "onscreen_delay": 5.437,
      "typing_delay": 4.345,
      "typing_duration": 14.756,
      "wpm": 36,
      "message": "ไปซื้อข้าวที่โรงอาหารต้องเข้าคิวไหม "
    },
    {
      "message_id": 106,
      "agent_id": 14,
      "delay": 10.749,
      "onscreen_delay": 6.52,
      "typing_delay": 4.229,
      "typing_duration": 12.979,
      "wpm": 37,
      "message": "ใช่ไหมคะ ก่อนจะขึ้นรถบัสกลับบ้าน "
    },
    {
      "message_id": 107,
      "agent_id": 15,
      "delay": 8.978,
      "onscreen_delay": 3.759,
      "typing_delay": 5.219,
      "typing_duration": 14.503,
      "wpm": 26,
      "message": "ต้องต่อคิวไหม ต่อถูกไหมคะ "
    },
    {
      "message_id": 108,
      "agent_id": 16,
      "delay": 10.502,
      "onscreen_delay": 5.565,
      "typing_delay": 4.937,
      "typing_duration": 10.982,
      "wpm": 40,
      "message": "หรือเราจะซื้อของอะไรก็ตามนะคะ "
    },
    {
      "message_id": 109,
      "agent_id": 13,
      "delay": 6.982,
      "onscreen_delay": 2.147,
      "typing_delay": 4.835,
      "typing_duration": 15.11,
      "wpm": 28,
      "message": "ต้องมีการเข้าคิว ก็คือต่อคิว "
    },
    {
      "message_id": 110,
      "agent_id": 14,
      "delay": 11.109,
      "onscreen_delay": 6.9,
      "typing_delay": 4.209,
      "typing_duration": 11.131,
      "wpm": 30,
      "message": "ไปแบงก์ต้องมีคิวไหม มี "
    },
    {
      "message_id": 111,
      "agent_id": 15,
      "delay": 7.129,
      "onscreen_delay": 3.091,
      "typing_delay": 4.038,
      "typing_duration": 15.524,
      "wpm": 43,
      "message": "เราต้องไปกดขอบัตรคิวนะคะ จะได้ลำดับที่เท่าไร "
    },
    {
      "message_id": 112,
      "agent_id": 16,
      "delay": 11.523,
      "onscreen_delay": 6.753,
      "typing_delay": 4.77,
      "typing_duration": 17.264,
      "wpm": 9,
      "message": "Queue นะคะ "
    },
    {
      "message_id": 113,
      "agent_id": 13,
      "delay": 13.262,
      "onscreen_delay": 8.348,
      "typing_delay": 4.914,
      "typing_duration": 13.028,
      "wpm": 36,
      "message": "คิวในชีวิตประจำวัน เหมือนกันเลย "
    },
    {
      "message_id": 114,
      "agent_id": 14,
      "delay": 9.261,
      "onscreen_delay": 4.886,
      "typing_delay": 4.375,
      "typing_duration": 9.865,
      "wpm": 46,
      "message": "ใครมาก่อน ได้ก่อนหรือได้ทีหลัง"
    },
    {
      "message_id": 115,
      "agent_id": 15,
      "delay": 5.864,
      "onscreen_delay": 1.45,
      "typing_delay": 4.414,
      "typing_duration": 11.4,
      "wpm": 20,
      "message": "ได้ก่อนถูกไหมคะ "
    },
    {
      "message_id": 116,
      "agent_id": 16,
      "delay": 7.4,
      "onscreen_delay": 3.195,
      "typing_delay": 4.205,
      "typing_duration": 11.618,
      "wpm": 43,
      "message": "ก็ต้องได้ก่อน คนมาทีหลังได้ทีหลัง"
    },
    {
      "message_id": 117,
      "agent_id": 13,
      "delay": 7.616,
      "onscreen_delay": 2.504,
      "typing_delay": 5.112,
      "typing_duration": 16.157,
      "wpm": 26,
      "message": "ถูกไหมคะ เพราะฉะนั้น Concept "
    },
    {
      "message_id": 118,
      "agent_id": 14,
      "delay": 12.157,
      "onscreen_delay": 7.522,
      "typing_delay": 4.635,
      "typing_duration": 12.802,
      "wpm": 30,
      "message": "ของคิว ก็คือ มาก่อนได้ก่อน "
    },
    {
      "message_id": 119,
      "agent_id": 15,
      "delay": 8.801,
      "onscreen_delay": 4.38,
      "typing_delay": 4.421,
      "typing_duration": 14.501,
      "wpm": 25,
      "message": "เข้าก่อน เข้าก่อนออกก่อน "
    },
    {
      "message_id": 120,
      "agent_id": 16,
      "delay": 10.5,
      "onscreen_delay": 5.032,
      "typing_delay": 5.468,
      "typing_duration": 11.368,
      "wpm": 32,
      "message": "ถูกไหมคะ เข้าก่อนออกก่อน"
    },
    {
      "message_id": 121,
      "agent_id": 13,
      "delay": 7.368,
      "onscreen_delay": 2.915,
      "typing_delay": 4.453,
      "typing_duration": 16.524,
      "wpm": 41,
      "message": "คิว เข้าก่อนออกกก่อน แต่ถ้าเข้าก่อนออกที่หลัง"
    },
    {
      "message_id": 122,
      "agent_id": 14,
      "delay": 12.523,
      "onscreen_delay": 8.316,
      "typing_delay": 4.207,
      "typing_duration": 12.599,
      "wpm": 31,
      "message": "นั้นคือ Stack ใช่ไหมคะ คือ"
    },
    {
      "message_id": 123,
      "agent_id": 15,
      "delay": 8.593,
      "onscreen_delay": 4.23,
      "typing_delay": 4.363,
      "typing_duration": 17.67,
      "wpm": 24,
      "message": "รูปแบบของโครงสร้างจะมี 2 แบบ "
    },
    {
      "message_id": 124,
      "agent_id": 16,
      "delay": 13.67,
      "onscreen_delay": 8.184,
      "typing_delay": 5.486,
      "typing_duration": 16.148,
      "wpm": 23,
      "message": "เพราะฉะนั้นเมื่อเราบอกว่า "
    },
    {
      "message_id": 125,
      "agent_id": 13,
      "delay": 12.146,
      "onscreen_delay": 7.895,
      "typing_delay": 4.251,
      "typing_duration": 14.752,
      "wpm": 38,
      "message": "คิวคือเข้าก่อนออกก่อนนะคะ มันจะต้องมี"
    },
    {
      "message_id": 126,
      "agent_id": 14,
      "delay": 10.75,
      "onscreen_delay": 6.513,
      "typing_delay": 4.237,
      "typing_duration": 12.442,
      "wpm": 35,
      "message": "ทางเข้ากับทางออกคนละทางใช่ไหม "
    },
    {
      "message_id": 127,
      "agent_id": 15,
      "delay": 8.442,
      "onscreen_delay": 4.263,
      "typing_delay": 4.179,
      "typing_duration": 18.06,
      "wpm": 31,
      "message": "เข้าทางหนึ่ง ออกทางหนึ่ง เข้าข้างหลัง"
    },
    {
      "message_id": 128,
      "agent_id": 16,
      "delay": 14.054,
      "onscreen_delay": 9.646,
      "typing_delay": 4.408,
      "typing_duration": 14.972,
      "wpm": 19,
      "message": "ออกข้างหน้าถูกไหมคะ "
    },
    {
      "message_id": 129,
      "agent_id": 13,
      "delay": 10.972,
      "onscreen_delay": 6.542,
      "typing_delay": 4.43,
      "typing_duration": 15.832,
      "wpm": 33,
      "message": "คิวคือเราคิว ต่อจากข้างหลัง แต่เวลา"
    },
    {
      "message_id": 130,
      "agent_id": 14,
      "delay": 11.82,
      "onscreen_delay": 5.951,
      "typing_delay": 5.869,
      "typing_duration": 10.802,
      "wpm": 19,
      "message": "เอาออกใช่ไหมคะ "
    },
    {
      "message_id": 131,
      "agent_id": 15,
      "delay": 7.82,
      "onscreen_delay": 3.474,
      "typing_delay": 4.346,
      "typing_duration": 19.001,
      "wpm": 17,
      "message": "ก็ต้องออกด้านหน้า Que"
    },
    {
      "message_id": 132,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 10.524,
      "typing_delay": 4.476,
      "typing_duration": 10.759,
      "wpm": 40,
      "message": "ก็คือจะมีอยู่ 2 ทาง ข้อมูลที่"
    },
    {
      "message_id": 133,
      "agent_id": 13,
      "delay": 10.999,
      "onscreen_delay": 6.258,
      "typing_delay": 4.741,
      "typing_duration": 12.853,
      "wpm": 30,
      "message": "นำเข้าไปเก็บก่อน จะถูกนำไป"
    },
    {
      "message_id": 134,
      "agent_id": 14,
      "delay": 8.851,
      "onscreen_delay": 4.544,
      "typing_delay": 4.307,
      "typing_duration": 17.525,
      "wpm": 54,
      "message": "ใช้งานก่อน ข้อมูลที่เข้าไปทีหลังนะคะ ก็จะถูกนำออกมาใช้งานทีหลัง "
    },
    {
      "message_id": 135,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 136,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 10.836,
      "typing_delay": 4.165,
      "typing_duration": 18.937,
      "wpm": 29,
      "message": "ใช้งานทีหลัง อันนี้คือคอนเซ็ปของ คิว"
    },
    {
      "message_id": 137,
      "agent_id": 13,
      "delay": 14.935,
      "onscreen_delay": 10.631,
      "typing_delay": 4.304,
      "typing_duration": 11.991,
      "wpm": 35,
      "message": "ที่เราเข้าใจ รูบแบบโครงสร้าง"
    },
    {
      "message_id": 138,
      "agent_id": 14,
      "delay": 10.934,
      "onscreen_delay": 6.775,
      "typing_delay": 4.159,
      "typing_duration": 12.442,
      "wpm": 43,
      "message": "ของคิวนะคะ เราสามารถจัดเก็บได้แบบไหน "
    },
    {
      "message_id": 139,
      "agent_id": 15,
      "delay": 8.442,
      "onscreen_delay": 3.088,
      "typing_delay": 5.354,
      "typing_duration": 17.925,
      "wpm": 18,
      "message": "เก็บได้เหมือนแบบ Stack "
    },
    {
      "message_id": 140,
      "agent_id": 16,
      "delay": 13.917,
      "onscreen_delay": 9.419,
      "typing_delay": 4.498,
      "typing_duration": 10.101,
      "wpm": 39,
      "message": "จะเก็บโดยการใช้ List ก็ได้ "
    },
    {
      "message_id": 141,
      "agent_id": 13,
      "delay": 9.916,
      "onscreen_delay": 4.843,
      "typing_delay": 5.073,
      "typing_duration": 15.959,
      "wpm": 22,
      "message": "เก็บโดยการใช้ Link List "
    },
    {
      "message_id": 142,
      "agent_id": 14,
      "delay": 11.957,
      "onscreen_delay": 7.543,
      "typing_delay": 4.414,
      "typing_duration": 15.815,
      "wpm": 21,
      "message": "ก็ได้นะคะ รูปแบบแบบนี้ "
    },
    {
      "message_id": 143,
      "agent_id": 15,
      "delay": 11.813,
      "onscreen_delay": 7.646,
      "typing_delay": 4.167,
      "typing_duration": 17.885,
      "wpm": 20,
      "message": "ก็คือ Link List ใช้ไหมคะ "
    },
    {
      "message_id": 144,
      "agent_id": 16,
      "delay": 13.884,
      "onscreen_delay": 9.587,
      "typing_delay": 4.297,
      "typing_duration": 10.06,
      "wpm": 42,
      "message": "รูปแบบด้านซ้ายที่เป็นแนวตั้ง "
    },
    {
      "message_id": 145,
      "agent_id": 13,
      "delay": 9.882,
      "onscreen_delay": 5.54,
      "typing_delay": 4.342,
      "typing_duration": 18.361,
      "wpm": 23,
      "message": "เราเก็บแบบ List เหมือน Stack "
    },
    {
      "message_id": 146,
      "agent_id": 14,
      "delay": 14.361,
      "onscreen_delay": 9.506,
      "typing_delay": 4.855,
      "typing_duration": 16.57,
      "wpm": 24,
      "message": "เพราะฉะนั้นแล้วนะคะ คอนเซ็ป"
    },
    {
      "message_id": 147,
      "agent_id": 15,
      "delay": 12.568,
      "onscreen_delay": 8.461,
      "typing_delay": 4.107,
      "typing_duration": 15.694,
      "wpm": 15,
      "message": "ของ Q หรือ Stack "
    },
    {
      "message_id": 148,
      "agent_id": 16,
      "delay": 11.694,
      "onscreen_delay": 7.312,
      "typing_delay": 4.382,
      "typing_duration": 9.672,
      "wpm": 48,
      "message": "หรือเป็น Link List ได้เหมือนกัน"
    },
    {
      "message_id": 149,
      "agent_id": 13,
      "delay": 7.692,
      "onscreen_delay": 2.964,
      "typing_delay": 4.728,
      "typing_duration": 13.499,
      "wpm": 29,
      "message": "นะคะ ตอน Stack เราใช้ List "
    },
    {
      "message_id": 150,
      "agent_id": 14,
      "delay": 9.499,
      "onscreen_delay": 5.291,
      "typing_delay": 4.208,
      "typing_duration": 12.514,
      "wpm": 41,
      "message": "แล้วนะคะ พอมาคิวเดี๋ยวเราจะลองเก็บ"
    },
    {
      "message_id": 151,
      "agent_id": 15,
      "delay": 8.514,
      "onscreen_delay": 4.254,
      "typing_delay": 4.26,
      "typing_duration": 9.53,
      "wpm": 25,
      "message": "ข้อมูลแบบนี้นะคะ "
    },
    {
      "message_id": 152,
      "agent_id": 16,
      "delay": 5.529,
      "onscreen_delay": 1.271,
      "typing_delay": 4.258,
      "typing_duration": 11.816,
      "wpm": 53,
      "message": "เราจะเก็บข้อมูลที่เป็นแบบ Link List แบบนี้ "
    },
    {
      "message_id": 153,
      "agent_id": 13,
      "delay": 7.815,
      "onscreen_delay": 0.775,
      "typing_delay": 7.04,
      "typing_duration": 13.362,
      "wpm": 11,
      "message": "ตัวนี้นะคะ "
    },
    {
      "message_id": 154,
      "agent_id": 14,
      "delay": 9.361,
      "onscreen_delay": 3.785,
      "typing_delay": 5.576,
      "typing_duration": 15.796,
      "wpm": 29,
      "message": "Link List เหมือนกับรถไฟใช่ไหมคะ "
    },
    {
      "message_id": 155,
      "agent_id": 15,
      "delay": 11.787,
      "onscreen_delay": 6.61,
      "typing_delay": 5.177,
      "typing_duration": 18.229,
      "wpm": 7,
      "message": "Link List "
    },
    {
      "message_id": 156,
      "agent_id": 16,
      "delay": 14.227,
      "onscreen_delay": 9.447,
      "typing_delay": 4.78,
      "typing_duration": 12.981,
      "wpm": 29,
      "message": "รถไฟจะเป็นโบกี้ Link List "
    },
    {
      "message_id": 157,
      "agent_id": 13,
      "delay": 10.226,
      "onscreen_delay": 5.366,
      "typing_delay": 4.86,
      "typing_duration": 17.776,
      "wpm": 28,
      "message": "ก็เหมือนกัน จะเก็บข้อมูลเป็น Node "
    },
    {
      "message_id": 158,
      "agent_id": 14,
      "delay": 13.776,
      "onscreen_delay": 9.56,
      "typing_delay": 4.216,
      "typing_duration": 13.16,
      "wpm": 24,
      "message": "แล้วแต่ละโหนดก็เชื่อม"
    },
    {
      "message_id": 159,
      "agent_id": 15,
      "delay": 9.775,
      "onscreen_delay": 5.623,
      "typing_delay": 4.152,
      "typing_duration": 17.374,
      "wpm": 19,
      "message": "ด้วยกันนะคะ แต่ละ None "
    },
    {
      "message_id": 160,
      "agent_id": 16,
      "delay": 13.371,
      "onscreen_delay": 8.426,
      "typing_delay": 4.945,
      "typing_duration": 9.865,
      "wpm": 43,
      "message": "ที่เราต้องการเหมือนกับในรถไฟ "
    },
    {
      "message_id": 161,
      "agent_id": 13,
      "delay": 9.369,
      "onscreen_delay": 4.701,
      "typing_delay": 4.668,
      "typing_duration": 14.519,
      "wpm": 30,
      "message": "1 โบกี้ ก็จะมีคนนั่ง ใช่ไหมคะ "
    },
    {
      "message_id": 162,
      "agent_id": 14,
      "delay": 10.518,
      "onscreen_delay": 6.345,
      "typing_delay": 4.173,
      "typing_duration": 11.619,
      "wpm": 26,
      "message": "คนก็คือข้อมูลนั่นล่ะ "
    },
    {
      "message_id": 163,
      "agent_id": 15,
      "delay": 7.617,
      "onscreen_delay": 2.557,
      "typing_delay": 5.06,
      "typing_duration": 19.001,
      "wpm": 13,
      "message": "ต้น List คืออะไร "
    },
    {
      "message_id": 164,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 10.5,
      "typing_delay": 4.501,
      "typing_duration": 13.906,
      "wpm": 46,
      "message": "คืออะไรนะคะ รถไฟอะไรคือด้านหน้าหรือด้านหลัง "
    },
    {
      "message_id": 165,
      "agent_id": 13,
      "delay": 10.999,
      "onscreen_delay": 5.963,
      "typing_delay": 5.036,
      "typing_duration": 17.343,
      "wpm": 22,
      "message": "มีอะไรเอ่ย ทำให้เราสังเกต "
    },
    {
      "message_id": 166,
      "agent_id": 14,
      "delay": 13.329,
      "onscreen_delay": 9.171,
      "typing_delay": 4.158,
      "typing_duration": 14.716,
      "wpm": 39,
      "message": "มีหัวจักรถูกไหม หัวจักรจะเป็นตัวบอกว่า"
    },
    {
      "message_id": 167,
      "agent_id": 15,
      "delay": 10.716,
      "onscreen_delay": 6.02,
      "typing_delay": 4.696,
      "typing_duration": 12.495,
      "wpm": 25,
      "message": "นี่คือด้านหน้าของรถไฟ "
    },
    {
      "message_id": 168,
      "agent_id": 16,
      "delay": 8.494,
      "onscreen_delay": 3.425,
      "typing_delay": 5.069,
      "typing_duration": 11.134,
      "wpm": 40,
      "message": "ใน Link List ตัวนี้ก็เหมือนกัน "
    },
    {
      "message_id": 169,
      "agent_id": 13,
      "delay": 7.134,
      "onscreen_delay": 1.685,
      "typing_delay": 5.449,
      "typing_duration": 17.618,
      "wpm": 25,
      "message": "ด้านหน้าของ Link List คืออะไร "
    },
    {
      "message_id": 170,
      "agent_id": 14,
      "delay": 13.617,
      "onscreen_delay": 9.365,
      "typing_delay": 4.252,
      "typing_duration": 11.981,
      "wpm": 26,
      "message": "มีอะไรชี้อยู่ มีลูกศร "
    },
    {
      "message_id": 171,
      "agent_id": 15,
      "delay": 9.615,
      "onscreen_delay": 5.529,
      "typing_delay": 4.086,
      "typing_duration": 18.21,
      "wpm": 26,
      "message": "มีตัวชี้ที่ชื่อว่า Head ใช่ไหมคะ "
    },
    {
      "message_id": 172,
      "agent_id": 16,
      "delay": 14.2,
      "onscreen_delay": 9.664,
      "typing_delay": 4.536,
      "typing_duration": 10.917,
      "wpm": 30,
      "message": "มีลูกศรที่ชื่อว่า Head "
    },
    {
      "message_id": 173,
      "agent_id": 13,
      "delay": 10.199,
      "onscreen_delay": 5.72,
      "typing_delay": 4.479,
      "typing_duration": 8.493,
      "wpm": 12,
      "message": "ชี้อยู่ "
    },
    {
      "message_id": 174,
      "agent_id": 14,
      "delay": 7.899,
      "onscreen_delay": 0,
      "typing_delay": 7.899,
      "typing_duration": 9.954,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 175,
      "agent_id": 15,
      "delay": 5.952,
      "onscreen_delay": 1.634,
      "typing_delay": 4.318,
      "typing_duration": 17.429,
      "wpm": 28,
      "message": "คือตัวนี้นะคะ เพราะฉะนั้น A B C D "
    },
    {
      "message_id": 176,
      "agent_id": 16,
      "delay": 13.427,
      "onscreen_delay": 7.224,
      "typing_delay": 6.203,
      "typing_duration": 15.249,
      "wpm": 26,
      "message": "โหนดแรกของ LinkList ตัวนี้"
    },
    {
      "message_id": 177,
      "agent_id": 13,
      "delay": 11.248,
      "onscreen_delay": 5.115,
      "typing_delay": 6.133,
      "typing_duration": 11.289,
      "wpm": 19,
      "message": "คือ A ใช่ไหมคะ "
    },
    {
      "message_id": 178,
      "agent_id": 14,
      "delay": 7.288,
      "onscreen_delay": 3.178,
      "typing_delay": 4.11,
      "typing_duration": 13.288,
      "wpm": 36,
      "message": "แล้วโหนดสุดท้ายคืออะไรเอ่ย D Dog "
    },
    {
      "message_id": 179,
      "agent_id": 15,
      "delay": 9.287,
      "onscreen_delay": 5.092,
      "typing_delay": 4.195,
      "typing_duration": 16.385,
      "wpm": 19,
      "message": "ใช่ไหมคะ None สุดท้าย "
    },
    {
      "message_id": 180,
      "agent_id": 16,
      "delay": 12.377,
      "onscreen_delay": 6.408,
      "typing_delay": 5.969,
      "typing_duration": 14.672,
      "wpm": 8,
      "message": "ใน Queue "
    },
    {
      "message_id": 181,
      "agent_id": 13,
      "delay": 10.671,
      "onscreen_delay": 5.99,
      "typing_delay": 4.681,
      "typing_duration": 16.978,
      "wpm": 34,
      "message": "เราจะรู้ได้อย่างไรว่าเป็น Node สุดท้าย "
    },
    {
      "message_id": 182,
      "agent_id": 14,
      "delay": 12.977,
      "onscreen_delay": 8.525,
      "typing_delay": 4.452,
      "typing_duration": 16.255,
      "wpm": 21,
      "message": "มีตัวชี้ที่ชื่อว่า Tail "
    },
    {
      "message_id": 183,
      "agent_id": 15,
      "delay": 12.239,
      "onscreen_delay": 6.845,
      "typing_delay": 5.394,
      "typing_duration": 14.046,
      "wpm": 4,
      "message": "Tail "
    },
    {
      "message_id": 184,
      "agent_id": 16,
      "delay": 10.045,
      "onscreen_delay": 5.378,
      "typing_delay": 4.667,
      "typing_duration": 12.378,
      "wpm": 33,
      "message": "ตัวนี้จะเป็นตัวชี้ที่บอกว่า "
    },
    {
      "message_id": 185,
      "agent_id": 13,
      "delay": 8.377,
      "onscreen_delay": 3.082,
      "typing_delay": 5.295,
      "typing_duration": 15.716,
      "wpm": 24,
      "message": "Node นี้ คือ Node สุดท้าย"
    },
    {
      "message_id": 186,
      "agent_id": 14,
      "delay": 11.715,
      "onscreen_delay": 7.465,
      "typing_delay": 4.25,
      "typing_duration": 11.52,
      "wpm": 30,
      "message": "ของ LinkList ตัวนี้นะคะ "
    },
    {
      "message_id": 187,
      "agent_id": 15,
      "delay": 7.705,
      "onscreen_delay": 1.42,
      "typing_delay": 6.285,
      "typing_duration": 18.664,
      "wpm": 15,
      "message": "Head ชี้ที่ต้น List "
    },
    {
      "message_id": 188,
      "agent_id": 16,
      "delay": 14.663,
      "onscreen_delay": 9.186,
      "typing_delay": 5.477,
      "typing_duration": 16.518,
      "wpm": 17,
      "message": "เทล ชี้ที่ท้าย list "
    },
    {
      "message_id": 189,
      "agent_id": 13,
      "delay": 12.518,
      "onscreen_delay": 7.4,
      "typing_delay": 5.118,
      "typing_duration": 14.073,
      "wpm": 28,
      "message": "ทบทวนอีกแบบหนึ่ง ใน 1 Node "
    },
    {
      "message_id": 190,
      "agent_id": 14,
      "delay": 10.071,
      "onscreen_delay": 5.427,
      "typing_delay": 4.644,
      "typing_duration": 13.805,
      "wpm": 17,
      "message": "นะคะ ตัวนี้เราจะ"
    },
    {
      "message_id": 191,
      "agent_id": 15,
      "delay": 9.805,
      "onscreen_delay": 5.397,
      "typing_delay": 4.408,
      "typing_duration": 16.931,
      "wpm": 30,
      "message": "มีชื่อเรียกว่าอะไรคะ None ใช่ไหมคะ "
    },
    {
      "message_id": 192,
      "agent_id": 16,
      "delay": 12.926,
      "onscreen_delay": 7.746,
      "typing_delay": 5.18,
      "typing_duration": 14.659,
      "wpm": 21,
      "message": "1 รูป 1 บ็อกตัวนี้คือ "
    },
    {
      "message_id": 193,
      "agent_id": 13,
      "delay": 10.659,
      "onscreen_delay": 5.054,
      "typing_delay": 5.605,
      "typing_duration": 12.935,
      "wpm": 29,
      "message": "1 Node แบ่งออกเป็นกี่ช่อง "
    },
    {
      "message_id": 194,
      "agent_id": 14,
      "delay": 8.935,
      "onscreen_delay": 4.139,
      "typing_delay": 4.796,
      "typing_duration": 12.082,
      "wpm": 36,
      "message": "2 ช่อง ใช่ไหมคะ ช่องแรกเอาไว้"
    },
    {
      "message_id": 195,
      "agent_id": 15,
      "delay": 8.075,
      "onscreen_delay": 3.007,
      "typing_delay": 5.068,
      "typing_duration": 15.648,
      "wpm": 25,
      "message": "ทำอะไร ช่องนี้เอาไว้ทำอะไร "
    },
    {
      "message_id": 196,
      "agent_id": 16,
      "delay": 11.646,
      "onscreen_delay": 6.375,
      "typing_delay": 5.271,
      "typing_duration": 8.77,
      "wpm": 44,
      "message": "ช่องด้านซ้ายเอาไว้เก็บอะไร "
    },
    {
      "message_id": 197,
      "agent_id": 13,
      "delay": 7.646,
      "onscreen_delay": 2.169,
      "typing_delay": 5.477,
      "typing_duration": 11.099,
      "wpm": 26,
      "message": "เก็บข้อมูล ถูกไหมคะ "
    },
    {
      "message_id": 198,
      "agent_id": 14,
      "delay": 7.084,
      "onscreen_delay": 2.612,
      "typing_delay": 4.472,
      "typing_duration": 12.272,
      "wpm": 31,
      "message": "ช่องด้านซ้ายเราไว้ใช้เก็บ"
    },
    {
      "message_id": 199,
      "agent_id": 15,
      "delay": 8.271,
      "onscreen_delay": 3.787,
      "typing_delay": 4.484,
      "typing_duration": 8.391,
      "wpm": 11,
      "message": "ข้อมูล "
    },
    {
      "message_id": 200,
      "agent_id": 16,
      "delay": 5.997,
      "onscreen_delay": 0,
      "typing_delay": 5.997,
      "typing_duration": 11.815,
      "wpm": 32,
      "message": "ใช่ไหมคะ เราใช้เก็บข้อมูล "
    },
    {
      "message_id": 201,
      "agent_id": 13,
      "delay": 7.814,
      "onscreen_delay": 2.86,
      "typing_delay": 4.954,
      "typing_duration": 11.661,
      "wpm": 30,
      "message": "แล้วช่องทางขวาไว้ทำอะไร "
    },
    {
      "message_id": 202,
      "agent_id": 14,
      "delay": 7.657,
      "onscreen_delay": 2.18,
      "typing_delay": 5.477,
      "typing_duration": 16.198,
      "wpm": 18,
      "message": "ช่องทางขวาไว้อะไรคะ "
    },
    {
      "message_id": 203,
      "agent_id": 15,
      "delay": 12.197,
      "onscreen_delay": 8.077,
      "typing_delay": 4.12,
      "typing_duration": 16.886,
      "wpm": 16,
      "message": "ใน None แต่ละ None "
    },
    {
      "message_id": 204,
      "agent_id": 16,
      "delay": 12.884,
      "onscreen_delay": 8.606,
      "typing_delay": 4.278,
      "typing_duration": 11.017,
      "wpm": 46,
      "message": "เหมือนรถไฟถูกไหมคะ เหมือนรถไฟ เวลา"
    },
    {
      "message_id": 205,
      "agent_id": 13,
      "delay": 8.883,
      "onscreen_delay": 4.493,
      "typing_delay": 4.39,
      "typing_duration": 16.057,
      "wpm": 35,
      "message": "เราจะเชื่อมแต่ละ Node ต้องเชื่อมกันไหม "
    },
    {
      "message_id": 206,
      "agent_id": 14,
      "delay": 12.051,
      "onscreen_delay": 7.896,
      "typing_delay": 4.155,
      "typing_duration": 17.006,
      "wpm": 41,
      "message": "แต่ละโบกี้ต้องเชื่อมไหม เชื่อม เพราะจะเป็นรถไฟ"
    },
    {
      "message_id": 207,
      "agent_id": 15,
      "delay": 13.005,
      "onscreen_delay": 8.837,
      "typing_delay": 4.168,
      "typing_duration": 17.043,
      "wpm": 40,
      "message": "ได้อย่างไรใช่ไหมคะ มันก็ต้องเชื่อมกันใช่ไหมคะ "
    },
    {
      "message_id": 208,
      "agent_id": 16,
      "delay": 13.042,
      "onscreen_delay": 7.584,
      "typing_delay": 5.458,
      "typing_duration": 11.712,
      "wpm": 28,
      "message": "ช่องด้านขวา จะเป็นช่อง"
    },
    {
      "message_id": 209,
      "agent_id": 13,
      "delay": 9.032,
      "onscreen_delay": 4.78,
      "typing_delay": 4.252,
      "typing_duration": 15.382,
      "wpm": 31,
      "message": "ที่เอาไว้ใช้เชื่อม Node ถูกไหมคะ "
    },
    {
      "message_id": 210,
      "agent_id": 14,
      "delay": 11.381,
      "onscreen_delay": 1.494,
      "typing_delay": 9.887,
      "typing_duration": 9.887,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 211,
      "agent_id": 15,
      "delay": 7.38,
      "onscreen_delay": 2.572,
      "typing_delay": 4.808,
      "typing_duration": 13.417,
      "wpm": 27,
      "message": "ช่องตรงนี้ที่อยู่ด้านขวา"
    },
    {
      "message_id": 212,
      "agent_id": 16,
      "delay": 9.416,
      "onscreen_delay": 4.942,
      "typing_delay": 4.474,
      "typing_duration": 17.069,
      "wpm": 29,
      "message": "จะเอาไว้ใช้เชื่อมไปยัง Node ถัดไป"
    },
    {
      "message_id": 213,
      "agent_id": 13,
      "delay": 13.069,
      "onscreen_delay": 6.13,
      "typing_delay": 6.939,
      "typing_duration": 11.972,
      "wpm": 18,
      "message": "มีชื่อเรียกไหม "
    },
    {
      "message_id": 214,
      "agent_id": 14,
      "delay": 9.068,
      "onscreen_delay": 4.334,
      "typing_delay": 4.734,
      "typing_duration": 14.079,
      "wpm": 45,
      "message": "ช่องที่เก็บข้อมูล เราจะเรียนช่องนี้ว่าอะไร "
    },
    {
      "message_id": 215,
      "agent_id": 15,
      "delay": 10.079,
      "onscreen_delay": 4.584,
      "typing_delay": 5.495,
      "typing_duration": 16.484,
      "wpm": 20,
      "message": "จำได้ไหม Data ใช่ไหมคะ "
    },
    {
      "message_id": 216,
      "agent_id": 16,
      "delay": 12.482,
      "onscreen_delay": 7.766,
      "typing_delay": 4.716,
      "typing_duration": 13.174,
      "wpm": 30,
      "message": "จำได้ไหม ช่องที่เก็บข้อมูล"
    },
    {
      "message_id": 217,
      "agent_id": 13,
      "delay": 9.171,
      "onscreen_delay": 4.384,
      "typing_delay": 4.787,
      "typing_duration": 15.382,
      "wpm": 29,
      "message": "จะมีชื่อเรียกว่า Beta แล้วช่อง"
    },
    {
      "message_id": 218,
      "agent_id": 14,
      "delay": 11.38,
      "onscreen_delay": 7.205,
      "typing_delay": 4.175,
      "typing_duration": 14.612,
      "wpm": 36,
      "message": "ที่ใช้เชื่อมไปยังโหนดอื่น มีชื่อว่า "
    },
    {
      "message_id": 219,
      "agent_id": 15,
      "delay": 10.611,
      "onscreen_delay": 6.053,
      "typing_delay": 4.558,
      "typing_duration": 16.304,
      "wpm": 14,
      "message": "ชื่อว่าอะไรเอ่ย "
    },
    {
      "message_id": 220,
      "agent_id": 16,
      "delay": 12.293,
      "onscreen_delay": 7.362,
      "typing_delay": 4.931,
      "typing_duration": 12.366,
      "wpm": 25,
      "message": "ชื่อว่า Next ถูกไหมคะ "
    },
    {
      "message_id": 221,
      "agent_id": 13,
      "delay": 8.365,
      "onscreen_delay": 1.339,
      "typing_delay": 7.026,
      "typing_duration": 15.51,
      "wpm": 20,
      "message": "1 Node จะประกอบไปด้วย"
    },
    {
      "message_id": 222,
      "agent_id": 14,
      "delay": 11.508,
      "onscreen_delay": 7.286,
      "typing_delay": 4.222,
      "typing_duration": 17.748,
      "wpm": 31,
      "message": "2 ส่วน ส่วนที่เก็บข้อมูลเรียกว่า Deta "
    },
    {
      "message_id": 223,
      "agent_id": 15,
      "delay": 13.747,
      "onscreen_delay": 8.598,
      "typing_delay": 5.149,
      "typing_duration": 16.654,
      "wpm": 28,
      "message": "และส่วนที่ใช้เก็บตัวเชื่อมที่จะ"
    },
    {
      "message_id": 224,
      "agent_id": 16,
      "delay": 12.649,
      "onscreen_delay": 8.167,
      "typing_delay": 4.482,
      "typing_duration": 17.228,
      "wpm": 30,
      "message": "เชื่อม ที่ยังเชื่อมไปยัง node ถัดไป "
    },
    {
      "message_id": 225,
      "agent_id": 13,
      "delay": 13.228,
      "onscreen_delay": 8.094,
      "typing_delay": 5.134,
      "typing_duration": 15.49,
      "wpm": 14,
      "message": "มีชื่อว่า Next "
    },
    {
      "message_id": 226,
      "agent_id": 14,
      "delay": 11.489,
      "onscreen_delay": 4.046,
      "typing_delay": 7.443,
      "typing_duration": 13.44,
      "wpm": 8,
      "message": "คุ้นไหม "
    },
    {
      "message_id": 227,
      "agent_id": 15,
      "delay": 9.437,
      "onscreen_delay": 4.345,
      "typing_delay": 5.092,
      "typing_duration": 18.038,
      "wpm": 22,
      "message": "เริ่มคุ้นไหม มีชื่อว่า Next "
    },
    {
      "message_id": 228,
      "agent_id": 16,
      "delay": 14.038,
      "onscreen_delay": 8.293,
      "typing_delay": 5.745,
      "typing_duration": 11.862,
      "wpm": 29,
      "message": "จะมี data กับ next นะคะ "
    },
    {
      "message_id": 229,
      "agent_id": 13,
      "delay": 10.025,
      "onscreen_delay": 3.238,
      "typing_delay": 6.787,
      "typing_duration": 10.095,
      "wpm": 18,
      "message": "นะคะ คราวนี้ "
    },
    {
      "message_id": 230,
      "agent_id": 14,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 231,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 232,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 6.631,
      "typing_delay": 8.369,
      "typing_duration": 8.369,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 233,
      "agent_id": 13,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 234,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 235,
      "agent_id": 15,
      "delay": 15.001,
      "onscreen_delay": 0.859,
      "typing_delay": 14.142,
      "typing_duration": 14.142,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 236,
      "agent_id": 16,
      "delay": 11.001,
      "onscreen_delay": 2.662,
      "typing_delay": 8.339,
      "typing_duration": 8.339,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 237,
      "agent_id": 13,
      "delay": 9.319,
      "onscreen_delay": 0,
      "typing_delay": 9.319,
      "typing_duration": 9.319,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 238,
      "agent_id": 14,
      "delay": 14.568,
      "onscreen_delay": 0,
      "typing_delay": 14.568,
      "typing_duration": 14.568,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 239,
      "agent_id": 15,
      "delay": 12.574,
      "onscreen_delay": 0,
      "typing_delay": 12.574,
      "typing_duration": 12.574,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 240,
      "agent_id": 16,
      "delay": 8.571,
      "onscreen_delay": 1.569,
      "typing_delay": 7.002,
      "typing_duration": 10.472,
      "wpm": 23,
      "message": "คราวนี้สมมุติว่า"
    },
    {
      "message_id": 241,
      "agent_id": 13,
      "delay": 6.472,
      "onscreen_delay": 2.11,
      "typing_delay": 4.362,
      "typing_duration": 15.596,
      "wpm": 31,
      "message": "ครูมี Queue นะคะ ตัวนี้คือ Queue "
    },
    {
      "message_id": 242,
      "agent_id": 14,
      "delay": 11.595,
      "onscreen_delay": 4.642,
      "typing_delay": 6.953,
      "typing_duration": 13.195,
      "wpm": 18,
      "message": "ครูมี Queue นะคะ "
    },
    {
      "message_id": 243,
      "agent_id": 15,
      "delay": 9.192,
      "onscreen_delay": 4.442,
      "typing_delay": 4.75,
      "typing_duration": 17.188,
      "wpm": 9,
      "message": "มีกี่ Node "
    },
    {
      "message_id": 244,
      "agent_id": 16,
      "delay": 13.188,
      "onscreen_delay": 6.898,
      "typing_delay": 6.29,
      "typing_duration": 13.717,
      "wpm": 23,
      "message": "Node ข้อมูลคืออะไร 10 "
    },
    {
      "message_id": 245,
      "agent_id": 13,
      "delay": 9.716,
      "onscreen_delay": 4.43,
      "typing_delay": 5.286,
      "typing_duration": 14.631,
      "wpm": 33,
      "message": "Node สุดท้ายคือ 30 รู้ได้อย่างไร "
    },
    {
      "message_id": 246,
      "agent_id": 14,
      "delay": 10.63,
      "onscreen_delay": 6.521,
      "typing_delay": 4.109,
      "typing_duration": 11.455,
      "wpm": 31,
      "message": "เพราะว่ามี Head กับ Tail "
    },
    {
      "message_id": 247,
      "agent_id": 15,
      "delay": 7.453,
      "onscreen_delay": 3.107,
      "typing_delay": 4.346,
      "typing_duration": 11.664,
      "wpm": 24,
      "message": "เป็นตัวบอก ถูกไหมคะ "
    },
    {
      "message_id": 248,
      "agent_id": 16,
      "delay": 7.663,
      "onscreen_delay": 3.371,
      "typing_delay": 4.292,
      "typing_duration": 9.069,
      "wpm": 30,
      "message": "อันนี้คือ Node แรก"
    },
    {
      "message_id": 249,
      "agent_id": 13,
      "delay": 5.165,
      "onscreen_delay": 0,
      "typing_delay": 5.165,
      "typing_duration": 15.085,
      "wpm": 26,
      "message": "อันนี้คือ Node สุดท้ายนะคะ "
    },
    {
      "message_id": 250,
      "agent_id": 14,
      "delay": 11.085,
      "onscreen_delay": 4.561,
      "typing_delay": 6.524,
      "typing_duration": 14.423,
      "wpm": 18,
      "message": "แล้วรู้ว่าโหนดแรก "
    },
    {
      "message_id": 251,
      "agent_id": 15,
      "delay": 10.422,
      "onscreen_delay": 6.072,
      "typing_delay": 4.35,
      "typing_duration": 17.757,
      "wpm": 31,
      "message": "รู้ได้อย่างไร ก็มี Head ชี้อยู่ตรงนี้ "
    },
    {
      "message_id": 252,
      "agent_id": 16,
      "delay": 13.757,
      "onscreen_delay": 8.913,
      "typing_delay": 4.844,
      "typing_duration": 16.595,
      "wpm": 43,
      "message": "รู้ได้อย่างไรคือ Node  สุดท้าย ก็มี Teal ชี้อยู่"
    },
    {
      "message_id": 253,
      "agent_id": 13,
      "delay": 12.594,
      "onscreen_delay": 8.155,
      "typing_delay": 4.439,
      "typing_duration": 9.711,
      "wpm": 26,
      "message": "นะคะ เราเลยรู้ว่า "
    },
    {
      "message_id": 254,
      "agent_id": 14,
      "delay": 8.592,
      "onscreen_delay": 0.308,
      "typing_delay": 8.284,
      "typing_duration": 10.157,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 255,
      "agent_id": 15,
      "delay": 6.156,
      "onscreen_delay": 1.943,
      "typing_delay": 4.213,
      "typing_duration": 8.412,
      "wpm": 11,
      "message": "ได้ไหม "
    },
    {
      "message_id": 256,
      "agent_id": 16,
      "delay": 8.444,
      "onscreen_delay": 0,
      "typing_delay": 8.444,
      "typing_duration": 8.444,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 257,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 258,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 259,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 260,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 6.459,
      "typing_delay": 8.542,
      "typing_duration": 8.542,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 261,
      "agent_id": 13,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 262,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 263,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 264,
      "agent_id": 16,
      "delay": 14.999,
      "onscreen_delay": 6.694,
      "typing_delay": 8.305,
      "typing_duration": 8.305,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 265,
      "agent_id": 13,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 266,
      "agent_id": 14,
      "delay": 14.998,
      "onscreen_delay": 6.492,
      "typing_delay": 8.506,
      "typing_duration": 8.506,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 267,
      "agent_id": 15,
      "delay": 11.073,
      "onscreen_delay": 0,
      "typing_delay": 11.073,
      "typing_duration": 11.073,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 268,
      "agent_id": 16,
      "delay": 7.071,
      "onscreen_delay": 0.591,
      "typing_delay": 6.48,
      "typing_duration": 11.297,
      "wpm": 25,
      "message": "คราวนี้นะคะ มาดูว่า "
    },
    {
      "message_id": 269,
      "agent_id": 13,
      "delay": 7.296,
      "onscreen_delay": 1.526,
      "typing_delay": 5.77,
      "typing_duration": 17.839,
      "wpm": 17,
      "message": "Link List ตัวนี้นะคะ "
    },
    {
      "message_id": 270,
      "agent_id": 14,
      "delay": 13.837,
      "onscreen_delay": 6.02,
      "typing_delay": 7.817,
      "typing_duration": 9.518,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 271,
      "agent_id": 15,
      "delay": 9.836,
      "onscreen_delay": 5.326,
      "typing_delay": 4.51,
      "typing_duration": 19,
      "wpm": 21,
      "message": "มี Head ชี้ที่ Node แรก มี "
    },
    {
      "message_id": 272,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 9.402,
      "typing_delay": 5.598,
      "typing_duration": 10.852,
      "wpm": 21,
      "message": "นะคะ แต่ละ Node "
    },
    {
      "message_id": 273,
      "agent_id": 13,
      "delay": 10.998,
      "onscreen_delay": 6.59,
      "typing_delay": 4.408,
      "typing_duration": 18.498,
      "wpm": 14,
      "message": "มีการเชื่อมโยงกัน "
    },
    {
      "message_id": 274,
      "agent_id": 14,
      "delay": 14.498,
      "onscreen_delay": 10.354,
      "typing_delay": 4.144,
      "typing_duration": 12.475,
      "wpm": 46,
      "message": "เส้นเชื่อมนะคะ เส้นเชื่อมระหว่าง 20-30 "
    },
    {
      "message_id": 275,
      "agent_id": 15,
      "delay": 10.476,
      "onscreen_delay": 3.823,
      "typing_delay": 6.653,
      "typing_duration": 9.122,
      "wpm": 13,
      "message": "ถ้าเราจำ"
    },
    {
      "message_id": 276,
      "agent_id": 16,
      "delay": 6.474,
      "onscreen_delay": 2.176,
      "typing_delay": 4.298,
      "typing_duration": 10.474,
      "wpm": 34,
      "message": "การทำงานของ Linklist ได้ "
    },
    {
      "message_id": 277,
      "agent_id": 13,
      "delay": 6.471,
      "onscreen_delay": 1.701,
      "typing_delay": 4.77,
      "typing_duration": 18.523,
      "wpm": 28,
      "message": "ส่วนที่เก็บข้อมูล จะมีชื่อว่า Data "
    },
    {
      "message_id": 278,
      "agent_id": 14,
      "delay": 14.523,
      "onscreen_delay": 9.874,
      "typing_delay": 4.649,
      "typing_duration": 15.705,
      "wpm": 9,
      "message": "นะคะ ส่วน"
    },
    {
      "message_id": 279,
      "agent_id": 15,
      "delay": 11.703,
      "onscreen_delay": 6.441,
      "typing_delay": 5.262,
      "typing_duration": 18.402,
      "wpm": 23,
      "message": "ที่ใช้เชื่อมจะมีชื่อว่า Next "
    },
    {
      "message_id": 280,
      "agent_id": 16,
      "delay": 14.402,
      "onscreen_delay": 5.821,
      "typing_delay": 8.581,
      "typing_duration": 11.931,
      "wpm": 18,
      "message": "Next นะคะ Next "
    },
    {
      "message_id": 281,
      "agent_id": 13,
      "delay": 10.401,
      "onscreen_delay": 5.646,
      "typing_delay": 4.755,
      "typing_duration": 12.668,
      "wpm": 30,
      "message": "เป็นตัวบอกว่า ชี้ไปที่ไหน "
    },
    {
      "message_id": 282,
      "agent_id": 14,
      "delay": 8.667,
      "onscreen_delay": 4.255,
      "typing_delay": 4.412,
      "typing_duration": 13.189,
      "wpm": 34,
      "message": "Data จะบอกว่าโหนดนี้เก็บข้อมูล"
    },
    {
      "message_id": 283,
      "agent_id": 15,
      "delay": 9.181,
      "onscreen_delay": 4.724,
      "typing_delay": 4.457,
      "typing_duration": 10.001,
      "wpm": 12,
      "message": "อะไรนะคะ "
    },
    {
      "message_id": 284,
      "agent_id": 16,
      "delay": 6,
      "onscreen_delay": 1.112,
      "typing_delay": 4.888,
      "typing_duration": 12.922,
      "wpm": 22,
      "message": "ครูถามว่า Head.data"
    },
    {
      "message_id": 285,
      "agent_id": 13,
      "delay": 8.921,
      "onscreen_delay": 3.882,
      "typing_delay": 5.039,
      "typing_duration": 9.925,
      "wpm": 30,
      "message": "จะมีค่าเท่ากับเท่าไร "
    },
    {
      "message_id": 286,
      "agent_id": 14,
      "delay": 5.924,
      "onscreen_delay": 1.24,
      "typing_delay": 4.684,
      "typing_duration": 15.38,
      "wpm": 29,
      "message": "Head คือตัวไหน คือตัวนี้ .data "
    },
    {
      "message_id": 287,
      "agent_id": 15,
      "delay": 11.379,
      "onscreen_delay": 6.966,
      "typing_delay": 4.413,
      "typing_duration": 10.017,
      "wpm": 28,
      "message": "ก็คือข้อมูลใช่ไหมคะ "
    },
    {
      "message_id": 288,
      "agent_id": 16,
      "delay": 7.378,
      "onscreen_delay": 3.13,
      "typing_delay": 4.248,
      "typing_duration": 14.584,
      "wpm": 34,
      "message": "เพราะฉะนั้น Node นี้เก็บค่าเท่าไร "
    },
    {
      "message_id": 289,
      "agent_id": 13,
      "delay": 10.583,
      "onscreen_delay": 5.893,
      "typing_delay": 4.69,
      "typing_duration": 19.003,
      "wpm": 24,
      "message": "ถูกไหมคะ เพราะฉะนั้น Head.Data  "
    },
    {
      "message_id": 290,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 10.778,
      "typing_delay": 4.223,
      "typing_duration": 13.973,
      "wpm": 31,
      "message": "มีค่าเท่ากับ 10 มีใครสงสัยไหม"
    },
    {
      "message_id": 291,
      "agent_id": 15,
      "delay": 11.001,
      "onscreen_delay": 5.978,
      "typing_delay": 5.023,
      "typing_duration": 11.512,
      "wpm": 20,
      "message": "ว่า 10 มาจากไหน "
    },
    {
      "message_id": 292,
      "agent_id": 16,
      "delay": 8.361,
      "onscreen_delay": 0,
      "typing_delay": 8.361,
      "typing_duration": 10.628,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 293,
      "agent_id": 13,
      "delay": 6.627,
      "onscreen_delay": 2.023,
      "typing_delay": 4.604,
      "typing_duration": 13.823,
      "wpm": 36,
      "message": "ได้ใช่ไหมคะ ถ้าอย่างนั้นครูถามต่อ "
    },
    {
      "message_id": 294,
      "agent_id": 14,
      "delay": 9.821,
      "onscreen_delay": 5.31,
      "typing_delay": 4.511,
      "typing_duration": 12.49,
      "wpm": 29,
      "message": "Tail.data จะมีค่าเท่ากับ "
    },
    {
      "message_id": 295,
      "agent_id": 15,
      "delay": 8.486,
      "onscreen_delay": 1.168,
      "typing_delay": 7.318,
      "typing_duration": 18.484,
      "wpm": 7,
      "message": "Tail.data "
    },
    {
      "message_id": 296,
      "agent_id": 16,
      "delay": 14.484,
      "onscreen_delay": 9.638,
      "typing_delay": 4.846,
      "typing_duration": 8.617,
      "wpm": 26,
      "message": "เท่ากับ 30 นะคะ "
    },
    {
      "message_id": 297,
      "agent_id": 13,
      "delay": 10.482,
      "onscreen_delay": 3.952,
      "typing_delay": 6.53,
      "typing_duration": 11.004,
      "wpm": 8,
      "message": "โอ.เค. "
    },
    {
      "message_id": 298,
      "agent_id": 14,
      "delay": 7.689,
      "onscreen_delay": 0,
      "typing_delay": 7.689,
      "typing_duration": 12.464,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 299,
      "agent_id": 15,
      "delay": 8.463,
      "onscreen_delay": 2.895,
      "typing_delay": 5.568,
      "typing_duration": 18.478,
      "wpm": 15,
      "message": "ถ้าคำสั่งเป็น .Data "
    },
    {
      "message_id": 300,
      "agent_id": 16,
      "delay": 14.477,
      "onscreen_delay": 10.274,
      "typing_delay": 4.203,
      "typing_duration": 11.339,
      "wpm": 42,
      "message": "ให้หาข้อมูลข้างใน Node นั้นมาใส่ "
    },
    {
      "message_id": 301,
      "agent_id": 13,
      "delay": 10.476,
      "onscreen_delay": 5.441,
      "typing_delay": 5.035,
      "typing_duration": 12.074,
      "wpm": 30,
      "message": "คำตอบจะต้องเป็นค่าข้อมูล "
    },
    {
      "message_id": 302,
      "agent_id": 14,
      "delay": 8.074,
      "onscreen_delay": 0.509,
      "typing_delay": 7.565,
      "typing_duration": 17.966,
      "wpm": 13,
      "message": "คราวนี้มาดูนะคะ "
    },
    {
      "message_id": 303,
      "agent_id": 15,
      "delay": 13.963,
      "onscreen_delay": 9.607,
      "typing_delay": 4.356,
      "typing_duration": 18.992,
      "wpm": 9,
      "message": "Head. .Next  "
    },
    {
      "message_id": 304,
      "agent_id": 16,
      "delay": 14.991,
      "onscreen_delay": 9.363,
      "typing_delay": 5.628,
      "typing_duration": 10.064,
      "wpm": 22,
      "message": "แสดงว่า ต้องตอบ"
    },
    {
      "message_id": 305,
      "agent_id": 13,
      "delay": 10.987,
      "onscreen_delay": 6.774,
      "typing_delay": 4.213,
      "typing_duration": 17.012,
      "wpm": 27,
      "message": "เป็นค่าข้อมูลนะคะ ถ้าลงท้ายด้วย "
    },
    {
      "message_id": 306,
      "agent_id": 14,
      "delay": 13.001,
      "onscreen_delay": 8.469,
      "typing_delay": 4.532,
      "typing_duration": 12.696,
      "wpm": 30,
      "message": ".data  แสดงว่า เราอยากรู้"
    },
    {
      "message_id": 307,
      "agent_id": 15,
      "delay": 9,
      "onscreen_delay": 4.391,
      "typing_delay": 4.609,
      "typing_duration": 16.861,
      "wpm": 14,
      "message": "ว่าข้อมูลคืออะไร "
    },
    {
      "message_id": 308,
      "agent_id": 16,
      "delay": 12.856,
      "onscreen_delay": 6.503,
      "typing_delay": 6.353,
      "typing_duration": 9.645,
      "wpm": 30,
      "message": "Head ตัวนี้ถูกไหมคะ "
    },
    {
      "message_id": 309,
      "agent_id": 13,
      "delay": 8.856,
      "onscreen_delay": 2.026,
      "typing_delay": 6.83,
      "typing_duration": 18.367,
      "wpm": 18,
      "message": "Head นะคะ เห็นไหม Head "
    },
    {
      "message_id": 310,
      "agent_id": 14,
      "delay": 14.365,
      "onscreen_delay": 10.184,
      "typing_delay": 4.181,
      "typing_duration": 11.154,
      "wpm": 43,
      "message": "ชี้อยู่ที่ไหน ชี้อยู่ที่ 10 นะคะ "
    },
    {
      "message_id": 311,
      "agent_id": 15,
      "delay": 10.356,
      "onscreen_delay": 4.21,
      "typing_delay": 6.146,
      "typing_duration": 14.838,
      "wpm": 9,
      "message": "Head.Next  "
    },
    {
      "message_id": 312,
      "agent_id": 16,
      "delay": 10.837,
      "onscreen_delay": 5.925,
      "typing_delay": 4.912,
      "typing_duration": 9.684,
      "wpm": 29,
      "message": "head.next คือตัวนี้ "
    },
    {
      "message_id": 313,
      "agent_id": 13,
      "delay": 6.836,
      "onscreen_delay": 2.275,
      "typing_delay": 4.561,
      "typing_duration": 16.832,
      "wpm": 20,
      "message": "มันชี้ไปที่ไหน ชี้ไปที่"
    },
    {
      "message_id": 314,
      "agent_id": 14,
      "delay": 12.831,
      "onscreen_delay": 7.477,
      "typing_delay": 5.354,
      "typing_duration": 17.422,
      "wpm": 35,
      "message": "โหนดถัดไป คือตอนนี้มันชี้อยู่ที่โหนดถัดไป "
    },
    {
      "message_id": 315,
      "agent_id": 15,
      "delay": 13.421,
      "onscreen_delay": 8.829,
      "typing_delay": 4.592,
      "typing_duration": 17.717,
      "wpm": 17,
      "message": "แล้ว Node นี้ เขาว่า "
    },
    {
      "message_id": 316,
      "agent_id": 16,
      "delay": 13.716,
      "onscreen_delay": 9.468,
      "typing_delay": 4.248,
      "typing_duration": 9.667,
      "wpm": 40,
      "message": "เพราะฉะนั้นตอบ ตอบเท่าไรคะ "
    },
    {
      "message_id": 317,
      "agent_id": 13,
      "delay": 9.716,
      "onscreen_delay": 5.265,
      "typing_delay": 4.451,
      "typing_duration": 11.405,
      "wpm": 3,
      "message": "20 "
    },
    {
      "message_id": 318,
      "agent_id": 14,
      "delay": 7.404,
      "onscreen_delay": 2.576,
      "typing_delay": 4.828,
      "typing_duration": 14.477,
      "wpm": 26,
      "message": "นะคะ Head คือตัวนี้ .next "
    },
    {
      "message_id": 319,
      "agent_id": 15,
      "delay": 10.477,
      "onscreen_delay": 5.446,
      "typing_delay": 5.031,
      "typing_duration": 14.307,
      "wpm": 18,
      "message": ".Next แล้วอย่างไร "
    },
    {
      "message_id": 320,
      "agent_id": 16,
      "delay": 10.304,
      "onscreen_delay": 5.228,
      "typing_delay": 5.076,
      "typing_duration": 13.931,
      "wpm": 29,
      "message": "เพราะฉะนั้นตัวชี้อยู่ที่นี่ "
    },
    {
      "message_id": 321,
      "agent_id": 13,
      "delay": 9.93,
      "onscreen_delay": 5.7,
      "typing_delay": 4.23,
      "typing_duration": 15.935,
      "wpm": 28,
      "message": "แล้ว .Data เพราะฉะนั้นคำตอบคือ "
    },
    {
      "message_id": 322,
      "agent_id": 14,
      "delay": 11.933,
      "onscreen_delay": 7.445,
      "typing_delay": 4.488,
      "typing_duration": 8.76,
      "wpm": 12,
      "message": "20 นะคะ "
    },
    {
      "message_id": 323,
      "agent_id": 15,
      "delay": 7.932,
      "onscreen_delay": 2.387,
      "typing_delay": 5.545,
      "typing_duration": 19.001,
      "wpm": 8,
      "message": "ถัดมา tall "
    },
    {
      "message_id": 324,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 8.84,
      "typing_delay": 6.161,
      "typing_duration": 11.539,
      "wpm": 21,
      "message": "tell.next ตัวแรก"
    },
    {
      "message_id": 325,
      "agent_id": 13,
      "delay": 11,
      "onscreen_delay": 6.561,
      "typing_delay": 4.439,
      "typing_duration": 15.213,
      "wpm": 23,
      "message": "คือตัวชี้ ใช่ไหมคะ Tail "
    },
    {
      "message_id": 326,
      "agent_id": 14,
      "delay": 11.212,
      "onscreen_delay": 6.444,
      "typing_delay": 4.768,
      "typing_duration": 15.409,
      "wpm": 23,
      "message": "ชี้อยู่ Node สุดท้ายนะคะ "
    },
    {
      "message_id": 327,
      "agent_id": 15,
      "delay": 11.399,
      "onscreen_delay": 6.56,
      "typing_delay": 4.839,
      "typing_duration": 16.569,
      "wpm": 8,
      "message": "Tell.next "
    },
    {
      "message_id": 328,
      "agent_id": 16,
      "delay": 12.569,
      "onscreen_delay": 8.172,
      "typing_delay": 4.397,
      "typing_duration": 11.044,
      "wpm": 37,
      "message": "มันไปชี้ที่ไหนไหม tell.next "
    },
    {
      "message_id": 329,
      "agent_id": 13,
      "delay": 8.568,
      "onscreen_delay": 4.092,
      "typing_delay": 4.476,
      "typing_duration": 18.26,
      "wpm": 23,
      "message": "มันเชื่อมไปที่ Node ไหนไหมคะ "
    },
    {
      "message_id": 330,
      "agent_id": 14,
      "delay": 14.258,
      "onscreen_delay": 9.939,
      "typing_delay": 4.319,
      "typing_duration": 11.502,
      "wpm": 40,
      "message": "มันคือ Node สุดท้ายแล้วใช่ไหมคะ "
    },
    {
      "message_id": 331,
      "agent_id": 15,
      "delay": 10.258,
      "onscreen_delay": 6.136,
      "typing_delay": 4.122,
      "typing_duration": 18.156,
      "wpm": 24,
      "message": "เพราะฉะนั้นคำว่า .next ของมัน "
    },
    {
      "message_id": 332,
      "agent_id": 16,
      "delay": 14.155,
      "onscreen_delay": 8.63,
      "typing_delay": 5.525,
      "typing_duration": 9.969,
      "wpm": 41,
      "message": "คือไม่ได้เชื่อมไปที่ไหนนะคะ "
    },
    {
      "message_id": 333,
      "agent_id": 13,
      "delay": 10.155,
      "onscreen_delay": 5.373,
      "typing_delay": 4.782,
      "typing_duration": 13.631,
      "wpm": 25,
      "message": "คือไม่ได้เชื่อมไปที่ไหน "
    },
    {
      "message_id": 334,
      "agent_id": 14,
      "delay": 9.63,
      "onscreen_delay": 1.153,
      "typing_delay": 8.477,
      "typing_duration": 8.477,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 335,
      "agent_id": 15,
      "delay": 7.334,
      "onscreen_delay": 0,
      "typing_delay": 7.334,
      "typing_duration": 18.352,
      "wpm": 20,
      "message": "ถูกไหมมันคือ Node สุดท้าย"
    },
    {
      "message_id": 336,
      "agent_id": 16,
      "delay": 14.351,
      "onscreen_delay": 9.832,
      "typing_delay": 4.519,
      "typing_duration": 9.332,
      "wpm": 48,
      "message": "นะคะ มันไม่ได้เชื่อมอยู่ที่ไหน "
    },
    {
      "message_id": 337,
      "agent_id": 13,
      "delay": 10.35,
      "onscreen_delay": 5.281,
      "typing_delay": 5.069,
      "typing_duration": 13.32,
      "wpm": 25,
      "message": "คราวนี้ครูถามอีก 1 ข้อ "
    },
    {
      "message_id": 338,
      "agent_id": 14,
      "delay": 9.319,
      "onscreen_delay": 0.434,
      "typing_delay": 8.885,
      "typing_duration": 8.885,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 339,
      "agent_id": 15,
      "delay": 8.754,
      "onscreen_delay": 0,
      "typing_delay": 8.754,
      "typing_duration": 17.34,
      "wpm": 10,
      "message": "มาตัวนี้ค่ะ "
    },
    {
      "message_id": 340,
      "agent_id": 16,
      "delay": 13.339,
      "onscreen_delay": 7.592,
      "typing_delay": 5.747,
      "typing_duration": 14.283,
      "wpm": 9,
      "message": "head.next "
    },
    {
      "message_id": 341,
      "agent_id": 13,
      "delay": 10.281,
      "onscreen_delay": 4.197,
      "typing_delay": 6.084,
      "typing_duration": 11.432,
      "wpm": 7,
      "message": ".Next "
    },
    {
      "message_id": 342,
      "agent_id": 14,
      "delay": 7.43,
      "onscreen_delay": 3.253,
      "typing_delay": 4.177,
      "typing_duration": 17.028,
      "wpm": 20,
      "message": "แล้วก็ .data ตอบเท่ากับ "
    },
    {
      "message_id": 343,
      "agent_id": 15,
      "delay": 13.026,
      "onscreen_delay": 8.234,
      "typing_delay": 4.792,
      "typing_duration": 17.261,
      "wpm": 11,
      "message": "= 30 ถูกไหมคะ "
    },
    {
      "message_id": 344,
      "agent_id": 16,
      "delay": 13.257,
      "onscreen_delay": 7.154,
      "typing_delay": 6.103,
      "typing_duration": 11.702,
      "wpm": 24,
      "message": "เราก็ต้องค่อย ๆ ไล่ "
    },
    {
      "message_id": 345,
      "agent_id": 13,
      "delay": 9.256,
      "onscreen_delay": 2.873,
      "typing_delay": 6.383,
      "typing_duration": 17.993,
      "wpm": 16,
      "message": "Head ถูกไหมคะ .Next "
    },
    {
      "message_id": 346,
      "agent_id": 14,
      "delay": 13.992,
      "onscreen_delay": 9.836,
      "typing_delay": 4.156,
      "typing_duration": 16.371,
      "wpm": 33,
      "message": "ชี้มาที่นี้ แล้ว .next อีกครั้งหนึ่ง "
    },
    {
      "message_id": 347,
      "agent_id": 15,
      "delay": 12.369,
      "onscreen_delay": 8.09,
      "typing_delay": 4.279,
      "typing_duration": 17.417,
      "wpm": 22,
      "message": "ไปไหน มาที่นี่ แล้ว .data "
    },
    {
      "message_id": 348,
      "agent_id": 16,
      "delay": 13.417,
      "onscreen_delay": 9.046,
      "typing_delay": 4.371,
      "typing_duration": 14.327,
      "wpm": 16,
      "message": "ก็เลยต้องตอบ 30 "
    },
    {
      "message_id": 349,
      "agent_id": 13,
      "delay": 10.325,
      "onscreen_delay": 2.81,
      "typing_delay": 7.515,
      "typing_duration": 13.209,
      "wpm": 16,
      "message": "เริ่มไล่ถูกไหม "
    },
    {
      "message_id": 350,
      "agent_id": 14,
      "delay": 9.209,
      "onscreen_delay": 0.516,
      "typing_delay": 8.693,
      "typing_duration": 8.693,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 351,
      "agent_id": 15,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 352,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 6.684,
      "typing_delay": 8.317,
      "typing_duration": 8.317,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 353,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 354,
      "agent_id": 14,
      "delay": 14.999,
      "onscreen_delay": 2.291,
      "typing_delay": 12.708,
      "typing_duration": 12.708,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 355,
      "agent_id": 15,
      "delay": 11.128,
      "onscreen_delay": 0,
      "typing_delay": 11.128,
      "typing_duration": 11.128,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 356,
      "agent_id": 16,
      "delay": 7.125,
      "onscreen_delay": 0.365,
      "typing_delay": 6.76,
      "typing_duration": 11.947,
      "wpm": 21,
      "message": "ทีนี่่ลองดูก่อนนะ "
    },
    {
      "message_id": 357,
      "agent_id": 13,
      "delay": 7.942,
      "onscreen_delay": 3.635,
      "typing_delay": 4.307,
      "typing_duration": 17.398,
      "wpm": 28,
      "message": "เรามาทบทวนตัว Link List ก่อนนะคะ "
    },
    {
      "message_id": 358,
      "agent_id": 14,
      "delay": 13.397,
      "onscreen_delay": 9.187,
      "typing_delay": 4.21,
      "typing_duration": 12.771,
      "wpm": 31,
      "message": "พอเราทำใน Queue เราจะทำได้ "
    },
    {
      "message_id": 359,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 360,
      "agent_id": 16,
      "delay": 14.999,
      "onscreen_delay": 6.518,
      "typing_delay": 8.481,
      "typing_duration": 8.481,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 361,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 362,
      "agent_id": 14,
      "delay": 14.999,
      "onscreen_delay": 6.249,
      "typing_delay": 8.75,
      "typing_duration": 8.75,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 363,
      "agent_id": 15,
      "delay": 10.994,
      "onscreen_delay": 2.579,
      "typing_delay": 8.415,
      "typing_duration": 18.352,
      "wpm": 12,
      "message": "ครูมี Link List "
    },
    {
      "message_id": 364,
      "agent_id": 16,
      "delay": 14.349,
      "onscreen_delay": 9.798,
      "typing_delay": 4.551,
      "typing_duration": 11.928,
      "wpm": 34,
      "message": "ให้นะคะ คือตัวเดิมเลย 10 20 "
    },
    {
      "message_id": 365,
      "agent_id": 13,
      "delay": 10.347,
      "onscreen_delay": 5.332,
      "typing_delay": 5.015,
      "typing_duration": 10.688,
      "wpm": 24,
      "message": "แล้วก็ 30 มี Head "
    },
    {
      "message_id": 366,
      "agent_id": 14,
      "delay": 6.687,
      "onscreen_delay": 2.597,
      "typing_delay": 4.09,
      "typing_duration": 14.509,
      "wpm": 39,
      "message": "กับ Tail ชี้ให้เรียบร้อยนะคะ ครูบอกว่า "
    },
    {
      "message_id": 367,
      "agent_id": 15,
      "delay": 10.508,
      "onscreen_delay": 4.705,
      "typing_delay": 5.803,
      "typing_duration": 17.157,
      "wpm": 17,
      "message": "ครูต้องการเพิ่ม Node "
    },
    {
      "message_id": 368,
      "agent_id": 16,
      "delay": 13.156,
      "onscreen_delay": 8.424,
      "typing_delay": 4.732,
      "typing_duration": 10.146,
      "wpm": 33,
      "message": "ใหม่เข้าไปที่ท้าย list "
    },
    {
      "message_id": 369,
      "agent_id": 13,
      "delay": 9.155,
      "onscreen_delay": 3.14,
      "typing_delay": 6.015,
      "typing_duration": 15.937,
      "wpm": 24,
      "message": "ครูต้องการเพิ่ม Node ใหม่ "
    },
    {
      "message_id": 370,
      "agent_id": 14,
      "delay": 11.936,
      "onscreen_delay": 7.847,
      "typing_delay": 4.089,
      "typing_duration": 14.238,
      "wpm": 42,
      "message": "คือ Node 5 ถูกไหมคะ Node ข้อมูล 5 ตัวนี้ "
    },
    {
      "message_id": 371,
      "agent_id": 15,
      "delay": 10.237,
      "onscreen_delay": 5.778,
      "typing_delay": 4.459,
      "typing_duration": 15.823,
      "wpm": 16,
      "message": "ไปไว้ที่ท้าย List "
    },
    {
      "message_id": 372,
      "agent_id": 16,
      "delay": 11.822,
      "onscreen_delay": 6.39,
      "typing_delay": 5.432,
      "typing_duration": 12.57,
      "wpm": 51,
      "message": "เพราะฉะนั้น 5 จะต้องต่อ 10 หรือ อยู่หน้า 10 "
    },
    {
      "message_id": 373,
      "agent_id": 13,
      "delay": 8.569,
      "onscreen_delay": 0.57,
      "typing_delay": 7.999,
      "typing_duration": 11.641,
      "wpm": 12,
      "message": "ท้าย List "
    },
    {
      "message_id": 374,
      "agent_id": 14,
      "delay": 7.639,
      "onscreen_delay": 3.023,
      "typing_delay": 4.616,
      "typing_duration": 11.329,
      "wpm": 44,
      "message": "เพราะฉะนั้น 5 ต้องมาต่ออยู่ที่ 30 "
    },
    {
      "message_id": 375,
      "agent_id": 15,
      "delay": 7.315,
      "onscreen_delay": 2.735,
      "typing_delay": 4.58,
      "typing_duration": 15.036,
      "wpm": 32,
      "message": "ถูกไหมคะ 5 จะต้องมาต่ออยู่ที่ 30 "
    },
    {
      "message_id": 376,
      "agent_id": 16,
      "delay": 11.036,
      "onscreen_delay": 5.6,
      "typing_delay": 5.436,
      "typing_duration": 11.101,
      "wpm": 42,
      "message": "และ 5 จะเป็น Node สุดท้ายใช่ไหม "
    },
    {
      "message_id": 377,
      "agent_id": 13,
      "delay": 7.1,
      "onscreen_delay": 1.646,
      "typing_delay": 5.454,
      "typing_duration": 11.144,
      "wpm": 27,
      "message": "พอเอา 5 มาต่อหลัง 30 "
    },
    {
      "message_id": 378,
      "agent_id": 14,
      "delay": 7.142,
      "onscreen_delay": 2.906,
      "typing_delay": 4.236,
      "typing_duration": 15.258,
      "wpm": 32,
      "message": "5 กลายเป็น Node สุดท้ายใช่ไหม ใช่ "
    },
    {
      "message_id": 379,
      "agent_id": 15,
      "delay": 11.258,
      "onscreen_delay": 6.147,
      "typing_delay": 5.111,
      "typing_duration": 18.314,
      "wpm": 19,
      "message": "5 กลายเป็น Node สุดท้าย "
    },
    {
      "message_id": 380,
      "agent_id": 16,
      "delay": 14.312,
      "onscreen_delay": 9.461,
      "typing_delay": 4.851,
      "typing_duration": 10.799,
      "wpm": 31,
      "message": "ปัญหาคือ ครูจะเชื่อม 5 "
    },
    {
      "message_id": 381,
      "agent_id": 13,
      "delay": 10.311,
      "onscreen_delay": 5.932,
      "typing_delay": 4.379,
      "typing_duration": 10.18,
      "wpm": 35,
      "message": "มาอยู่หลัง 30 ได้อย่างไร "
    },
    {
      "message_id": 382,
      "agent_id": 14,
      "delay": 6.31,
      "onscreen_delay": 1.295,
      "typing_delay": 5.015,
      "typing_duration": 11.024,
      "wpm": 27,
      "message": "อันดับแรกทำอย่างไรคะ "
    },
    {
      "message_id": 383,
      "agent_id": 15,
      "delay": 7.022,
      "onscreen_delay": 1.625,
      "typing_delay": 5.397,
      "typing_duration": 17.522,
      "wpm": 18,
      "message": "เราก็ลองวาดเส้นถูกไหม "
    },
    {
      "message_id": 384,
      "agent_id": 16,
      "delay": 13.521,
      "onscreen_delay": 8.968,
      "typing_delay": 4.553,
      "typing_duration": 8.917,
      "wpm": 44,
      "message": "5 มันต้องเชื่อมมาที่เท่าไร "
    },
    {
      "message_id": 385,
      "agent_id": 13,
      "delay": 9.519,
      "onscreen_delay": 4.783,
      "typing_delay": 4.736,
      "typing_duration": 11.182,
      "wpm": 24,
      "message": "30 ต้องเชื่อมมาที่ "
    },
    {
      "message_id": 386,
      "agent_id": 14,
      "delay": 7.181,
      "onscreen_delay": 2.638,
      "typing_delay": 4.543,
      "typing_duration": 12.457,
      "wpm": 29,
      "message": "5 ถูกไหมคะ 30 ต้องเชื่อม"
    },
    {
      "message_id": 387,
      "agent_id": 15,
      "delay": 8.456,
      "onscreen_delay": 3.947,
      "typing_delay": 4.509,
      "typing_duration": 17.162,
      "wpm": 23,
      "message": "มาที่ 5 ครูวาดเส้นเชื่อมละ "
    },
    {
      "message_id": 388,
      "agent_id": 16,
      "delay": 13.161,
      "onscreen_delay": 7.64,
      "typing_delay": 5.521,
      "typing_duration": 9.925,
      "wpm": 39,
      "message": "ครูจะเขียนคำสั่งได้อย่างไร "
    },
    {
      "message_id": 389,
      "agent_id": 13,
      "delay": 9.16,
      "onscreen_delay": 3.379,
      "typing_delay": 5.781,
      "typing_duration": 13.598,
      "wpm": 19,
      "message": "เส้นนี้ ที่เชื่อม"
    },
    {
      "message_id": 390,
      "agent_id": 14,
      "delay": 9.584,
      "onscreen_delay": 5.488,
      "typing_delay": 4.096,
      "typing_duration": 12.798,
      "wpm": 26,
      "message": "มาใหม่นี่ที่ครูลากใหม่ "
    },
    {
      "message_id": 391,
      "agent_id": 15,
      "delay": 8.784,
      "onscreen_delay": 4.538,
      "typing_delay": 4.246,
      "typing_duration": 13.476,
      "wpm": 23,
      "message": "จะต้องใช้คำสั่งอะไรดี "
    },
    {
      "message_id": 392,
      "agent_id": 16,
      "delay": 9.461,
      "onscreen_delay": 3.786,
      "typing_delay": 5.675,
      "typing_duration": 10.843,
      "wpm": 26,
      "message": "คราวนี้มาดูว่าจะใช้"
    },
    {
      "message_id": 393,
      "agent_id": 13,
      "delay": 6.837,
      "onscreen_delay": 2.141,
      "typing_delay": 4.696,
      "typing_duration": 15.423,
      "wpm": 27,
      "message": "จะใช้คำสั่งอะไร Node สุดท้าย"
    },
    {
      "message_id": 394,
      "agent_id": 14,
      "delay": 11.422,
      "onscreen_delay": 7.343,
      "typing_delay": 4.079,
      "typing_duration": 13.572,
      "wpm": 31,
      "message": "ตัวนี้มีอะไรชี้อยู่ มีอะไรคะ "
    },
    {
      "message_id": 395,
      "agent_id": 15,
      "delay": 9.571,
      "onscreen_delay": 5.268,
      "typing_delay": 4.303,
      "typing_duration": 17.531,
      "wpm": 20,
      "message": "มี Tell ชี้อยู่ใช่ไหมคะ "
    },
    {
      "message_id": 396,
      "agent_id": 16,
      "delay": 13.53,
      "onscreen_delay": 8.277,
      "typing_delay": 5.253,
      "typing_duration": 12.809,
      "wpm": 37,
      "message": "เราต้องการเชื่อมไปยัง Node ถัดไป "
    },
    {
      "message_id": 397,
      "agent_id": 13,
      "delay": 9.529,
      "onscreen_delay": 5.162,
      "typing_delay": 4.367,
      "typing_duration": 13.547,
      "wpm": 39,
      "message": "เราต้องใช้ส่วนไหนเป็นตัวเชื่อม Data "
    },
    {
      "message_id": 398,
      "agent_id": 14,
      "delay": 9.546,
      "onscreen_delay": 5.346,
      "typing_delay": 4.2,
      "typing_duration": 14.253,
      "wpm": 24,
      "message": "หรือ Next Next ถูกไหมคะ "
    },
    {
      "message_id": 399,
      "agent_id": 15,
      "delay": 10.252,
      "onscreen_delay": 4.617,
      "typing_delay": 5.635,
      "typing_duration": 18.586,
      "wpm": 15,
      "message": "next ให้ชี้ไปที่ไหน "
    },
    {
      "message_id": 400,
      "agent_id": 16,
      "delay": 14.586,
      "onscreen_delay": 9.86,
      "typing_delay": 4.726,
      "typing_duration": 10.734,
      "wpm": 48,
      "message": "เมื่อเราจุดตรงนี้ได้แล้ว tell.next "
    },
    {
      "message_id": 401,
      "agent_id": 13,
      "delay": 10.584,
      "onscreen_delay": 6.076,
      "typing_delay": 4.508,
      "typing_duration": 12.79,
      "wpm": 27,
      "message": "ให้ชี้ไปที่ไหน ชี้ไปที่ "
    },
    {
      "message_id": 402,
      "agent_id": 14,
      "delay": 8.789,
      "onscreen_delay": 2.859,
      "typing_delay": 5.93,
      "typing_duration": 13.572,
      "wpm": 22,
      "message": "5 5 นี่มีอะไรชี้อยู่ "
    },
    {
      "message_id": 403,
      "agent_id": 15,
      "delay": 9.57,
      "onscreen_delay": 5.219,
      "typing_delay": 4.351,
      "typing_duration": 15.317,
      "wpm": 12,
      "message": "มี P ชี้อยู่ "
    },
    {
      "message_id": 404,
      "agent_id": 16,
      "delay": 11.317,
      "onscreen_delay": 6.457,
      "typing_delay": 4.86,
      "typing_duration": 10.009,
      "wpm": 30,
      "message": "ก็กำหนดให้ tell.next "
    },
    {
      "message_id": 405,
      "agent_id": 13,
      "delay": 7.316,
      "onscreen_delay": 2.891,
      "typing_delay": 4.425,
      "typing_duration": 18.038,
      "wpm": 15,
      "message": "ชี้ไปที่ P ชี้อยู่ "
    },
    {
      "message_id": 406,
      "agent_id": 14,
      "delay": 14.037,
      "onscreen_delay": 4.888,
      "typing_delay": 9.149,
      "typing_duration": 9.149,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 407,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 408,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 5.551,
      "typing_delay": 9.45,
      "typing_duration": 9.45,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 409,
      "agent_id": 13,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 410,
      "agent_id": 14,
      "delay": 14.998,
      "onscreen_delay": 5.344,
      "typing_delay": 9.654,
      "typing_duration": 9.654,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 411,
      "agent_id": 15,
      "delay": 10.997,
      "onscreen_delay": 5.004,
      "typing_delay": 5.993,
      "typing_duration": 18.111,
      "wpm": 17,
      "message": "คราวนี้นะคะ ยังไม่จบ "
    },
    {
      "message_id": 412,
      "agent_id": 16,
      "delay": 14.11,
      "onscreen_delay": 9.584,
      "typing_delay": 4.526,
      "typing_duration": 11.665,
      "wpm": 26,
      "message": "ถูกไหม ยังไม่จบ tell "
    },
    {
      "message_id": 413,
      "agent_id": 13,
      "delay": 10.109,
      "onscreen_delay": 5.869,
      "typing_delay": 4.24,
      "typing_duration": 9.402,
      "wpm": 22,
      "message": "เราจะชี้ที่ไหน "
    },
    {
      "message_id": 414,
      "agent_id": 14,
      "delay": 6.107,
      "onscreen_delay": 1.579,
      "typing_delay": 4.528,
      "typing_duration": 10.258,
      "wpm": 37,
      "message": "หน้าที่ของ Tail คือชี้ที่"
    },
    {
      "message_id": 415,
      "agent_id": 15,
      "delay": 6.258,
      "onscreen_delay": 1.765,
      "typing_delay": 4.493,
      "typing_duration": 16.457,
      "wpm": 34,
      "message": "ท้ายสุด ตอนนี้อะไรคือท้ายสุด 5 ถูกไหม "
    },
    {
      "message_id": 416,
      "agent_id": 16,
      "delay": 12.456,
      "onscreen_delay": 5.863,
      "typing_delay": 6.593,
      "typing_duration": 10.384,
      "wpm": 35,
      "message": "เพราะฉะนั้นต้องย้าย Tell "
    },
    {
      "message_id": 417,
      "agent_id": 13,
      "delay": 8.455,
      "onscreen_delay": 3.775,
      "typing_delay": 4.68,
      "typing_duration": 17.506,
      "wpm": 27,
      "message": "จะย้าย Tail ได้อย่างไร ให้ Tail "
    },
    {
      "message_id": 418,
      "agent_id": 14,
      "delay": 13.505,
      "onscreen_delay": 9.467,
      "typing_delay": 4.038,
      "typing_duration": 10.441,
      "wpm": 9,
      "message": "ชี้ที่ "
    },
    {
      "message_id": 419,
      "agent_id": 15,
      "delay": 9.504,
      "onscreen_delay": 4.899,
      "typing_delay": 4.605,
      "typing_duration": 13.626,
      "wpm": 19,
      "message": "P ชี้อยู่ใช่ไหมคะ "
    },
    {
      "message_id": 420,
      "agent_id": 16,
      "delay": 9.624,
      "onscreen_delay": 4.773,
      "typing_delay": 4.851,
      "typing_duration": 10.978,
      "wpm": 26,
      "message": "ให้ Tell ชี้อยู่ที่ "
    },
    {
      "message_id": 421,
      "agent_id": 13,
      "delay": 6.978,
      "onscreen_delay": 2.507,
      "typing_delay": 4.471,
      "typing_duration": 18.033,
      "wpm": 28,
      "message": "P ชี้อยู่ที่ไหน ก็เอา Tail นั่นล่ะ"
    },
    {
      "message_id": 422,
      "agent_id": 14,
      "delay": 14.032,
      "onscreen_delay": 8.55,
      "typing_delay": 5.482,
      "typing_duration": 9.975,
      "wpm": 14,
      "message": "มาชี้นะคะ "
    },
    {
      "message_id": 423,
      "agent_id": 15,
      "delay": 10.029,
      "onscreen_delay": 4.694,
      "typing_delay": 5.335,
      "typing_duration": 13.009,
      "wpm": 20,
      "message": "เราก็จะได้แล้วว่า "
    },
    {
      "message_id": 424,
      "agent_id": 16,
      "delay": 9.008,
      "onscreen_delay": 4.886,
      "typing_delay": 4.122,
      "typing_duration": 13.587,
      "wpm": 31,
      "message": "node สุดท้ายของ linklist นี้ "
    },
    {
      "message_id": 425,
      "agent_id": 13,
      "delay": 9.585,
      "onscreen_delay": 4.844,
      "typing_delay": 4.741,
      "typing_duration": 11.36,
      "wpm": 36,
      "message": "ข้อมูล 5 นะคะ รู้ได้อย่างไร "
    },
    {
      "message_id": 426,
      "agent_id": 14,
      "delay": 7.36,
      "onscreen_delay": 3.162,
      "typing_delay": 4.198,
      "typing_duration": 10.953,
      "wpm": 25,
      "message": "นี่ไง Tail ชี้อยู่ "
    },
    {
      "message_id": 427,
      "agent_id": 15,
      "delay": 19.005,
      "onscreen_delay": 0,
      "typing_delay": 19.005,
      "typing_duration": 19.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 428,
      "agent_id": 16,
      "delay": 15.003,
      "onscreen_delay": 6.419,
      "typing_delay": 8.584,
      "typing_duration": 8.584,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 429,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 430,
      "agent_id": 14,
      "delay": 14.999,
      "onscreen_delay": 6.52,
      "typing_delay": 8.479,
      "typing_duration": 8.479,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 431,
      "agent_id": 15,
      "delay": 15.031,
      "onscreen_delay": 0,
      "typing_delay": 15.031,
      "typing_duration": 15.031,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 432,
      "agent_id": 16,
      "delay": 11.028,
      "onscreen_delay": 2.473,
      "typing_delay": 8.555,
      "typing_duration": 8.555,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 433,
      "agent_id": 13,
      "delay": 7.951,
      "onscreen_delay": 0,
      "typing_delay": 7.951,
      "typing_duration": 17.318,
      "wpm": 13,
      "message": "จดโจทย์ไว้หน่อย "
    },
    {
      "message_id": 434,
      "agent_id": 14,
      "delay": 13.315,
      "onscreen_delay": 9.202,
      "typing_delay": 4.113,
      "typing_duration": 13.404,
      "wpm": 35,
      "message": "มีกระดาษไหม มีกระดาษขี้นมาหน่อย "
    },
    {
      "message_id": 435,
      "agent_id": 15,
      "delay": 9.404,
      "onscreen_delay": 0.666,
      "typing_delay": 8.738,
      "typing_duration": 17.896,
      "wpm": 15,
      "message": "ใส่ไว้ที่ Cassroom "
    },
    {
      "message_id": 436,
      "agent_id": 16,
      "delay": 13.895,
      "onscreen_delay": 7.168,
      "typing_delay": 6.727,
      "typing_duration": 13.069,
      "wpm": 24,
      "message": "โดยการเปิด Class room "
    },
    {
      "message_id": 437,
      "agent_id": 13,
      "delay": 9.894,
      "onscreen_delay": 5.262,
      "typing_delay": 4.632,
      "typing_duration": 18.179,
      "wpm": 27,
      "message": "ในรายวิชานี้ ครูอัปไฟล์ไว้หมดแล้ว "
    },
    {
      "message_id": 438,
      "agent_id": 14,
      "delay": 14.178,
      "onscreen_delay": 5.401,
      "typing_delay": 8.777,
      "typing_duration": 8.777,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 439,
      "agent_id": 15,
      "delay": 13.891,
      "onscreen_delay": 0,
      "typing_delay": 13.891,
      "typing_duration": 13.891,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 440,
      "agent_id": 16,
      "delay": 9.89,
      "onscreen_delay": 0.882,
      "typing_delay": 9.008,
      "typing_duration": 9.008,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 441,
      "agent_id": 13,
      "delay": 5.888,
      "onscreen_delay": 0.697,
      "typing_delay": 5.191,
      "typing_duration": 11.188,
      "wpm": 38,
      "message": "คราวนี้ต่อ แล้วถ้าครูต้องการ"
    },
    {
      "message_id": 442,
      "agent_id": 14,
      "delay": 7.186,
      "onscreen_delay": 2.286,
      "typing_delay": 4.9,
      "typing_duration": 15.356,
      "wpm": 40,
      "message": "ลบบ้าง เมื่อกี้ครูเพิ่มไปด้านหลังถูกไหมคะ "
    },
    {
      "message_id": 443,
      "agent_id": 15,
      "delay": 11.355,
      "onscreen_delay": 6.736,
      "typing_delay": 4.619,
      "typing_duration": 17.988,
      "wpm": 20,
      "message": "ครูต้องการลบข้างหน้าบ้าง "
    },
    {
      "message_id": 444,
      "agent_id": 16,
      "delay": 13.988,
      "onscreen_delay": 9.154,
      "typing_delay": 4.834,
      "typing_duration": 10.476,
      "wpm": 26,
      "message": "ลบ 10 นี้ออกมานะคะ "
    },
    {
      "message_id": 445,
      "agent_id": 13,
      "delay": 9.987,
      "onscreen_delay": 5.855,
      "typing_delay": 4.132,
      "typing_duration": 17.797,
      "wpm": 33,
      "message": "เอา 10 นี้ออกไป เมื่อเราลบ 10 ออกไปแล้ว "
    },
    {
      "message_id": 446,
      "agent_id": 14,
      "delay": 13.796,
      "onscreen_delay": 8.739,
      "typing_delay": 5.057,
      "typing_duration": 16.451,
      "wpm": 30,
      "message": "Node แรกของ LinkList ตัวนี้คือ 20 "
    },
    {
      "message_id": 447,
      "agent_id": 15,
      "delay": 12.45,
      "onscreen_delay": 8.361,
      "typing_delay": 4.089,
      "typing_duration": 14.533,
      "wpm": 33,
      "message": "ถูกไหมคะ เมื่อลบ 10 ออกไปแล้วนี่ "
    },
    {
      "message_id": 448,
      "agent_id": 16,
      "delay": 10.533,
      "onscreen_delay": 3.907,
      "typing_delay": 6.626,
      "typing_duration": 10.053,
      "wpm": 18,
      "message": "เพราะฉะนั้นเ"
    },
    {
      "message_id": 449,
      "agent_id": 13,
      "delay": 6.531,
      "onscreen_delay": 2.133,
      "typing_delay": 4.398,
      "typing_duration": 10.668,
      "wpm": 20,
      "message": "เราจะทำอย่างไร "
    },
    {
      "message_id": 450,
      "agent_id": 14,
      "delay": 6.667,
      "onscreen_delay": 2.558,
      "typing_delay": 4.109,
      "typing_duration": 12.981,
      "wpm": 30,
      "message": "เราก็แค่ย้าย Head นี่มาชี้"
    },
    {
      "message_id": 451,
      "agent_id": 15,
      "delay": 8.978,
      "onscreen_delay": 5.026,
      "typing_delay": 3.952,
      "typing_duration": 17.14,
      "wpm": 20,
      "message": "ที่ Node ถัดไป ถูกไหมคะ "
    },
    {
      "message_id": 452,
      "agent_id": 16,
      "delay": 13.139,
      "onscreen_delay": 8.683,
      "typing_delay": 4.456,
      "typing_duration": 12.203,
      "wpm": 34,
      "message": "ที่ไหน Node นั้นคือ Node แรก"
    },
    {
      "message_id": 453,
      "agent_id": 13,
      "delay": 9.132,
      "onscreen_delay": 3.568,
      "typing_delay": 5.564,
      "typing_duration": 13.326,
      "wpm": 16,
      "message": "เราจะย้าย Head "
    },
    {
      "message_id": 454,
      "agent_id": 14,
      "delay": 9.325,
      "onscreen_delay": 4.105,
      "typing_delay": 5.22,
      "typing_duration": 14.051,
      "wpm": 38,
      "message": "มาที่ Node ถัดไปได้อย่างไร ใช้คำสั่ง"
    },
    {
      "message_id": 455,
      "agent_id": 15,
      "delay": 10.049,
      "onscreen_delay": 5.726,
      "typing_delay": 4.323,
      "typing_duration": 11.221,
      "wpm": 20,
      "message": "อะไรดี ให้ Head "
    },
    {
      "message_id": 456,
      "agent_id": 16,
      "delay": 7.22,
      "onscreen_delay": 3.007,
      "typing_delay": 4.213,
      "typing_duration": 8.935,
      "wpm": 39,
      "message": "เลื่อนไปยัง Node  ถัดไป"
    },
    {
      "message_id": 457,
      "agent_id": 13,
      "delay": 6.717,
      "onscreen_delay": 0,
      "typing_delay": 6.717,
      "typing_duration": 15.265,
      "wpm": 12,
      "message": "Head เท่ากับ "
    },
    {
      "message_id": 458,
      "agent_id": 14,
      "delay": 11.265,
      "onscreen_delay": 6.795,
      "typing_delay": 4.47,
      "typing_duration": 11.375,
      "wpm": 32,
      "message": "ให้ Head นี่ไปชี้อยู่ที่ "
    },
    {
      "message_id": 459,
      "agent_id": 15,
      "delay": 7.373,
      "onscreen_delay": 2.059,
      "typing_delay": 5.314,
      "typing_duration": 17.261,
      "wpm": 25,
      "message": "20 นั่นล่ะ จะไปได้อย่างไรเอ่ย "
    },
    {
      "message_id": 460,
      "agent_id": 16,
      "delay": 13.254,
      "onscreen_delay": 7.759,
      "typing_delay": 5.495,
      "typing_duration": 9.359,
      "wpm": 38,
      "message": "จะไป 20 ก็คือ เดี๋ยวนะคะ"
    },
    {
      "message_id": 461,
      "agent_id": 13,
      "delay": 9.25,
      "onscreen_delay": 0.029,
      "typing_delay": 9.221,
      "typing_duration": 9.221,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 462,
      "agent_id": 14,
      "delay": 8.996,
      "onscreen_delay": 0,
      "typing_delay": 8.996,
      "typing_duration": 8.996,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 463,
      "agent_id": 15,
      "delay": 4.995,
      "onscreen_delay": 0.825,
      "typing_delay": 4.17,
      "typing_duration": 18.011,
      "wpm": 24,
      "message": "ไปได้อย่างไร ให้Head  ถูกไหมค"
    },
    {
      "message_id": 464,
      "agent_id": 16,
      "delay": 14.008,
      "onscreen_delay": 8.931,
      "typing_delay": 5.077,
      "typing_duration": 12.305,
      "wpm": 32,
      "message": "ไปชี้ที่ head.next ชี้อยู่ "
    },
    {
      "message_id": 465,
      "agent_id": 13,
      "delay": 10.006,
      "onscreen_delay": 3.298,
      "typing_delay": 6.708,
      "typing_duration": 19,
      "wpm": 17,
      "message": "Head.Next ชี้อยู่ที่ไ"
    },
    {
      "message_id": 466,
      "agent_id": 14,
      "delay": 15,
      "onscreen_delay": 10.525,
      "typing_delay": 4.475,
      "typing_duration": 13.026,
      "wpm": 13,
      "message": "20 ใช่ไหมคะ "
    },
    {
      "message_id": 467,
      "agent_id": 15,
      "delay": 10.999,
      "onscreen_delay": 4.547,
      "typing_delay": 6.452,
      "typing_duration": 18.223,
      "wpm": 15,
      "message": "Head.next ถูกไหมคะ "
    },
    {
      "message_id": 468,
      "agent_id": 16,
      "delay": 14.223,
      "onscreen_delay": 7.592,
      "typing_delay": 6.631,
      "typing_duration": 10.255,
      "wpm": 13,
      "message": "head.next "
    },
    {
      "message_id": 469,
      "agent_id": 13,
      "delay": 10.222,
      "onscreen_delay": 5.712,
      "typing_delay": 4.51,
      "typing_duration": 8.49,
      "wpm": 19,
      "message": "ที่ Node 20 "
    },
    {
      "message_id": 470,
      "agent_id": 14,
      "delay": 9.341,
      "onscreen_delay": 0,
      "typing_delay": 9.341,
      "typing_duration": 9.341,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 471,
      "agent_id": 15,
      "delay": 6.943,
      "onscreen_delay": 0,
      "typing_delay": 6.943,
      "typing_duration": 19.002,
      "wpm": 7,
      "message": "head=Head"
    },
    {
      "message_id": 472,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 10.295,
      "typing_delay": 4.706,
      "typing_duration": 10.076,
      "wpm": 34,
      "message": "หมายความว่า ให้เอา head "
    },
    {
      "message_id": 473,
      "agent_id": 13,
      "delay": 10.999,
      "onscreen_delay": 6.041,
      "typing_delay": 4.958,
      "typing_duration": 15.946,
      "wpm": 21,
      "message": "ไปชี้อยู่ที่ Head.Next "
    },
    {
      "message_id": 474,
      "agent_id": 14,
      "delay": 11.943,
      "onscreen_delay": 7.431,
      "typing_delay": 4.512,
      "typing_duration": 17.247,
      "wpm": 15,
      "message": "ชี้อยู่ เหมือนกัน "
    },
    {
      "message_id": 475,
      "agent_id": 15,
      "delay": 13.244,
      "onscreen_delay": 6.73,
      "typing_delay": 6.514,
      "typing_duration": 12.609,
      "wpm": 5,
      "message": "tail "
    },
    {
      "message_id": 476,
      "agent_id": 16,
      "delay": 9.244,
      "onscreen_delay": 4.837,
      "typing_delay": 4.407,
      "typing_duration": 10.084,
      "wpm": 33,
      "message": "ไปชี้อยู่ที่ P ชี้อยู่"
    },
    {
      "message_id": 477,
      "agent_id": 13,
      "delay": 8.058,
      "onscreen_delay": 0,
      "typing_delay": 8.058,
      "typing_duration": 9.733,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 478,
      "agent_id": 14,
      "delay": 5.732,
      "onscreen_delay": 1.572,
      "typing_delay": 4.16,
      "typing_duration": 14.813,
      "wpm": 36,
      "message": "ตรงนี้เมื่อ Head เลื่อนไปที่ Node 20 "
    },
    {
      "message_id": 479,
      "agent_id": 15,
      "delay": 10.81,
      "onscreen_delay": 6.541,
      "typing_delay": 4.269,
      "typing_duration": 16.874,
      "wpm": 15,
      "message": "มันก็จะถูกลบไปโดย"
    },
    {
      "message_id": 480,
      "agent_id": 16,
      "delay": 12.873,
      "onscreen_delay": 6.299,
      "typing_delay": 6.574,
      "typing_duration": 9.863,
      "wpm": 6,
      "message": "โอเค "
    },
    {
      "message_id": 481,
      "agent_id": 13,
      "delay": 8.871,
      "onscreen_delay": 4.17,
      "typing_delay": 4.701,
      "typing_duration": 12.714,
      "wpm": 18,
      "message": "มีกระดาษไหมเอ่ย "
    },
    {
      "message_id": 482,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 483,
      "agent_id": 15,
      "delay": 14.999,
      "onscreen_delay": 4.342,
      "typing_delay": 10.657,
      "typing_duration": 10.657,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 484,
      "agent_id": 16,
      "delay": 10.998,
      "onscreen_delay": 5.567,
      "typing_delay": 5.431,
      "typing_duration": 12.721,
      "wpm": 46,
      "message": "ใครไม่มีกระดาษมาหยิบนะ บางทีมันต้องจดนะ "
    },
    {
      "message_id": 485,
      "agent_id": 13,
      "delay": 8.72,
      "onscreen_delay": 0.477,
      "typing_delay": 8.243,
      "typing_duration": 8.243,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 486,
      "agent_id": 14,
      "delay": 11.977,
      "onscreen_delay": 0,
      "typing_delay": 11.977,
      "typing_duration": 11.977,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 487,
      "agent_id": 15,
      "delay": 7.975,
      "onscreen_delay": 1.31,
      "typing_delay": 6.665,
      "typing_duration": 14.252,
      "wpm": 22,
      "message": "แล้วก็เย็บไว้ด้วยนะคะ "
    },
    {
      "message_id": 488,
      "agent_id": 16,
      "delay": 12.642,
      "onscreen_delay": 0,
      "typing_delay": 12.642,
      "typing_duration": 12.642,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 489,
      "agent_id": 13,
      "delay": 8.953,
      "onscreen_delay": 0,
      "typing_delay": 8.953,
      "typing_duration": 8.953,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 490,
      "agent_id": 14,
      "delay": 8.837,
      "onscreen_delay": 0,
      "typing_delay": 8.837,
      "typing_duration": 8.837,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 491,
      "agent_id": 15,
      "delay": 10.589,
      "onscreen_delay": 0,
      "typing_delay": 10.589,
      "typing_duration": 10.589,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 492,
      "agent_id": 16,
      "delay": 11.93,
      "onscreen_delay": 0,
      "typing_delay": 11.93,
      "typing_duration": 11.93,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 493,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 494,
      "agent_id": 14,
      "delay": 14.999,
      "onscreen_delay": 6.052,
      "typing_delay": 8.947,
      "typing_duration": 8.947,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 495,
      "agent_id": 15,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 496,
      "agent_id": 16,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 497,
      "agent_id": 13,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 498,
      "agent_id": 14,
      "delay": 14.999,
      "onscreen_delay": 5.205,
      "typing_delay": 9.794,
      "typing_duration": 9.794,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 499,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 500,
      "agent_id": 16,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 501,
      "agent_id": 13,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 502,
      "agent_id": 14,
      "delay": 15,
      "onscreen_delay": 6.187,
      "typing_delay": 8.813,
      "typing_duration": 8.813,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 503,
      "agent_id": 15,
      "delay": 14.918,
      "onscreen_delay": 0,
      "typing_delay": 14.918,
      "typing_duration": 14.918,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 504,
      "agent_id": 16,
      "delay": 10.964,
      "onscreen_delay": 0,
      "typing_delay": 10.964,
      "typing_duration": 10.964,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 505,
      "agent_id": 13,
      "delay": 7.253,
      "onscreen_delay": 0,
      "typing_delay": 7.253,
      "typing_duration": 19.002,
      "wpm": 10,
      "message": "ทุกคนได้กระดา"
    },
    {
      "message_id": 506,
      "agent_id": 14,
      "delay": 15,
      "onscreen_delay": 10.478,
      "typing_delay": 4.522,
      "typing_duration": 10.129,
      "wpm": 6,
      "message": "นะคะ "
    },
    {
      "message_id": 507,
      "agent_id": 15,
      "delay": 10.996,
      "onscreen_delay": 2.47,
      "typing_delay": 8.526,
      "typing_duration": 8.526,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 508,
      "agent_id": 16,
      "delay": 8.56,
      "onscreen_delay": 0,
      "typing_delay": 8.56,
      "typing_duration": 8.56,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 509,
      "agent_id": 13,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 510,
      "agent_id": 14,
      "delay": 14.997,
      "onscreen_delay": 8.862,
      "typing_delay": 6.135,
      "typing_duration": 12.757,
      "wpm": 28,
      "message": "ครูมี LinkList มาให้นะคะ "
    },
    {
      "message_id": 511,
      "agent_id": 15,
      "delay": 10.993,
      "onscreen_delay": 6.343,
      "typing_delay": 4.65,
      "typing_duration": 19,
      "wpm": 12,
      "message": "4 Node ครูมี Li"
    },
    {
      "message_id": 512,
      "agent_id": 16,
      "delay": 14.998,
      "onscreen_delay": 10.314,
      "typing_delay": 4.684,
      "typing_duration": 11.559,
      "wpm": 25,
      "message": "ที่เชื่อมกันไป Node "
    },
    {
      "message_id": 513,
      "agent_id": 13,
      "delay": 10.997,
      "onscreen_delay": 6.479,
      "typing_delay": 4.518,
      "typing_duration": 17.779,
      "wpm": 13,
      "message": "มี 1 Node ที่ 2 "
    },
    {
      "message_id": 514,
      "agent_id": 14,
      "delay": 13.777,
      "onscreen_delay": 9.122,
      "typing_delay": 4.655,
      "typing_duration": 12.849,
      "wpm": 30,
      "message": "มีค่า 3 Node ที่ 4 มีค่า 4 "
    },
    {
      "message_id": 515,
      "agent_id": 15,
      "delay": 9.777,
      "onscreen_delay": 5.357,
      "typing_delay": 4.42,
      "typing_duration": 17.612,
      "wpm": 19,
      "message": "ครูกำหนด Head กับ Tail "
    },
    {
      "message_id": 516,
      "agent_id": 16,
      "delay": 13.611,
      "onscreen_delay": 8.76,
      "typing_delay": 4.851,
      "typing_duration": 11.259,
      "wpm": 40,
      "message": "นะคะ ลองทำแบบฝึกหัดให้ครูหน่อย "
    },
    {
      "message_id": 517,
      "agent_id": 13,
      "delay": 9.61,
      "onscreen_delay": 3.766,
      "typing_delay": 5.844,
      "typing_duration": 12.469,
      "wpm": 10,
      "message": "ข้อที่ 1 "
    },
    {
      "message_id": 518,
      "agent_id": 14,
      "delay": 8.469,
      "onscreen_delay": 4.321,
      "typing_delay": 4.148,
      "typing_duration": 13.599,
      "wpm": 34,
      "message": "ครูต้องการเพิ่ม Node ใหม่เข้าไป"
    },
    {
      "message_id": 519,
      "agent_id": 15,
      "delay": 9.598,
      "onscreen_delay": 5.498,
      "typing_delay": 4.1,
      "typing_duration": 13.795,
      "wpm": 18,
      "message": "ที่ท้าย List นะคะ "
    },
    {
      "message_id": 520,
      "agent_id": 16,
      "delay": 9.794,
      "onscreen_delay": 3.475,
      "typing_delay": 6.319,
      "typing_duration": 13.274,
      "wpm": 37,
      "message": "เพิ่ม node ใหม่เข้าไปที่ท้าย list "
    },
    {
      "message_id": 521,
      "agent_id": 13,
      "delay": 9.274,
      "onscreen_delay": 3.616,
      "typing_delay": 5.658,
      "typing_duration": 17.821,
      "wpm": 21,
      "message": "โดยที่ Node ใหม่ที่ Queue "
    },
    {
      "message_id": 522,
      "agent_id": 14,
      "delay": 13.819,
      "onscreen_delay": 9.504,
      "typing_delay": 4.315,
      "typing_duration": 10.632,
      "wpm": 38,
      "message": "คือ Queue ชี้อยู่ ทำอย่างไร "
    },
    {
      "message_id": 523,
      "agent_id": 15,
      "delay": 9.819,
      "onscreen_delay": 5.121,
      "typing_delay": 4.698,
      "typing_duration": 15.407,
      "wpm": 21,
      "message": "วาดรูป ถูกไหมคะ แล้วก็"
    },
    {
      "message_id": 524,
      "agent_id": 16,
      "delay": 11.404,
      "onscreen_delay": 6.187,
      "typing_delay": 5.217,
      "typing_duration": 11.811,
      "wpm": 24,
      "message": "เอา 5 ไปต่อด้านหลัง "
    },
    {
      "message_id": 525,
      "agent_id": 13,
      "delay": 7.809,
      "onscreen_delay": 3.382,
      "typing_delay": 4.427,
      "typing_duration": 15.666,
      "wpm": 33,
      "message": "แล้วเขียนคำสั่งของเส้นที่เราเชื่อม "
    },
    {
      "message_id": 526,
      "agent_id": 14,
      "delay": 11.666,
      "onscreen_delay": 7.556,
      "typing_delay": 4.11,
      "typing_duration": 15.547,
      "wpm": 35,
      "message": "ระหว่างโหนดข้อมูล 4 กับ โหนดข้อมูล 5 "
    },
    {
      "message_id": 527,
      "agent_id": 15,
      "delay": 11.542,
      "onscreen_delay": 6.787,
      "typing_delay": 4.755,
      "typing_duration": 12.717,
      "wpm": 28,
      "message": "ใช้คำสั่งอะไรในการเชื่อม "
    },
    {
      "message_id": 528,
      "agent_id": 16,
      "delay": 8.717,
      "onscreen_delay": 2.38,
      "typing_delay": 6.337,
      "typing_duration": 9.979,
      "wpm": 17,
      "message": "เชื่อมเสร็จ "
    },
    {
      "message_id": 529,
      "agent_id": 13,
      "delay": 5.978,
      "onscreen_delay": 1.15,
      "typing_delay": 4.828,
      "typing_duration": 13.181,
      "wpm": 26,
      "message": "Tail ต้องอยู่ที่ไหนนะคะ "
    },
    {
      "message_id": 530,
      "agent_id": 14,
      "delay": 9.18,
      "onscreen_delay": 2.479,
      "typing_delay": 6.701,
      "typing_duration": 11.442,
      "wpm": 22,
      "message": "อันนี้คือข้อที่ 1 "
    },
    {
      "message_id": 531,
      "agent_id": 15,
      "delay": 7.442,
      "onscreen_delay": 2.911,
      "typing_delay": 4.531,
      "typing_duration": 15.569,
      "wpm": 24,
      "message": "ข้อที่ 2 นะคะ ลบข้อมูลต้น "
    },
    {
      "message_id": 532,
      "agent_id": 16,
      "delay": 11.567,
      "onscreen_delay": 6.846,
      "typing_delay": 4.721,
      "typing_duration": 12.321,
      "wpm": 5,
      "message": "list "
    },
    {
      "message_id": 533,
      "agent_id": 13,
      "delay": 8.32,
      "onscreen_delay": 3.595,
      "typing_delay": 4.725,
      "typing_duration": 12.917,
      "wpm": 31,
      "message": "ลบข้อมูลต้น List ลบอย่างไหน "
    },
    {
      "message_id": 534,
      "agent_id": 14,
      "delay": 8.915,
      "onscreen_delay": 4.037,
      "typing_delay": 4.878,
      "typing_duration": 16.56,
      "wpm": 37,
      "message": "ก็เลื่อน Head ไปยัง Node ถัดไปเท่านั้นเอง "
    },
    {
      "message_id": 535,
      "agent_id": 15,
      "delay": 12.559,
      "onscreen_delay": 1.906,
      "typing_delay": 10.653,
      "typing_duration": 10.653,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 536,
      "agent_id": 16,
      "delay": 8.556,
      "onscreen_delay": 3.075,
      "typing_delay": 5.481,
      "typing_duration": 9.343,
      "wpm": 26,
      "message": "ก็วาดรูปใช่ไหมคะ "
    },
    {
      "message_id": 537,
      "agent_id": 13,
      "delay": 5.342,
      "onscreen_delay": 0.856,
      "typing_delay": 4.486,
      "typing_duration": 12.612,
      "wpm": 26,
      "message": "เราลบต้น List ออก แล้ว "
    },
    {
      "message_id": 538,
      "agent_id": 14,
      "delay": 8.611,
      "onscreen_delay": 3.319,
      "typing_delay": 5.292,
      "typing_duration": 13.381,
      "wpm": 38,
      "message": "Head จะไปชี้อยู่ที่ไหน เลื่อน Head "
    },
    {
      "message_id": 539,
      "agent_id": 15,
      "delay": 9.38,
      "onscreen_delay": 5.22,
      "typing_delay": 4.16,
      "typing_duration": 11.387,
      "wpm": 30,
      "message": "ด้วยคำสั่งอะไร 2 ข้อค่ะ "
    },
    {
      "message_id": 540,
      "agent_id": 16,
      "delay": 7.387,
      "onscreen_delay": 2.733,
      "typing_delay": 4.654,
      "typing_duration": 9.756,
      "wpm": 20,
      "message": "ลองทำในกระดาษ "
    },
    {
      "message_id": 541,
      "agent_id": 13,
      "delay": 16.394,
      "onscreen_delay": 0,
      "typing_delay": 16.394,
      "typing_duration": 16.394,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 542,
      "agent_id": 14,
      "delay": 12.393,
      "onscreen_delay": 5.616,
      "typing_delay": 6.777,
      "typing_duration": 11.751,
      "wpm": 11,
      "message": "ให้วาดรูป"
    },
    {
      "message_id": 543,
      "agent_id": 15,
      "delay": 8.391,
      "onscreen_delay": 4.321,
      "typing_delay": 4.07,
      "typing_duration": 11.439,
      "wpm": 34,
      "message": "ก่อนนะคะ แล้วก็เขียนคำสั่ง"
    },
    {
      "message_id": 544,
      "agent_id": 16,
      "delay": 8.447,
      "onscreen_delay": 0,
      "typing_delay": 8.447,
      "typing_duration": 8.447,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 545,
      "agent_id": 13,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 546,
      "agent_id": 14,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 547,
      "agent_id": 15,
      "delay": 14.998,
      "onscreen_delay": 3.922,
      "typing_delay": 11.076,
      "typing_duration": 11.076,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 548,
      "agent_id": 16,
      "delay": 10.996,
      "onscreen_delay": 2.449,
      "typing_delay": 8.547,
      "typing_duration": 13.408,
      "wpm": 17,
      "message": "ลอกโจทย์ไว้ก่อน "
    },
    {
      "message_id": 549,
      "agent_id": 13,
      "delay": 9.403,
      "onscreen_delay": 3.675,
      "typing_delay": 5.728,
      "typing_duration": 17.027,
      "wpm": 14,
      "message": "ลอกโจทย์รูปบนสุด "
    },
    {
      "message_id": 550,
      "agent_id": 14,
      "delay": 13.025,
      "onscreen_delay": 8.125,
      "typing_delay": 4.9,
      "typing_duration": 12.874,
      "wpm": 36,
      "message": "ข้อ 1 ครูให้ใช้คำสั่งอะไร ข้อ 1 "
    },
    {
      "message_id": 551,
      "agent_id": 15,
      "delay": 9.024,
      "onscreen_delay": 4.139,
      "typing_delay": 4.885,
      "typing_duration": 13.134,
      "wpm": 9,
      "message": "ลอกโจทย์ "
    },
    {
      "message_id": 552,
      "agent_id": 16,
      "delay": 9.133,
      "onscreen_delay": 4.505,
      "typing_delay": 4.628,
      "typing_duration": 12.021,
      "wpm": 42,
      "message": "ค่อยวาดรูปการเชื่อม การเขียนคำสั่ง "
    },
    {
      "message_id": 553,
      "agent_id": 13,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 554,
      "agent_id": 14,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 555,
      "agent_id": 15,
      "delay": 15.001,
      "onscreen_delay": 6.134,
      "typing_delay": 8.867,
      "typing_duration": 8.867,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 556,
      "agent_id": 16,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 557,
      "agent_id": 13,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 558,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 559,
      "agent_id": 15,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 560,
      "agent_id": 16,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 561,
      "agent_id": 13,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 562,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 563,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 564,
      "agent_id": 16,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 565,
      "agent_id": 13,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 566,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 567,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 568,
      "agent_id": 16,
      "delay": 14.999,
      "onscreen_delay": 4.368,
      "typing_delay": 10.631,
      "typing_duration": 10.631,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 569,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 570,
      "agent_id": 14,
      "delay": 15.918,
      "onscreen_delay": 0,
      "typing_delay": 15.918,
      "typing_duration": 15.918,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 571,
      "agent_id": 15,
      "delay": 11.916,
      "onscreen_delay": 0.867,
      "typing_delay": 11.049,
      "typing_duration": 13.149,
      "wpm": 8,
      "message": "คราวนี้"
    },
    {
      "message_id": 572,
      "agent_id": 16,
      "delay": 9.146,
      "onscreen_delay": 4.073,
      "typing_delay": 5.073,
      "typing_duration": 12.327,
      "wpm": 41,
      "message": "พอลอกโจทย์เสร็จ วาดรูปนี้เสร็จแล้ว "
    },
    {
      "message_id": 573,
      "agent_id": 13,
      "delay": 8.325,
      "onscreen_delay": 4.027,
      "typing_delay": 4.298,
      "typing_duration": 12.977,
      "wpm": 32,
      "message": "มาทำข้อที่ 1 ลอกโจทย์ไว้ก่อน "
    },
    {
      "message_id": 574,
      "agent_id": 14,
      "delay": 8.976,
      "onscreen_delay": 4.739,
      "typing_delay": 4.237,
      "typing_duration": 10.885,
      "wpm": 37,
      "message": "เพิ่ม Node ใหม่ที่ท้าย List "
    },
    {
      "message_id": 575,
      "agent_id": 15,
      "delay": 6.882,
      "onscreen_delay": 1.99,
      "typing_delay": 4.892,
      "typing_duration": 18.597,
      "wpm": 31,
      "message": "ก็คือลอกโจทย์ไปก่อน แล้วก็มี Node ใหม่"
    },
    {
      "message_id": 576,
      "agent_id": 16,
      "delay": 14.597,
      "onscreen_delay": 9.835,
      "typing_delay": 4.762,
      "typing_duration": 19.001,
      "wpm": 6,
      "message": "ใช่ไหมคะ "
    },
    {
      "message_id": 577,
      "agent_id": 13,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 578,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 579,
      "agent_id": 15,
      "delay": 15,
      "onscreen_delay": 4.144,
      "typing_delay": 10.856,
      "typing_duration": 10.856,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 580,
      "agent_id": 16,
      "delay": 10.998,
      "onscreen_delay": 2.894,
      "typing_delay": 8.104,
      "typing_duration": 11.674,
      "wpm": 13,
      "message": "พอลอกโจทย์"
    },
    {
      "message_id": 581,
      "agent_id": 13,
      "delay": 7.672,
      "onscreen_delay": 1.292,
      "typing_delay": 6.38,
      "typing_duration": 12.758,
      "wpm": 24,
      "message": "เสร็จแล้ว เราก็มาวาด "
    },
    {
      "message_id": 582,
      "agent_id": 14,
      "delay": 8.757,
      "onscreen_delay": 4.032,
      "typing_delay": 4.725,
      "typing_duration": 10.668,
      "wpm": 32,
      "message": "Node ให้มันเชื่อมต่อกัน "
    },
    {
      "message_id": 583,
      "agent_id": 15,
      "delay": 8.919,
      "onscreen_delay": 0,
      "typing_delay": 8.919,
      "typing_duration": 8.919,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 584,
      "agent_id": 16,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 585,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 586,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 587,
      "agent_id": 15,
      "delay": 15,
      "onscreen_delay": 4.047,
      "typing_delay": 10.953,
      "typing_duration": 10.953,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 588,
      "agent_id": 16,
      "delay": 10.999,
      "onscreen_delay": 5.452,
      "typing_delay": 5.547,
      "typing_duration": 15.655,
      "wpm": 15,
      "message": "เราก็เชื่อม Node "
    },
    {
      "message_id": 589,
      "agent_id": 13,
      "delay": 11.653,
      "onscreen_delay": 7.413,
      "typing_delay": 4.24,
      "typing_duration": 15.292,
      "wpm": 28,
      "message": "เราก็เชื่อม Node ให้มันต่อกัน "
    },
    {
      "message_id": 590,
      "agent_id": 14,
      "delay": 11.29,
      "onscreen_delay": 6.982,
      "typing_delay": 4.308,
      "typing_duration": 11.933,
      "wpm": 55,
      "message": "ถูกไหมคะ การเชื่อมตรงนี้จะเขียนคำสั่งว่าอะไร "
    },
    {
      "message_id": 591,
      "agent_id": 15,
      "delay": 8.854,
      "onscreen_delay": 0,
      "typing_delay": 8.854,
      "typing_duration": 8.854,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 592,
      "agent_id": 16,
      "delay": 8.462,
      "onscreen_delay": 0,
      "typing_delay": 8.462,
      "typing_duration": 8.462,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 593,
      "agent_id": 13,
      "delay": 8.861,
      "onscreen_delay": 0,
      "typing_delay": 8.861,
      "typing_duration": 8.861,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 594,
      "agent_id": 14,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 595,
      "agent_id": 15,
      "delay": 14.996,
      "onscreen_delay": 1.177,
      "typing_delay": 13.819,
      "typing_duration": 13.819,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 596,
      "agent_id": 16,
      "delay": 10.992,
      "onscreen_delay": 0.8,
      "typing_delay": 10.192,
      "typing_duration": 10.192,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 597,
      "agent_id": 13,
      "delay": 6.99,
      "onscreen_delay": 0.918,
      "typing_delay": 6.072,
      "typing_duration": 11.718,
      "wpm": 27,
      "message": "คำสั่งแรกเขียนว่าอะไร "
    },
    {
      "message_id": 598,
      "agent_id": 14,
      "delay": 7.715,
      "onscreen_delay": 3.578,
      "typing_delay": 4.137,
      "typing_duration": 10.785,
      "wpm": 24,
      "message": "แล้วก็คำสั่งที่ 2 "
    },
    {
      "message_id": 599,
      "agent_id": 15,
      "delay": 6.784,
      "onscreen_delay": 0.769,
      "typing_delay": 6.015,
      "typing_duration": 16.72,
      "wpm": 27,
      "message": "คำสั่งแรกเป็นอะไรคะ เส้นเชื่อม "
    },
    {
      "message_id": 600,
      "agent_id": 16,
      "delay": 12.72,
      "onscreen_delay": 6.621,
      "typing_delay": 6.099,
      "typing_duration": 12.864,
      "wpm": 33,
      "message": "คำสั่งที่ 2 ก็คือเลื่อน tail"
    },
    {
      "message_id": 601,
      "agent_id": 13,
      "delay": 8.862,
      "onscreen_delay": 0.347,
      "typing_delay": 8.515,
      "typing_duration": 8.515,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 602,
      "agent_id": 14,
      "delay": 9.265,
      "onscreen_delay": 0,
      "typing_delay": 9.265,
      "typing_duration": 9.265,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 603,
      "agent_id": 15,
      "delay": 9.089,
      "onscreen_delay": 0,
      "typing_delay": 9.089,
      "typing_duration": 9.089,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 604,
      "agent_id": 16,
      "delay": 19.005,
      "onscreen_delay": 0,
      "typing_delay": 19.005,
      "typing_duration": 19.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 605,
      "agent_id": 13,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 606,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 607,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 608,
      "agent_id": 16,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 609,
      "agent_id": 13,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 610,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 611,
      "agent_id": 15,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 612,
      "agent_id": 16,
      "delay": 15.002,
      "onscreen_delay": 6.335,
      "typing_delay": 8.667,
      "typing_duration": 8.667,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 613,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 614,
      "agent_id": 14,
      "delay": 14.998,
      "onscreen_delay": 6.186,
      "typing_delay": 8.812,
      "typing_duration": 8.812,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 615,
      "agent_id": 15,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 616,
      "agent_id": 16,
      "delay": 15.214,
      "onscreen_delay": 0,
      "typing_delay": 15.214,
      "typing_duration": 15.214,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 617,
      "agent_id": 13,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 618,
      "agent_id": 14,
      "delay": 14.998,
      "onscreen_delay": 8.247,
      "typing_delay": 6.751,
      "typing_duration": 13.75,
      "wpm": 32,
      "message": "ถ้าใครเสร็จข้อที่ 1 เสร็จแล้ว "
    },
    {
      "message_id": 619,
      "agent_id": 15,
      "delay": 10.994,
      "onscreen_delay": 2.713,
      "typing_delay": 8.281,
      "typing_duration": 13.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 620,
      "agent_id": 16,
      "delay": 9,
      "onscreen_delay": 4.787,
      "typing_delay": 4.213,
      "typing_duration": 11.991,
      "wpm": 40,
      "message": "ข้อที่ 2 ครูเอาข้อมูลที่ต้น list "
    },
    {
      "message_id": 621,
      "agent_id": 13,
      "delay": 7.991,
      "onscreen_delay": 3.502,
      "typing_delay": 4.489,
      "typing_duration": 14.41,
      "wpm": 30,
      "message": "เราก็วาดรูปนะคะ ผลลัพธ์ที่ได้"
    },
    {
      "message_id": 622,
      "agent_id": 14,
      "delay": 10.408,
      "onscreen_delay": 6.214,
      "typing_delay": 4.194,
      "typing_duration": 18.241,
      "wpm": 39,
      "message": "เป็นอย่างไร เป็นรูปนี้ Head มันมาได้อย่างไร Head "
    },
    {
      "message_id": 623,
      "agent_id": 15,
      "delay": 14.231,
      "onscreen_delay": 9.187,
      "typing_delay": 5.044,
      "typing_duration": 18.937,
      "wpm": 23,
      "message": "มันมาได้อย่างไร Head มันมาได้ "
    },
    {
      "message_id": 624,
      "agent_id": 16,
      "delay": 14.936,
      "onscreen_delay": 9.355,
      "typing_delay": 5.581,
      "typing_duration": 14.14,
      "wpm": 34,
      "message": "ต้องเขียนคำสั่งของการเลื่อน head "
    },
    {
      "message_id": 625,
      "agent_id": 13,
      "delay": 10.934,
      "onscreen_delay": 6.206,
      "typing_delay": 4.728,
      "typing_duration": 9.413,
      "wpm": 25,
      "message": "ไปยัง Node ถัดไป "
    },
    {
      "message_id": 626,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 627,
      "agent_id": 15,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 628,
      "agent_id": 16,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 629,
      "agent_id": 13,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 630,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 631,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 632,
      "agent_id": 16,
      "delay": 14.999,
      "onscreen_delay": 5.187,
      "typing_delay": 9.812,
      "typing_duration": 9.812,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 633,
      "agent_id": 13,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 634,
      "agent_id": 14,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 635,
      "agent_id": 15,
      "delay": 19.005,
      "onscreen_delay": 0,
      "typing_delay": 19.005,
      "typing_duration": 19.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 636,
      "agent_id": 16,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 637,
      "agent_id": 13,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 638,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 639,
      "agent_id": 15,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 640,
      "agent_id": 16,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 641,
      "agent_id": 13,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 642,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 643,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 644,
      "agent_id": 16,
      "delay": 17.976,
      "onscreen_delay": 0,
      "typing_delay": 17.976,
      "typing_duration": 17.976,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 645,
      "agent_id": 13,
      "delay": 19.016,
      "onscreen_delay": 0,
      "typing_delay": 19.016,
      "typing_duration": 19.016,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 646,
      "agent_id": 14,
      "delay": 15.286,
      "onscreen_delay": 0,
      "typing_delay": 15.286,
      "typing_duration": 15.286,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 647,
      "agent_id": 15,
      "delay": 11.285,
      "onscreen_delay": 5.115,
      "typing_delay": 6.17,
      "typing_duration": 15.662,
      "wpm": 22,
      "message": "ข้อ 1 นะคะ จะต้องมีอยู่ "
    },
    {
      "message_id": 648,
      "agent_id": 16,
      "delay": 11.66,
      "onscreen_delay": 6.749,
      "typing_delay": 4.911,
      "typing_duration": 11.223,
      "wpm": 27,
      "message": "2 คำสั่ง คำสั่งที่ 1 "
    },
    {
      "message_id": 649,
      "agent_id": 13,
      "delay": 7.658,
      "onscreen_delay": 3.4,
      "typing_delay": 4.258,
      "typing_duration": 18.031,
      "wpm": 29,
      "message": "ก็คือเส้นเชื่อมใช่ไหมคะ คำสั่งที่ 2 "
    },
    {
      "message_id": 650,
      "agent_id": 14,
      "delay": 14.029,
      "onscreen_delay": 9.675,
      "typing_delay": 4.354,
      "typing_duration": 17.735,
      "wpm": 39,
      "message": "ก็ต้องเลื่อน Tail นะคะ เพราะเราต้องข้างหลังน่ะ "
    },
    {
      "message_id": 651,
      "agent_id": 15,
      "delay": 13.733,
      "onscreen_delay": 7.21,
      "typing_delay": 6.523,
      "typing_duration": 17.458,
      "wpm": 26,
      "message": "Node มันคงไม่ใช่ Node เดิมแล้ว "
    },
    {
      "message_id": 652,
      "agent_id": 16,
      "delay": 13.457,
      "onscreen_delay": 7.914,
      "typing_delay": 5.543,
      "typing_duration": 12.066,
      "wpm": 32,
      "message": "ก็ต้องเลื่อน tail ไปที่ไหน "
    },
    {
      "message_id": 653,
      "agent_id": 13,
      "delay": 9.456,
      "onscreen_delay": 0.949,
      "typing_delay": 8.507,
      "typing_duration": 8.507,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 654,
      "agent_id": 14,
      "delay": 19.005,
      "onscreen_delay": 0,
      "typing_delay": 19.005,
      "typing_duration": 19.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 655,
      "agent_id": 15,
      "delay": 15.005,
      "onscreen_delay": 6.176,
      "typing_delay": 8.829,
      "typing_duration": 8.829,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 656,
      "agent_id": 16,
      "delay": 11.003,
      "onscreen_delay": 2.157,
      "typing_delay": 8.846,
      "typing_duration": 8.846,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 657,
      "agent_id": 13,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 658,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 659,
      "agent_id": 15,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 660,
      "agent_id": 16,
      "delay": 14.999,
      "onscreen_delay": 5.334,
      "typing_delay": 9.665,
      "typing_duration": 9.665,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 661,
      "agent_id": 13,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 662,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 663,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 664,
      "agent_id": 16,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 665,
      "agent_id": 13,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 666,
      "agent_id": 14,
      "delay": 14.999,
      "onscreen_delay": 6.269,
      "typing_delay": 8.73,
      "typing_duration": 8.73,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 667,
      "agent_id": 15,
      "delay": 10.999,
      "onscreen_delay": 2.643,
      "typing_delay": 8.356,
      "typing_duration": 12.853,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 668,
      "agent_id": 16,
      "delay": 8.851,
      "onscreen_delay": 3.312,
      "typing_delay": 5.539,
      "typing_duration": 8.633,
      "wpm": 35,
      "message": "ในการเขียนคำสั่งนะคะ "
    },
    {
      "message_id": 669,
      "agent_id": 13,
      "delay": 5.204,
      "onscreen_delay": 0,
      "typing_delay": 5.204,
      "typing_duration": 16.251,
      "wpm": 12,
      "message": "ต้องดูด้วยว่า "
    },
    {
      "message_id": 670,
      "agent_id": 14,
      "delay": 12.235,
      "onscreen_delay": 8.213,
      "typing_delay": 4.022,
      "typing_duration": 11.329,
      "wpm": 44,
      "message": "ทำคำสั่งไหนก่อน คำสั่งไหนหลังนะคะ "
    },
    {
      "message_id": 671,
      "agent_id": 15,
      "delay": 8.223,
      "onscreen_delay": 4.012,
      "typing_delay": 4.211,
      "typing_duration": 15.061,
      "wpm": 37,
      "message": "ถ้าเขียนสลับ ความหมายก็จะเปลี่ยนทันที"
    },
    {
      "message_id": 672,
      "agent_id": 16,
      "delay": 11.06,
      "onscreen_delay": 5.975,
      "typing_delay": 5.085,
      "typing_duration": 10.539,
      "wpm": 31,
      "message": "นะคะ เราต้องเชื่อมก่อน "
    },
    {
      "message_id": 673,
      "agent_id": 13,
      "delay": 7.058,
      "onscreen_delay": 1.773,
      "typing_delay": 5.285,
      "typing_duration": 11.237,
      "wpm": 28,
      "message": "เราต้องเชื่อมก่อนนะคะ "
    },
    {
      "message_id": 674,
      "agent_id": 14,
      "delay": 7.236,
      "onscreen_delay": 3.047,
      "typing_delay": 4.189,
      "typing_duration": 11.462,
      "wpm": 25,
      "message": "แล้วค่อยเลื่อน Tail "
    },
    {
      "message_id": 675,
      "agent_id": 15,
      "delay": 7.46,
      "onscreen_delay": 1.349,
      "typing_delay": 6.111,
      "typing_duration": 12.747,
      "wpm": 29,
      "message": "เราต้องวาดเส้นนี้ก่อนนะคะ "
    },
    {
      "message_id": 676,
      "agent_id": 16,
      "delay": 8.745,
      "onscreen_delay": 2.525,
      "typing_delay": 6.22,
      "typing_duration": 12.147,
      "wpm": 32,
      "message": "ต้องวาดเส้นที่เชื่อมก่อน ง"
    },
    {
      "message_id": 677,
      "agent_id": 13,
      "delay": 8.146,
      "onscreen_delay": 3.15,
      "typing_delay": 4.996,
      "typing_duration": 15.66,
      "wpm": 26,
      "message": "เชื่อมได้แล้ว ต่อยขยับ Tail"
    },
    {
      "message_id": 678,
      "agent_id": 14,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 679,
      "agent_id": 15,
      "delay": 19.005,
      "onscreen_delay": 0,
      "typing_delay": 19.005,
      "typing_duration": 19.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 680,
      "agent_id": 16,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 681,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 682,
      "agent_id": 14,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 683,
      "agent_id": 15,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 684,
      "agent_id": 16,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 685,
      "agent_id": 13,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 686,
      "agent_id": 14,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 687,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 688,
      "agent_id": 16,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 689,
      "agent_id": 13,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 690,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 5.48,
      "typing_delay": 9.521,
      "typing_duration": 9.521,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 691,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 692,
      "agent_id": 16,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 693,
      "agent_id": 13,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 694,
      "agent_id": 14,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 695,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 696,
      "agent_id": 16,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 697,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 698,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 699,
      "agent_id": 15,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 700,
      "agent_id": 16,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 701,
      "agent_id": 13,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 702,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 703,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 704,
      "agent_id": 16,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 705,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 706,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 707,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 708,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 5.88,
      "typing_delay": 9.121,
      "typing_duration": 9.121,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 709,
      "agent_id": 13,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 710,
      "agent_id": 14,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 711,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 712,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 6.523,
      "typing_delay": 8.478,
      "typing_duration": 8.478,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 713,
      "agent_id": 13,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 714,
      "agent_id": 14,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 715,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 716,
      "agent_id": 16,
      "delay": 16.297,
      "onscreen_delay": 0,
      "typing_delay": 16.297,
      "typing_duration": 16.297,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 717,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 718,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 719,
      "agent_id": 15,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 720,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 5.847,
      "typing_delay": 9.154,
      "typing_duration": 9.154,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 721,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 722,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 723,
      "agent_id": 15,
      "delay": 14.998,
      "onscreen_delay": 3.222,
      "typing_delay": 11.776,
      "typing_duration": 11.776,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 724,
      "agent_id": 16,
      "delay": 10.998,
      "onscreen_delay": 2.962,
      "typing_delay": 8.036,
      "typing_duration": 10.635,
      "wpm": 17,
      "message": "มาดูพร้อมกัน "
    },
    {
      "message_id": 725,
      "agent_id": 13,
      "delay": 7.354,
      "onscreen_delay": 0,
      "typing_delay": 7.354,
      "typing_duration": 16.568,
      "wpm": 22,
      "message": "ข้อ 1 ถูกไหมคะ ครูบอกว่า "
    },
    {
      "message_id": 726,
      "agent_id": 14,
      "delay": 12.567,
      "onscreen_delay": 8.16,
      "typing_delay": 4.407,
      "typing_duration": 15.528,
      "wpm": 35,
      "message": "ให้เพิ่ม Node ใหม่ไปที่ท้าย LinkList "
    },
    {
      "message_id": 727,
      "agent_id": 15,
      "delay": 11.527,
      "onscreen_delay": 5.828,
      "typing_delay": 5.699,
      "typing_duration": 19.001,
      "wpm": 23,
      "message": "เพิ่ม Node ใหม่ไปที่ท้าย Link "
    },
    {
      "message_id": 728,
      "agent_id": 16,
      "delay": 14.999,
      "onscreen_delay": 8.72,
      "typing_delay": 6.279,
      "typing_duration": 12.785,
      "wpm": 31,
      "message": "ครูให้เขียนคำสั่ง ใช่ไหมคะ "
    },
    {
      "message_id": 729,
      "agent_id": 13,
      "delay": 10.999,
      "onscreen_delay": 4.582,
      "typing_delay": 6.417,
      "typing_duration": 13.829,
      "wpm": 20,
      "message": "เราจะเชื่อมระหว่าง "
    },
    {
      "message_id": 730,
      "agent_id": 14,
      "delay": 9.825,
      "onscreen_delay": 4.054,
      "typing_delay": 5.771,
      "typing_duration": 12.995,
      "wpm": 32,
      "message": "Node 4 กับ Node 5 ได้อย่างไร "
    },
    {
      "message_id": 731,
      "agent_id": 15,
      "delay": 8.982,
      "onscreen_delay": 4.714,
      "typing_delay": 4.268,
      "typing_duration": 19.001,
      "wpm": 21,
      "message": "ข้อแรกก็คือต้องเชื่อม Node  "
    },
    {
      "message_id": 732,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 9.824,
      "typing_delay": 5.177,
      "typing_duration": 10.603,
      "wpm": 21,
      "message": "จะใช้คำสั่งอะไร "
    },
    {
      "message_id": 733,
      "agent_id": 13,
      "delay": 11,
      "onscreen_delay": 6.558,
      "typing_delay": 4.442,
      "typing_duration": 18.539,
      "wpm": 33,
      "message": "เรารู้ว่า นี่ เราเชื่อม Node 4 กับ Node 5 "
    },
    {
      "message_id": 734,
      "agent_id": 14,
      "delay": 14.538,
      "onscreen_delay": 7.811,
      "typing_delay": 6.727,
      "typing_duration": 16.737,
      "wpm": 37,
      "message": "เราจะสั่งให้คอมพิวเตอร์นี่เพิ่มได้อย่างไร"
    },
    {
      "message_id": 735,
      "agent_id": 15,
      "delay": 12.735,
      "onscreen_delay": 8.342,
      "typing_delay": 4.393,
      "typing_duration": 13.334,
      "wpm": 21,
      "message": "นะคะ เราก็ลองทำก่อน "
    },
    {
      "message_id": 736,
      "agent_id": 16,
      "delay": 9.333,
      "onscreen_delay": 2.463,
      "typing_delay": 6.87,
      "typing_duration": 11.994,
      "wpm": 29,
      "message": "ก็คือเราก็ลากเส้นแบบนี้ "
    },
    {
      "message_id": 737,
      "agent_id": 13,
      "delay": 7.994,
      "onscreen_delay": 3.124,
      "typing_delay": 4.87,
      "typing_duration": 14.757,
      "wpm": 26,
      "message": "เส้นนี้ คือเส้นใหม่ ที่เรา"
    },
    {
      "message_id": 738,
      "agent_id": 14,
      "delay": 10.755,
      "onscreen_delay": 6.652,
      "typing_delay": 4.103,
      "typing_duration": 10.493,
      "wpm": 49,
      "message": "จะต้องเชื่อมระหว่าง 2 Node นี้นะคะ "
    },
    {
      "message_id": 739,
      "agent_id": 15,
      "delay": 6.744,
      "onscreen_delay": 2.072,
      "typing_delay": 4.672,
      "typing_duration": 17.274,
      "wpm": 41,
      "message": "เราจะเขียนคำสั่งเพื่อสร้างเส้นเชื่อมเส้นนี้นะคะ "
    },
    {
      "message_id": 740,
      "agent_id": 16,
      "delay": 13.271,
      "onscreen_delay": 8.908,
      "typing_delay": 4.363,
      "typing_duration": 9.986,
      "wpm": 27,
      "message": "เส้นนี้ เราจะเขียน"
    },
    {
      "message_id": 741,
      "agent_id": 13,
      "delay": 9.271,
      "onscreen_delay": 4.862,
      "typing_delay": 4.409,
      "typing_duration": 16.196,
      "wpm": 31,
      "message": "คำสั่งเพื่อสร้างเส้นเชื่อมเส้นนี้ "
    },
    {
      "message_id": 742,
      "agent_id": 14,
      "delay": 12.195,
      "onscreen_delay": 7.404,
      "typing_delay": 4.791,
      "typing_duration": 14.832,
      "wpm": 18,
      "message": "เราจะใช้คำสั่งอะไร "
    },
    {
      "message_id": 743,
      "agent_id": 15,
      "delay": 10.831,
      "onscreen_delay": 6.583,
      "typing_delay": 4.248,
      "typing_duration": 12.465,
      "wpm": 5,
      "message": "อะไร "
    },
    {
      "message_id": 744,
      "agent_id": 16,
      "delay": 8.465,
      "onscreen_delay": 2.031,
      "typing_delay": 6.434,
      "typing_duration": 14.974,
      "wpm": 24,
      "message": "Node นี้มันออกมาจาก Node "
    },
    {
      "message_id": 745,
      "agent_id": 13,
      "delay": 10.972,
      "onscreen_delay": 5.665,
      "typing_delay": 5.307,
      "typing_duration": 12.869,
      "wpm": 19,
      "message": "มี Tail ใช่ไหมคะ "
    },
    {
      "message_id": 746,
      "agent_id": 14,
      "delay": 8.869,
      "onscreen_delay": 3.912,
      "typing_delay": 4.957,
      "typing_duration": 16.455,
      "wpm": 35,
      "message": "นี่จะอ้างถึงโหนดนี้ ต้องหาตัวชี้ให้ได้ "
    },
    {
      "message_id": 747,
      "agent_id": 15,
      "delay": 12.451,
      "onscreen_delay": 6.747,
      "typing_delay": 5.704,
      "typing_duration": 17.037,
      "wpm": 28,
      "message": "Node นี้มี tail ชี้อยู่ ถูกไหมคะ "
    },
    {
      "message_id": 748,
      "agent_id": 16,
      "delay": 13.037,
      "onscreen_delay": 8.537,
      "typing_delay": 4.5,
      "typing_duration": 11.591,
      "wpm": 27,
      "message": "เส้นเชื่อมที่เราสร้าง"
    },
    {
      "message_id": 749,
      "agent_id": 13,
      "delay": 9.035,
      "onscreen_delay": 4.899,
      "typing_delay": 4.136,
      "typing_duration": 14.775,
      "wpm": 30,
      "message": "ออกจากส่วนที่ชื่อว่า Next นะคะ "
    },
    {
      "message_id": 750,
      "agent_id": 14,
      "delay": 10.775,
      "onscreen_delay": 6.238,
      "typing_delay": 4.537,
      "typing_duration": 14.976,
      "wpm": 29,
      "message": "เพราะฉะนั้นก็จะเป็น Tail.next "
    },
    {
      "message_id": 751,
      "agent_id": 15,
      "delay": 10.965,
      "onscreen_delay": 4.463,
      "typing_delay": 6.502,
      "typing_duration": 13.554,
      "wpm": 23,
      "message": "แล้วให้เชื่อมไปที่ไหน "
    },
    {
      "message_id": 752,
      "agent_id": 16,
      "delay": 9.554,
      "onscreen_delay": 3.609,
      "typing_delay": 5.945,
      "typing_duration": 14.765,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 753,
      "agent_id": 13,
      "delay": 10.764,
      "onscreen_delay": 6.463,
      "typing_delay": 4.301,
      "typing_duration": 15.433,
      "wpm": 17,
      "message": "เชื่อมไปที่ Queue "
    },
    {
      "message_id": 754,
      "agent_id": 14,
      "delay": 11.432,
      "onscreen_delay": 7.301,
      "typing_delay": 4.131,
      "typing_duration": 11.874,
      "wpm": 30,
      "message": "แล้ว 5 อะไรชี้อยู่ Queue "
    },
    {
      "message_id": 755,
      "agent_id": 15,
      "delay": 7.872,
      "onscreen_delay": 3.223,
      "typing_delay": 4.649,
      "typing_duration": 15.913,
      "wpm": 14,
      "message": "ชี้อยู่ถูกไหมคะ "
    },
    {
      "message_id": 756,
      "agent_id": 16,
      "delay": 11.913,
      "onscreen_delay": 4.286,
      "typing_delay": 7.627,
      "typing_duration": 13.472,
      "wpm": 22,
      "message": "พอพูดถึง next ต้องหา"
    },
    {
      "message_id": 757,
      "agent_id": 13,
      "delay": 9.462,
      "onscreen_delay": 5.251,
      "typing_delay": 4.211,
      "typing_duration": 13.723,
      "wpm": 31,
      "message": "ว่าจะชี้ไปที่ไหน พูดถึง Data "
    },
    {
      "message_id": 758,
      "agent_id": 14,
      "delay": 9.722,
      "onscreen_delay": 5.046,
      "typing_delay": 4.676,
      "typing_duration": 12.648,
      "wpm": 34,
      "message": "ดูข้อมูลข้างใน Node ว่ามันคือ"
    },
    {
      "message_id": 759,
      "agent_id": 15,
      "delay": 8.648,
      "onscreen_delay": 3.276,
      "typing_delay": 5.372,
      "typing_duration": 8.475,
      "wpm": 14,
      "message": "อะไรนะคะ "
    },
    {
      "message_id": 760,
      "agent_id": 16,
      "delay": 7.725,
      "onscreen_delay": 0,
      "typing_delay": 7.725,
      "typing_duration": 9.532,
      "wpm": 14,
      "message": "เสร็จแล้ว "
    },
    {
      "message_id": 761,
      "agent_id": 13,
      "delay": 5.531,
      "onscreen_delay": 0.741,
      "typing_delay": 4.79,
      "typing_duration": 12.942,
      "wpm": 23,
      "message": "คำสั่งที่ 2 เมื่อเรา"
    },
    {
      "message_id": 762,
      "agent_id": 14,
      "delay": 8.929,
      "onscreen_delay": 4.791,
      "typing_delay": 4.138,
      "typing_duration": 15.514,
      "wpm": 42,
      "message": "สร้างเส้นเชื่อมนี้แล้ว โหนดสุดท้ายคืออะไรคะ "
    },
    {
      "message_id": 763,
      "agent_id": 15,
      "delay": 11.513,
      "onscreen_delay": 6.062,
      "typing_delay": 5.451,
      "typing_duration": 10.624,
      "wpm": 17,
      "message": "คือ 5 ใช่ไหม "
    },
    {
      "message_id": 764,
      "agent_id": 16,
      "delay": 7.512,
      "onscreen_delay": 3.315,
      "typing_delay": 4.197,
      "typing_duration": 11.407,
      "wpm": 46,
      "message": "เราจะเลื่อน tail มาที่ 5 ได้อย่างไร "
    },
    {
      "message_id": 765,
      "agent_id": 13,
      "delay": 7.406,
      "onscreen_delay": 2.229,
      "typing_delay": 5.177,
      "typing_duration": 19.001,
      "wpm": 8,
      "message": "ก็คือ Tail "
    },
    {
      "message_id": 766,
      "agent_id": 14,
      "delay": 14.999,
      "onscreen_delay": 8.501,
      "typing_delay": 6.498,
      "typing_duration": 16.451,
      "wpm": 20,
      "message": "= Queue  ก็คือเอา Tail "
    },
    {
      "message_id": 767,
      "agent_id": 15,
      "delay": 12.451,
      "onscreen_delay": 8.082,
      "typing_delay": 4.369,
      "typing_duration": 11.646,
      "wpm": 28,
      "message": "ไปชี้ที่ Queue ชี้อยู่ "
    },
    {
      "message_id": 768,
      "agent_id": 16,
      "delay": 8.45,
      "onscreen_delay": 0.052,
      "typing_delay": 8.398,
      "typing_duration": 8.398,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 769,
      "agent_id": 13,
      "delay": 5.887,
      "onscreen_delay": 0,
      "typing_delay": 5.887,
      "typing_duration": 13.721,
      "wpm": 26,
      "message": "1 ข้อ จบ ถูกไหมคะ นี่คือ"
    },
    {
      "message_id": 770,
      "agent_id": 14,
      "delay": 9.72,
      "onscreen_delay": 5.644,
      "typing_delay": 4.076,
      "typing_duration": 14.087,
      "wpm": 36,
      "message": "การเพิ่มโหนดใหม่ Tail ชี้ที่ Queue "
    },
    {
      "message_id": 771,
      "agent_id": 15,
      "delay": 10.085,
      "onscreen_delay": 5.592,
      "typing_delay": 4.493,
      "typing_duration": 8.632,
      "wpm": 19,
      "message": "เพราะฉะนั้น "
    },
    {
      "message_id": 772,
      "agent_id": 16,
      "delay": 6.243,
      "onscreen_delay": 0,
      "typing_delay": 6.243,
      "typing_duration": 11.546,
      "wpm": 26,
      "message": "tail จะชี้อยู่ที่นี่ "
    },
    {
      "message_id": 773,
      "agent_id": 13,
      "delay": 7.545,
      "onscreen_delay": 2.954,
      "typing_delay": 4.591,
      "typing_duration": 13.706,
      "wpm": 28,
      "message": "ที่ 5 นะคะ และ Queue ก็ชี้"
    },
    {
      "message_id": 774,
      "agent_id": 14,
      "delay": 9.705,
      "onscreen_delay": 5.114,
      "typing_delay": 4.591,
      "typing_duration": 14.569,
      "wpm": 27,
      "message": "อยู่ที่นี้เช่นกัน ถูกไหมคะ "
    },
    {
      "message_id": 775,
      "agent_id": 15,
      "delay": 10.567,
      "onscreen_delay": 5.413,
      "typing_delay": 5.154,
      "typing_duration": 18.073,
      "wpm": 33,
      "message": "ครูไม่เขียนข้างหน้านะ ครูยกส่วนปลายมาเลย "
    },
    {
      "message_id": 776,
      "agent_id": 16,
      "delay": 14.073,
      "onscreen_delay": 8.166,
      "typing_delay": 5.907,
      "typing_duration": 15.438,
      "wpm": 27,
      "message": "tail จะชี้อยู่ Queue ชี้อยู่ "
    },
    {
      "message_id": 777,
      "agent_id": 13,
      "delay": 11.432,
      "onscreen_delay": 6.911,
      "typing_delay": 4.521,
      "typing_duration": 18.522,
      "wpm": 31,
      "message": "คือชี้ที่เดียวกันนะคะ คือชี้ที่ Node 5 "
    },
    {
      "message_id": 778,
      "agent_id": 14,
      "delay": 14.522,
      "onscreen_delay": 6.173,
      "typing_delay": 8.349,
      "typing_duration": 8.349,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 779,
      "agent_id": 15,
      "delay": 10.521,
      "onscreen_delay": 2.235,
      "typing_delay": 8.286,
      "typing_duration": 8.286,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 780,
      "agent_id": 16,
      "delay": 13.835,
      "onscreen_delay": 0,
      "typing_delay": 13.835,
      "typing_duration": 13.835,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 781,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 782,
      "agent_id": 14,
      "delay": 14.999,
      "onscreen_delay": 9.255,
      "typing_delay": 5.744,
      "typing_duration": 12.913,
      "wpm": 29,
      "message": "จดเอาไว้ดูนะคะ จดเอาไว้ดู"
    },
    {
      "message_id": 783,
      "agent_id": 15,
      "delay": 10.999,
      "onscreen_delay": 6.125,
      "typing_delay": 4.874,
      "typing_duration": 7.919,
      "wpm": 8,
      "message": "เร็ว"
    },
    {
      "message_id": 784,
      "agent_id": 16,
      "delay": 8.464,
      "onscreen_delay": 0,
      "typing_delay": 8.464,
      "typing_duration": 8.464,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 785,
      "agent_id": 13,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 786,
      "agent_id": 14,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 787,
      "agent_id": 15,
      "delay": 15,
      "onscreen_delay": 4.448,
      "typing_delay": 10.552,
      "typing_duration": 10.552,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 788,
      "agent_id": 16,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 789,
      "agent_id": 13,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 790,
      "agent_id": 14,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 791,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 792,
      "agent_id": 16,
      "delay": 14.998,
      "onscreen_delay": 1.112,
      "typing_delay": 13.886,
      "typing_duration": 13.886,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 793,
      "agent_id": 13,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 794,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 795,
      "agent_id": 15,
      "delay": 17.059,
      "onscreen_delay": 0,
      "typing_delay": 17.059,
      "typing_duration": 17.059,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 796,
      "agent_id": 16,
      "delay": 18.15,
      "onscreen_delay": 0,
      "typing_delay": 18.15,
      "typing_duration": 18.15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 797,
      "agent_id": 13,
      "delay": 14.523,
      "onscreen_delay": 0,
      "typing_delay": 14.523,
      "typing_duration": 14.523,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 798,
      "agent_id": 14,
      "delay": 10.523,
      "onscreen_delay": 3.902,
      "typing_delay": 6.621,
      "typing_duration": 13.511,
      "wpm": 11,
      "message": "มีใครสงสัย"
    },
    {
      "message_id": 799,
      "agent_id": 15,
      "delay": 9.51,
      "onscreen_delay": 4.897,
      "typing_delay": 4.613,
      "typing_duration": 12.592,
      "wpm": 21,
      "message": "ไหมคะ อะไรชี้ไปไหน "
    },
    {
      "message_id": 800,
      "agent_id": 16,
      "delay": 8.591,
      "onscreen_delay": 0.102,
      "typing_delay": 8.489,
      "typing_duration": 8.489,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 801,
      "agent_id": 13,
      "delay": 6.742,
      "onscreen_delay": 0,
      "typing_delay": 6.742,
      "typing_duration": 14.275,
      "wpm": 19,
      "message": "พยายามทำความเข้าใจ"
    },
    {
      "message_id": 802,
      "agent_id": 14,
      "delay": 10.273,
      "onscreen_delay": 5.844,
      "typing_delay": 4.429,
      "typing_duration": 13.536,
      "wpm": 41,
      "message": "นะคะ เวลาเราเชื่อมโหนดนี่เราก็ต้องรู้"
    },
    {
      "message_id": 803,
      "agent_id": 15,
      "delay": 9.534,
      "onscreen_delay": 5.06,
      "typing_delay": 4.474,
      "typing_duration": 10.801,
      "wpm": 18,
      "message": "ว่าเส้นเชื่อม "
    },
    {
      "message_id": 804,
      "agent_id": 16,
      "delay": 6.799,
      "onscreen_delay": 2.146,
      "typing_delay": 4.653,
      "typing_duration": 10.13,
      "wpm": 49,
      "message": "จุดแรกที่เราจะเชื่อมไปยังจุดถัดไป "
    },
    {
      "message_id": 805,
      "agent_id": 13,
      "delay": 6.13,
      "onscreen_delay": 1.727,
      "typing_delay": 4.403,
      "typing_duration": 15.317,
      "wpm": 18,
      "message": "มีอะไรชี้อยู่ แล้ว"
    },
    {
      "message_id": 806,
      "agent_id": 14,
      "delay": 11.309,
      "onscreen_delay": 7.126,
      "typing_delay": 4.183,
      "typing_duration": 13.444,
      "wpm": 35,
      "message": "เราลากออกไปนี่ เราลากออกจากส่วน"
    },
    {
      "message_id": 807,
      "agent_id": 15,
      "delay": 9.437,
      "onscreen_delay": 4.631,
      "typing_delay": 4.806,
      "typing_duration": 16.007,
      "wpm": 22,
      "message": "ที่ชื่อว่า Next ใช่ไหมคะ "
    },
    {
      "message_id": 808,
      "agent_id": 16,
      "delay": 12.006,
      "onscreen_delay": 4.046,
      "typing_delay": 7.96,
      "typing_duration": 10.417,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 809,
      "agent_id": 13,
      "delay": 8.005,
      "onscreen_delay": 3.628,
      "typing_delay": 4.377,
      "typing_duration": 13.407,
      "wpm": 30,
      "message": "แล้วชี้ที่ไหน ก็ชี้ไปที่นี่ "
    },
    {
      "message_id": 810,
      "agent_id": 14,
      "delay": 9.406,
      "onscreen_delay": 5.286,
      "typing_delay": 4.12,
      "typing_duration": 16.601,
      "wpm": 36,
      "message": "แล้วที่นี้อะไรชี้อยู่ Queue มันก็เลยเป็น "
    },
    {
      "message_id": 811,
      "agent_id": 15,
      "delay": 12.599,
      "onscreen_delay": 5.981,
      "typing_delay": 6.618,
      "typing_duration": 16.079,
      "wpm": 16,
      "message": "tail.next = Queue "
    },
    {
      "message_id": 812,
      "agent_id": 16,
      "delay": 12.079,
      "onscreen_delay": 2.657,
      "typing_delay": 9.422,
      "typing_duration": 9.422,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 813,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 814,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 815,
      "agent_id": 15,
      "delay": 15.001,
      "onscreen_delay": 6.727,
      "typing_delay": 8.274,
      "typing_duration": 8.274,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 816,
      "agent_id": 16,
      "delay": 10.999,
      "onscreen_delay": 2.572,
      "typing_delay": 8.427,
      "typing_duration": 8.427,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 817,
      "agent_id": 13,
      "delay": 19.016,
      "onscreen_delay": 0,
      "typing_delay": 19.016,
      "typing_duration": 19.016,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 818,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 819,
      "agent_id": 15,
      "delay": 14.999,
      "onscreen_delay": 5.462,
      "typing_delay": 9.537,
      "typing_duration": 16.641,
      "wpm": 19,
      "message": "ครูเขียนภาษาไทยไว้ให้"
    },
    {
      "message_id": 820,
      "agent_id": 16,
      "delay": 12.636,
      "onscreen_delay": 8.035,
      "typing_delay": 4.601,
      "typing_duration": 18.046,
      "wpm": 17,
      "message": "นะคะ tail.next=queue "
    },
    {
      "message_id": 821,
      "agent_id": 13,
      "delay": 14.043,
      "onscreen_delay": 8.696,
      "typing_delay": 5.347,
      "typing_duration": 12.532,
      "wpm": 18,
      "message": "ก็คือ ให้ตัวชี้ "
    },
    {
      "message_id": 822,
      "agent_id": 14,
      "delay": 10.041,
      "onscreen_delay": 5.714,
      "typing_delay": 4.327,
      "typing_duration": 10.31,
      "wpm": 23,
      "message": "Tail ในส่วน Next "
    },
    {
      "message_id": 823,
      "agent_id": 15,
      "delay": 6.3,
      "onscreen_delay": 1.627,
      "typing_delay": 4.673,
      "typing_duration": 14.164,
      "wpm": 23,
      "message": "ชี้ไปที่ Queue ชี้อยู่ "
    },
    {
      "message_id": 824,
      "agent_id": 16,
      "delay": 10.163,
      "onscreen_delay": 4.481,
      "typing_delay": 5.682,
      "typing_duration": 10.522,
      "wpm": 37,
      "message": "จะชี้หรือเชื่อมตรงนี้ก็ได้ "
    },
    {
      "message_id": 825,
      "agent_id": 13,
      "delay": 6.522,
      "onscreen_delay": 1.097,
      "typing_delay": 5.425,
      "typing_duration": 16.054,
      "wpm": 23,
      "message": "เชื่อมไปที่ Queue ชี้อยู่ "
    },
    {
      "message_id": 826,
      "agent_id": 14,
      "delay": 12.053,
      "onscreen_delay": 5.193,
      "typing_delay": 6.86,
      "typing_duration": 18.542,
      "wpm": 3,
      "message": "ส่วน"
    },
    {
      "message_id": 827,
      "agent_id": 15,
      "delay": 14.541,
      "onscreen_delay": 6.721,
      "typing_delay": 7.82,
      "typing_duration": 19.002,
      "wpm": 24,
      "message": "คำสั่งที่  2 tail เท่ากับ Queue "
    },
    {
      "message_id": 828,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 10.359,
      "typing_delay": 4.642,
      "typing_duration": 9.1,
      "wpm": 36,
      "message": "ชี้ไปที่ Queue ชี้อยู่"
    },
    {
      "message_id": 829,
      "agent_id": 13,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 830,
      "agent_id": 14,
      "delay": 14.991,
      "onscreen_delay": 6.72,
      "typing_delay": 8.271,
      "typing_duration": 8.271,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 831,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 832,
      "agent_id": 16,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 833,
      "agent_id": 13,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 834,
      "agent_id": 14,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 835,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 836,
      "agent_id": 16,
      "delay": 14.998,
      "onscreen_delay": 6.529,
      "typing_delay": 8.469,
      "typing_duration": 8.469,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 837,
      "agent_id": 13,
      "delay": 10.996,
      "onscreen_delay": 3.514,
      "typing_delay": 7.482,
      "typing_duration": 11.896,
      "wpm": 23,
      "message": "อันแรกเสร็จหรือยัง "
    },
    {
      "message_id": 838,
      "agent_id": 14,
      "delay": 8.711,
      "onscreen_delay": 0,
      "typing_delay": 8.711,
      "typing_duration": 8.711,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 839,
      "agent_id": 15,
      "delay": 10.248,
      "onscreen_delay": 0,
      "typing_delay": 10.248,
      "typing_duration": 10.248,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 840,
      "agent_id": 16,
      "delay": 6.246,
      "onscreen_delay": 0.565,
      "typing_delay": 5.681,
      "typing_duration": 10.405,
      "wpm": 43,
      "message": "ครูเปลี่ยนได้ไหมเสร็จหรือยังคะ "
    },
    {
      "message_id": 841,
      "agent_id": 13,
      "delay": 6.727,
      "onscreen_delay": 0,
      "typing_delay": 6.727,
      "typing_duration": 11.121,
      "wpm": 19,
      "message": "เสร็จหรือยังคะ "
    },
    {
      "message_id": 842,
      "agent_id": 14,
      "delay": 7.806,
      "onscreen_delay": 0,
      "typing_delay": 7.806,
      "typing_duration": 13.334,
      "wpm": 22,
      "message": "เสร็จแล้วค่ะ คราวนี้"
    },
    {
      "message_id": 843,
      "agent_id": 15,
      "delay": 9.329,
      "onscreen_delay": 4.65,
      "typing_delay": 4.679,
      "typing_duration": 12.101,
      "wpm": 15,
      "message": "มาดูข้อที่ 2 "
    },
    {
      "message_id": 844,
      "agent_id": 16,
      "delay": 8.101,
      "onscreen_delay": 2.596,
      "typing_delay": 5.505,
      "typing_duration": 15.847,
      "wpm": 29,
      "message": "โจทย์บอกว่าให้ลบข้อมูล Node แรก"
    },
    {
      "message_id": 845,
      "agent_id": 13,
      "delay": 11.846,
      "onscreen_delay": 7.161,
      "typing_delay": 4.685,
      "typing_duration": 18.344,
      "wpm": 16,
      "message": "ของ Link List ก็คือ "
    },
    {
      "message_id": 846,
      "agent_id": 14,
      "delay": 14.342,
      "onscreen_delay": 10.211,
      "typing_delay": 4.131,
      "typing_duration": 16.557,
      "wpm": 18,
      "message": "ลบโหนดแรกใช่ไหมคะ ก็"
    },
    {
      "message_id": 847,
      "agent_id": 15,
      "delay": 12.556,
      "onscreen_delay": 7.929,
      "typing_delay": 4.627,
      "typing_duration": 15.942,
      "wpm": 20,
      "message": "คือลบข้อมูลตัวนี้ - 1 "
    },
    {
      "message_id": 848,
      "agent_id": 16,
      "delay": 11.942,
      "onscreen_delay": 4.337,
      "typing_delay": 7.605,
      "typing_duration": 12.187,
      "wpm": 41,
      "message": "ลบแล้วจะเป็นแบบไหน เป็นแบบนี้นะคะ "
    },
    {
      "message_id": 849,
      "agent_id": 13,
      "delay": 8.186,
      "onscreen_delay": 1.791,
      "typing_delay": 6.395,
      "typing_duration": 12.004,
      "wpm": 11,
      "message": "หลังจากลบ "
    },
    {
      "message_id": 850,
      "agent_id": 14,
      "delay": 8.309,
      "onscreen_delay": 0,
      "typing_delay": 8.309,
      "typing_duration": 8.309,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 851,
      "agent_id": 15,
      "delay": 13.009,
      "onscreen_delay": 0,
      "typing_delay": 13.009,
      "typing_duration": 13.009,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 852,
      "agent_id": 16,
      "delay": 9.609,
      "onscreen_delay": 0,
      "typing_delay": 9.609,
      "typing_duration": 12.421,
      "wpm": 11,
      "message": "หลังจากลบ "
    },
    {
      "message_id": 853,
      "agent_id": 13,
      "delay": 8.419,
      "onscreen_delay": 3.329,
      "typing_delay": 5.09,
      "typing_duration": 18.24,
      "wpm": 28,
      "message": "Node แรกแล้ว เราจะได้ผลลัพธ์ตามนี้ "
    },
    {
      "message_id": 854,
      "agent_id": 14,
      "delay": 14.239,
      "onscreen_delay": 9.695,
      "typing_delay": 4.544,
      "typing_duration": 15.293,
      "wpm": 18,
      "message": "ใช่ไหมคะ แล้วเราจะ"
    },
    {
      "message_id": 855,
      "agent_id": 15,
      "delay": 11.292,
      "onscreen_delay": 6.696,
      "typing_delay": 4.596,
      "typing_duration": 14.102,
      "wpm": 28,
      "message": "ลบ Node แรกออกไปได้อย่างไร "
    },
    {
      "message_id": 856,
      "agent_id": 16,
      "delay": 10.102,
      "onscreen_delay": 5.447,
      "typing_delay": 4.655,
      "typing_duration": 13.487,
      "wpm": 20,
      "message": "ก็บอกเขาว่าลบไปยัง "
    },
    {
      "message_id": 857,
      "agent_id": 13,
      "delay": 9.484,
      "onscreen_delay": 4.312,
      "typing_delay": 5.172,
      "typing_duration": 17.401,
      "wpm": 32,
      "message": "Head ชี้อยู่ที่ไน อันนั้นคือ Node แรก "
    },
    {
      "message_id": 858,
      "agent_id": 14,
      "delay": 13.401,
      "onscreen_delay": 8.853,
      "typing_delay": 4.548,
      "typing_duration": 13.685,
      "wpm": 32,
      "message": "เพราะฉะนั้นเราจะลบโหนด 1 นะคะ "
    },
    {
      "message_id": 859,
      "agent_id": 15,
      "delay": 9.684,
      "onscreen_delay": 5.117,
      "typing_delay": 4.567,
      "typing_duration": 15.055,
      "wpm": 25,
      "message": "Head จะต้องไปที่อยู่ที่ 2 "
    },
    {
      "message_id": 860,
      "agent_id": 16,
      "delay": 11.051,
      "onscreen_delay": 6.072,
      "typing_delay": 4.979,
      "typing_duration": 16.649,
      "wpm": 40,
      "message": "ก็คือคำสั่งก็คือเลื่อน head ไปยังคำสั่งถัดไป "
    },
    {
      "message_id": 861,
      "agent_id": 13,
      "delay": 12.648,
      "onscreen_delay": 7.205,
      "typing_delay": 5.443,
      "typing_duration": 10.337,
      "wpm": 17,
      "message": "ใช้คำสั่งว่า "
    },
    {
      "message_id": 862,
      "agent_id": 14,
      "delay": 8.648,
      "onscreen_delay": 3.701,
      "typing_delay": 4.947,
      "typing_duration": 17.867,
      "wpm": 9,
      "message": "Head. Head="
    },
    {
      "message_id": 863,
      "agent_id": 15,
      "delay": 13.866,
      "onscreen_delay": 4.806,
      "typing_delay": 9.06,
      "typing_duration": 17.807,
      "wpm": 8,
      "message": "Head.Next "
    },
    {
      "message_id": 864,
      "agent_id": 16,
      "delay": 13.804,
      "onscreen_delay": 9.095,
      "typing_delay": 4.709,
      "typing_duration": 14.085,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 865,
      "agent_id": 13,
      "delay": 10.084,
      "onscreen_delay": 4.44,
      "typing_delay": 5.644,
      "typing_duration": 15.764,
      "wpm": 23,
      "message": "หมายความว่าอะไร ให้ Head "
    },
    {
      "message_id": 866,
      "agent_id": 14,
      "delay": 11.763,
      "onscreen_delay": 7.542,
      "typing_delay": 4.221,
      "typing_duration": 15.52,
      "wpm": 26,
      "message": "นะคะ ให้ Head ไปชี้ที่ Head"
    },
    {
      "message_id": 867,
      "agent_id": 15,
      "delay": 11.519,
      "onscreen_delay": 6.572,
      "typing_delay": 4.947,
      "typing_duration": 12.89,
      "wpm": 6,
      "message": ".next "
    },
    {
      "message_id": 868,
      "agent_id": 16,
      "delay": 8.889,
      "onscreen_delay": 4.273,
      "typing_delay": 4.616,
      "typing_duration": 13.097,
      "wpm": 50,
      "message": "ชี้อยู่ที่ 2 เพราะฉะนั้นเอา head ไปชี้ที่นี้ "
    },
    {
      "message_id": 869,
      "agent_id": 13,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 870,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 871,
      "agent_id": 15,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 872,
      "agent_id": 16,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 873,
      "agent_id": 13,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 874,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 875,
      "agent_id": 15,
      "delay": 16.213,
      "onscreen_delay": 0,
      "typing_delay": 16.213,
      "typing_duration": 16.213,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 876,
      "agent_id": 16,
      "delay": 12.211,
      "onscreen_delay": 3.335,
      "typing_delay": 8.876,
      "typing_duration": 8.876,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 877,
      "agent_id": 13,
      "delay": 12.051,
      "onscreen_delay": 0,
      "typing_delay": 12.051,
      "typing_duration": 19.004,
      "wpm": 5,
      "message": "Head = "
    },
    {
      "message_id": 878,
      "agent_id": 14,
      "delay": 15.003,
      "onscreen_delay": 8.894,
      "typing_delay": 6.109,
      "typing_duration": 17.482,
      "wpm": 21,
      "message": "Head.next ก็คือ ให้ Head "
    },
    {
      "message_id": 879,
      "agent_id": 15,
      "delay": 13.481,
      "onscreen_delay": 9.221,
      "typing_delay": 4.26,
      "typing_duration": 19,
      "wpm": 11,
      "message": "ไปชี้ที่ head."
    },
    {
      "message_id": 880,
      "agent_id": 16,
      "delay": 14.998,
      "onscreen_delay": 10.181,
      "typing_delay": 4.817,
      "typing_duration": 8.639,
      "wpm": 35,
      "message": "ซึ่งก็คือ node ถัดไป"
    },
    {
      "message_id": 881,
      "agent_id": 13,
      "delay": 10.997,
      "onscreen_delay": 2.262,
      "typing_delay": 8.735,
      "typing_duration": 8.735,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 882,
      "agent_id": 14,
      "delay": 6.986,
      "onscreen_delay": 0.275,
      "typing_delay": 6.711,
      "typing_duration": 9.377,
      "wpm": 22,
      "message": "จดเอาไว้ดูนะคะ "
    },
    {
      "message_id": 883,
      "agent_id": 15,
      "delay": 10.471,
      "onscreen_delay": 0,
      "typing_delay": 10.471,
      "typing_duration": 10.471,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 884,
      "agent_id": 16,
      "delay": 8.409,
      "onscreen_delay": 0,
      "typing_delay": 8.409,
      "typing_duration": 8.409,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 885,
      "agent_id": 13,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 886,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 887,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 888,
      "agent_id": 16,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 889,
      "agent_id": 13,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 890,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 891,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 892,
      "agent_id": 16,
      "delay": 18.146,
      "onscreen_delay": 0,
      "typing_delay": 18.146,
      "typing_duration": 18.146,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 893,
      "agent_id": 13,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 894,
      "agent_id": 14,
      "delay": 14.999,
      "onscreen_delay": 2.838,
      "typing_delay": 12.161,
      "typing_duration": 12.161,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 895,
      "agent_id": 15,
      "delay": 10.997,
      "onscreen_delay": 4.557,
      "typing_delay": 6.44,
      "typing_duration": 19.001,
      "wpm": 21,
      "message": "โจทย์นะคะ เดี๋ยวท้ายชั่วโมท"
    },
    {
      "message_id": 896,
      "agent_id": 16,
      "delay": 14.999,
      "onscreen_delay": 10.756,
      "typing_delay": 4.243,
      "typing_duration": 13.388,
      "wpm": 26,
      "message": "ครูจะเช็กว่าใครจด 2 ข้อ "
    },
    {
      "message_id": 897,
      "agent_id": 13,
      "delay": 10.997,
      "onscreen_delay": 6.679,
      "typing_delay": 4.318,
      "typing_duration": 13.656,
      "wpm": 26,
      "message": "หรือทำ 2 ข้อนี้หรือเปล่า "
    },
    {
      "message_id": 898,
      "agent_id": 14,
      "delay": 9.654,
      "onscreen_delay": 5.436,
      "typing_delay": 4.218,
      "typing_duration": 10.873,
      "wpm": 33,
      "message": "เดี๋ยวครูจะติ๊กคะแนนนะคะ "
    },
    {
      "message_id": 899,
      "agent_id": 15,
      "delay": 8.133,
      "onscreen_delay": 0,
      "typing_delay": 8.133,
      "typing_duration": 8.133,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 900,
      "agent_id": 16,
      "delay": 8.949,
      "onscreen_delay": 0,
      "typing_delay": 8.949,
      "typing_duration": 8.949,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 901,
      "agent_id": 13,
      "delay": 5.577,
      "onscreen_delay": 0,
      "typing_delay": 5.577,
      "typing_duration": 12.754,
      "wpm": 25,
      "message": "ลอกใส่กระดาษไว้ดูนะคะ "
    },
    {
      "message_id": 902,
      "agent_id": 14,
      "delay": 8.752,
      "onscreen_delay": 0.026,
      "typing_delay": 8.726,
      "typing_duration": 8.726,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 903,
      "agent_id": 15,
      "delay": 8.177,
      "onscreen_delay": 0,
      "typing_delay": 8.177,
      "typing_duration": 19.001,
      "wpm": 18,
      "message": "เดี๋ยวก่อนเลิกนะ ครูจะด"
    },
    {
      "message_id": 904,
      "agent_id": 16,
      "delay": 14.999,
      "onscreen_delay": 8.822,
      "typing_delay": 6.177,
      "typing_duration": 13.586,
      "wpm": 13,
      "message": "ว่าใครจดบ้าง"
    },
    {
      "message_id": 905,
      "agent_id": 13,
      "delay": 10.997,
      "onscreen_delay": 2.862,
      "typing_delay": 8.135,
      "typing_duration": 8.135,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 906,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 907,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 908,
      "agent_id": 16,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 909,
      "agent_id": 13,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 910,
      "agent_id": 14,
      "delay": 14.997,
      "onscreen_delay": 6.588,
      "typing_delay": 8.409,
      "typing_duration": 8.409,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 911,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 912,
      "agent_id": 16,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 913,
      "agent_id": 13,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 914,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 915,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 916,
      "agent_id": 16,
      "delay": 14.996,
      "onscreen_delay": 6.634,
      "typing_delay": 8.362,
      "typing_duration": 8.362,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 917,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 918,
      "agent_id": 14,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 919,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 920,
      "agent_id": 16,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 921,
      "agent_id": 13,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 922,
      "agent_id": 14,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 923,
      "agent_id": 15,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 924,
      "agent_id": 16,
      "delay": 15.002,
      "onscreen_delay": 2.591,
      "typing_delay": 12.411,
      "typing_duration": 12.411,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 925,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 926,
      "agent_id": 14,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 927,
      "agent_id": 15,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 928,
      "agent_id": 16,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 929,
      "agent_id": 13,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 930,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 931,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 932,
      "agent_id": 16,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 933,
      "agent_id": 13,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 934,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 935,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 936,
      "agent_id": 16,
      "delay": 14.998,
      "onscreen_delay": 6.124,
      "typing_delay": 8.874,
      "typing_duration": 8.874,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 937,
      "agent_id": 13,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 938,
      "agent_id": 14,
      "delay": 14.999,
      "onscreen_delay": 3.09,
      "typing_delay": 11.909,
      "typing_duration": 11.909,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 939,
      "agent_id": 15,
      "delay": 10.997,
      "onscreen_delay": 4.5,
      "typing_delay": 6.497,
      "typing_duration": 13.315,
      "wpm": 15,
      "message": "ให้จดก่อนนะคะ"
    },
    {
      "message_id": 940,
      "agent_id": 16,
      "delay": 9.313,
      "onscreen_delay": 3.134,
      "typing_delay": 6.179,
      "typing_duration": 10.862,
      "wpm": 48,
      "message": "จะเข้าใจหรือยังไม่เข้าใจ จดเอาไว้ดู"
    },
    {
      "message_id": 941,
      "agent_id": 13,
      "delay": 11.69,
      "onscreen_delay": 0,
      "typing_delay": 11.69,
      "typing_duration": 11.69,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 942,
      "agent_id": 14,
      "delay": 7.686,
      "onscreen_delay": 2.515,
      "typing_delay": 5.171,
      "typing_duration": 12.105,
      "wpm": 24,
      "message": "พอเราจดนะคะ แล้วเรา"
    },
    {
      "message_id": 943,
      "agent_id": 15,
      "delay": 8.104,
      "onscreen_delay": 3.927,
      "typing_delay": 4.177,
      "typing_duration": 18.166,
      "wpm": 24,
      "message": "ก็ต้องทบทวนนะคะ ค่อย ๆ ดูนะคะ "
    },
    {
      "message_id": 944,
      "agent_id": 16,
      "delay": 14.165,
      "onscreen_delay": 8.993,
      "typing_delay": 5.172,
      "typing_duration": 12.944,
      "wpm": 28,
      "message": "ว่าเขาเขียนคำสั่งอย่างไร "
    },
    {
      "message_id": 945,
      "agent_id": 13,
      "delay": 10.165,
      "onscreen_delay": 5.493,
      "typing_delay": 4.672,
      "typing_duration": 12.095,
      "wpm": 25,
      "message": "เขาเชื่อมเส้นอย่างไร "
    },
    {
      "message_id": 946,
      "agent_id": 14,
      "delay": 8.093,
      "onscreen_delay": 1.047,
      "typing_delay": 7.046,
      "typing_duration": 14.401,
      "wpm": 8,
      "message": "ต้องกลับ"
    },
    {
      "message_id": 947,
      "agent_id": 15,
      "delay": 10.401,
      "onscreen_delay": 6.428,
      "typing_delay": 3.973,
      "typing_duration": 13.633,
      "wpm": 23,
      "message": "ไปทบทวนนะคะ ไม่เข้าใจ "
    },
    {
      "message_id": 948,
      "agent_id": 16,
      "delay": 9.632,
      "onscreen_delay": 3.378,
      "typing_delay": 6.254,
      "typing_duration": 19,
      "wpm": 10,
      "message": "ต้องถามเพื่อน "
    },
    {
      "message_id": 949,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 950,
      "agent_id": 14,
      "delay": 15,
      "onscreen_delay": 9.58,
      "typing_delay": 5.42,
      "typing_duration": 14.133,
      "wpm": 33,
      "message": "จะมีเพื่อนส่วนหนึ่งพอเข้าใจอยู่ "
    },
    {
      "message_id": 951,
      "agent_id": 15,
      "delay": 10.998,
      "onscreen_delay": 6.525,
      "typing_delay": 4.473,
      "typing_duration": 13.279,
      "wpm": 32,
      "message": "เขียนคำสั่งได้ ต้องไปถามนะคะ "
    },
    {
      "message_id": 952,
      "agent_id": 16,
      "delay": 9.277,
      "onscreen_delay": 3.604,
      "typing_delay": 5.673,
      "typing_duration": 8.321,
      "wpm": 13,
      "message": "ต้องถาม "
    },
    {
      "message_id": 953,
      "agent_id": 13,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 954,
      "agent_id": 14,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 955,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 956,
      "agent_id": 16,
      "delay": 14.999,
      "onscreen_delay": 0.806,
      "typing_delay": 14.193,
      "typing_duration": 14.193,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 957,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 958,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 959,
      "agent_id": 15,
      "delay": 15.001,
      "onscreen_delay": 5.754,
      "typing_delay": 9.247,
      "typing_duration": 9.247,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 960,
      "agent_id": 16,
      "delay": 10.996,
      "onscreen_delay": 2.566,
      "typing_delay": 8.43,
      "typing_duration": 8.43,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 961,
      "agent_id": 13,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 962,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 963,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 964,
      "agent_id": 16,
      "delay": 14.999,
      "onscreen_delay": 5.731,
      "typing_delay": 9.268,
      "typing_duration": 9.268,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 965,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 966,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 967,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 968,
      "agent_id": 16,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 969,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 970,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 971,
      "agent_id": 15,
      "delay": 14.999,
      "onscreen_delay": 4.954,
      "typing_delay": 10.045,
      "typing_duration": 10.045,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 972,
      "agent_id": 16,
      "delay": 10.998,
      "onscreen_delay": 2.459,
      "typing_delay": 8.539,
      "typing_duration": 8.539,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 973,
      "agent_id": 13,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 974,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 975,
      "agent_id": 15,
      "delay": 15,
      "onscreen_delay": 3.208,
      "typing_delay": 11.792,
      "typing_duration": 11.792,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 976,
      "agent_id": 16,
      "delay": 10.998,
      "onscreen_delay": 4.261,
      "typing_delay": 6.737,
      "typing_duration": 11.559,
      "wpm": 22,
      "message": "ที่จด ๆ ใส่กระดาษ"
    },
    {
      "message_id": 977,
      "agent_id": 13,
      "delay": 7.555,
      "onscreen_delay": 1.868,
      "typing_delay": 5.687,
      "typing_duration": 12.474,
      "wpm": 22,
      "message": "ต้องเก็บเอาไว้ด้วย "
    },
    {
      "message_id": 978,
      "agent_id": 14,
      "delay": 8.473,
      "onscreen_delay": 1.85,
      "typing_delay": 6.623,
      "typing_duration": 10.55,
      "wpm": 17,
      "message": "จดใส่ไหนนะคะ "
    },
    {
      "message_id": 979,
      "agent_id": 15,
      "delay": 6.548,
      "onscreen_delay": 1.348,
      "typing_delay": 5.2,
      "typing_duration": 11.58,
      "wpm": 13,
      "message": "เก็บเอาไว้ "
    },
    {
      "message_id": 980,
      "agent_id": 16,
      "delay": 7.984,
      "onscreen_delay": 0,
      "typing_delay": 7.984,
      "typing_duration": 11.484,
      "wpm": 14,
      "message": "เวลาสอบนะคะ "
    },
    {
      "message_id": 981,
      "agent_id": 13,
      "delay": 7.483,
      "onscreen_delay": 2.99,
      "typing_delay": 4.493,
      "typing_duration": 17.068,
      "wpm": 18,
      "message": "ครูจะให้เปิดเอกสาร ว"
    },
    {
      "message_id": 982,
      "agent_id": 14,
      "delay": 13.066,
      "onscreen_delay": 6.751,
      "typing_delay": 6.315,
      "typing_duration": 12.331,
      "wpm": 16,
      "message": "และตรวจเอกสาร"
    },
    {
      "message_id": 983,
      "agent_id": 15,
      "delay": 9.065,
      "onscreen_delay": 4.042,
      "typing_delay": 5.023,
      "typing_duration": 18.642,
      "wpm": 19,
      "message": "ด้วยนะ ว่าเอาอะไรบ้างมา "
    },
    {
      "message_id": 984,
      "agent_id": 16,
      "delay": 14.64,
      "onscreen_delay": 6.499,
      "typing_delay": 8.141,
      "typing_duration": 12.451,
      "wpm": 20,
      "message": "ถ้าที่จด ๆ ในห้อง"
    },
    {
      "message_id": 985,
      "agent_id": 13,
      "delay": 10.637,
      "onscreen_delay": 6.357,
      "typing_delay": 4.28,
      "typing_duration": 9.781,
      "wpm": 34,
      "message": "ไม่ถือมานี่ ไม่ได้นะคะ "
    },
    {
      "message_id": 986,
      "agent_id": 14,
      "delay": 8.489,
      "onscreen_delay": 0,
      "typing_delay": 8.489,
      "typing_duration": 8.489,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 987,
      "agent_id": 15,
      "delay": 5.559,
      "onscreen_delay": 0,
      "typing_delay": 5.559,
      "typing_duration": 13.548,
      "wpm": 23,
      "message": "จะเช็กว่าเอกสารครบไหม "
    },
    {
      "message_id": 988,
      "agent_id": 16,
      "delay": 9.546,
      "onscreen_delay": 2.712,
      "typing_delay": 6.834,
      "typing_duration": 9.165,
      "wpm": 29,
      "message": "มีครบหรือเปล่านะคะ "
    },
    {
      "message_id": 989,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 990,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 4.914,
      "typing_delay": 10.087,
      "typing_duration": 10.087,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 991,
      "agent_id": 15,
      "delay": 10.999,
      "onscreen_delay": 5.594,
      "typing_delay": 5.405,
      "typing_duration": 16.24,
      "wpm": 30,
      "message": "ไปเช็กกับเพื่อนนะคะ เพื่อนมีอะไร"
    },
    {
      "message_id": 992,
      "agent_id": 16,
      "delay": 12.238,
      "onscreen_delay": 6.591,
      "typing_delay": 5.647,
      "typing_duration": 8.459,
      "wpm": 16,
      "message": "เราต้องมี "
    },
    {
      "message_id": 993,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 994,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 995,
      "agent_id": 15,
      "delay": 15.001,
      "onscreen_delay": 5.317,
      "typing_delay": 9.684,
      "typing_duration": 9.684,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 996,
      "agent_id": 16,
      "delay": 11.541,
      "onscreen_delay": 0,
      "typing_delay": 11.541,
      "typing_duration": 11.541,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 997,
      "agent_id": 13,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 998,
      "agent_id": 14,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 999,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1000,
      "agent_id": 16,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1001,
      "agent_id": 13,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1002,
      "agent_id": 14,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1003,
      "agent_id": 15,
      "delay": 14.999,
      "onscreen_delay": 0.353,
      "typing_delay": 14.646,
      "typing_duration": 14.646,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1004,
      "agent_id": 16,
      "delay": 10.997,
      "onscreen_delay": 1.23,
      "typing_delay": 9.767,
      "typing_duration": 9.767,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1005,
      "agent_id": 13,
      "delay": 7.724,
      "onscreen_delay": 0,
      "typing_delay": 7.724,
      "typing_duration": 11.905,
      "wpm": 15,
      "message": "เสร็จหรือยัง "
    },
    {
      "message_id": 1006,
      "agent_id": 14,
      "delay": 7.905,
      "onscreen_delay": 1.602,
      "typing_delay": 6.303,
      "typing_duration": 12.808,
      "wpm": 32,
      "message": "เสร็จหมดแล้วนะ คือเดี๋ยวครู"
    },
    {
      "message_id": 1007,
      "agent_id": 15,
      "delay": 8.807,
      "onscreen_delay": 3.674,
      "typing_delay": 5.133,
      "typing_duration": 11.958,
      "wpm": 10,
      "message": "จะวาง... "
    },
    {
      "message_id": 1008,
      "agent_id": 16,
      "delay": 7.953,
      "onscreen_delay": 3.621,
      "typing_delay": 4.332,
      "typing_duration": 10.957,
      "wpm": 34,
      "message": "วางเอกสารไว้บนโต๊ะให้นะคะ "
    },
    {
      "message_id": 1009,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1010,
      "agent_id": 14,
      "delay": 15.941,
      "onscreen_delay": 0,
      "typing_delay": 15.941,
      "typing_duration": 15.941,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1011,
      "agent_id": 15,
      "delay": 11.94,
      "onscreen_delay": 3.923,
      "typing_delay": 8.017,
      "typing_duration": 18.999,
      "wpm": 22,
      "message": "สามารถมาเอาบนโต๊ะหน้าห้องได้  "
    },
    {
      "message_id": 1012,
      "agent_id": 16,
      "delay": 14.997,
      "onscreen_delay": 4.315,
      "typing_delay": 10.682,
      "typing_duration": 10.682,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1013,
      "agent_id": 13,
      "delay": 16.903,
      "onscreen_delay": 0,
      "typing_delay": 16.903,
      "typing_duration": 16.903,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1014,
      "agent_id": 14,
      "delay": 12.902,
      "onscreen_delay": 4.15,
      "typing_delay": 8.752,
      "typing_duration": 12.648,
      "wpm": 7,
      "message": "โอ.เค. "
    },
    {
      "message_id": 1015,
      "agent_id": 15,
      "delay": 8.901,
      "onscreen_delay": 3.113,
      "typing_delay": 5.788,
      "typing_duration": 11.392,
      "wpm": 20,
      "message": "ถ้าจดไม่ทันนะคะ "
    },
    {
      "message_id": 1016,
      "agent_id": 16,
      "delay": 7.391,
      "onscreen_delay": 2.602,
      "typing_delay": 4.789,
      "typing_duration": 12.008,
      "wpm": 40,
      "message": "มาถ่ายรูปที่หน้าห้อง ท้ายชั่วโมง "
    },
    {
      "message_id": 1017,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1018,
      "agent_id": 14,
      "delay": 15,
      "onscreen_delay": 6.855,
      "typing_delay": 8.145,
      "typing_duration": 13.607,
      "wpm": 8,
      "message": "ทำไมเรา"
    },
    {
      "message_id": 1019,
      "agent_id": 15,
      "delay": 10.999,
      "onscreen_delay": 6.449,
      "typing_delay": 4.55,
      "typing_duration": 16.225,
      "wpm": 30,
      "message": "ต้องเรียน Link List เมื่อกี้นะคะ "
    },
    {
      "message_id": 1020,
      "agent_id": 16,
      "delay": 12.223,
      "onscreen_delay": 6.567,
      "typing_delay": 5.656,
      "typing_duration": 14.86,
      "wpm": 43,
      "message": "ทำไมเราต้องทบทวน linklist เพราะเราจะต้องใช้ "
    },
    {
      "message_id": 1021,
      "agent_id": 13,
      "delay": 10.845,
      "onscreen_delay": 5.967,
      "typing_delay": 4.878,
      "typing_duration": 9.94,
      "wpm": 15,
      "message": "นะคะ มาใช้"
    },
    {
      "message_id": 1022,
      "agent_id": 14,
      "delay": 6.843,
      "onscreen_delay": 2.659,
      "typing_delay": 4.184,
      "typing_duration": 11.103,
      "wpm": 31,
      "message": "ในการดำเนินการกับ Queue "
    },
    {
      "message_id": 1023,
      "agent_id": 15,
      "delay": 7.101,
      "onscreen_delay": 2.183,
      "typing_delay": 4.918,
      "typing_duration": 18.663,
      "wpm": 19,
      "message": "คราวนี้ แล้วเราใช้ Queue "
    },
    {
      "message_id": 1024,
      "agent_id": 16,
      "delay": 14.655,
      "onscreen_delay": 9.754,
      "typing_delay": 4.901,
      "typing_duration": 9.229,
      "wpm": 31,
      "message": "ยกตัวอย่างเช่น นะคะ "
    },
    {
      "message_id": 1025,
      "agent_id": 13,
      "delay": 10.653,
      "onscreen_delay": 5.638,
      "typing_delay": 5.015,
      "typing_duration": 17.597,
      "wpm": 26,
      "message": "เอกสารไป Print ที่เครื่อง Print "
    },
    {
      "message_id": 1026,
      "agent_id": 14,
      "delay": 13.596,
      "onscreen_delay": 9.457,
      "typing_delay": 4.139,
      "typing_duration": 17.542,
      "wpm": 34,
      "message": "ด้านหลังเรามีเครื่องปริ้นแค่เครื่องเดียว "
    },
    {
      "message_id": 1027,
      "agent_id": 15,
      "delay": 13.54,
      "onscreen_delay": 8.804,
      "typing_delay": 4.736,
      "typing_duration": 18.761,
      "wpm": 22,
      "message": "เราสามารถ Print ได้จากทุก ๆ"
    },
    {
      "message_id": 1028,
      "agent_id": 16,
      "delay": 14.761,
      "onscreen_delay": 10.09,
      "typing_delay": 4.671,
      "typing_duration": 13.169,
      "wpm": 34,
      "message": "เครื่องพิมพ์เครื่องนั้น ใครที่"
    },
    {
      "message_id": 1029,
      "agent_id": 13,
      "delay": 10.76,
      "onscreen_delay": 6.241,
      "typing_delay": 4.519,
      "typing_duration": 16.02,
      "wpm": 36,
      "message": "ส่งไปก่อน ถูกไหมคะ มันก็จะมีการเข้าคิว"
    },
    {
      "message_id": 1030,
      "agent_id": 14,
      "delay": 12.015,
      "onscreen_delay": 7.741,
      "typing_delay": 4.274,
      "typing_duration": 17.236,
      "wpm": 38,
      "message": "เรียงลำดับมาเรื่อย ๆ คนที่ส่งไปก่อนก็จะปริ้น"
    },
    {
      "message_id": 1031,
      "agent_id": 15,
      "delay": 13.235,
      "onscreen_delay": 8.789,
      "typing_delay": 4.446,
      "typing_duration": 15.354,
      "wpm": 30,
      "message": "ออกก่อนใช่ไหมคะ คนที่ส่งที่หลัง"
    },
    {
      "message_id": 1032,
      "agent_id": 16,
      "delay": 11.354,
      "onscreen_delay": 5.695,
      "typing_delay": 5.659,
      "typing_duration": 10.762,
      "wpm": 39,
      "message": "ก็ต้องรอนะคะ เหมือนเรา login "
    },
    {
      "message_id": 1033,
      "agent_id": 13,
      "delay": 7.353,
      "onscreen_delay": 3.087,
      "typing_delay": 4.266,
      "typing_duration": 13.372,
      "wpm": 33,
      "message": "เพื่อจองตั๋วอะไรสักอย่างหนึ่ง "
    },
    {
      "message_id": 1034,
      "agent_id": 14,
      "delay": 9.37,
      "onscreen_delay": 5.002,
      "typing_delay": 4.368,
      "typing_duration": 18.085,
      "wpm": 38,
      "message": "ใครเข้าก่อนก็จะได้จองก่อน คนเข้าที่หลังก็อาจจะ"
    },
    {
      "message_id": 1035,
      "agent_id": 15,
      "delay": 14.085,
      "onscreen_delay": 9.275,
      "typing_delay": 4.81,
      "typing_duration": 17.058,
      "wpm": 27,
      "message": "ตั๋วเต็มแบบนี้ก็จะไม่ได้จองนะคะ "
    },
    {
      "message_id": 1036,
      "agent_id": 16,
      "delay": 13.056,
      "onscreen_delay": 8.753,
      "typing_delay": 4.303,
      "typing_duration": 10.429,
      "wpm": 42,
      "message": "อันนี้คือการประยุกต์ใช้ Queue "
    },
    {
      "message_id": 1037,
      "agent_id": 13,
      "delay": 9.056,
      "onscreen_delay": 4.881,
      "typing_delay": 4.175,
      "typing_duration": 15.39,
      "wpm": 30,
      "message": "การดำเนินการกับคิว เราใช้คำสั่ง"
    },
    {
      "message_id": 1038,
      "agent_id": 14,
      "delay": 11.389,
      "onscreen_delay": 7.312,
      "typing_delay": 4.077,
      "typing_duration": 15.556,
      "wpm": 40,
      "message": "อะไรบ้าง หรือทำอย่างไร ใน Queue ก็จะเหมือน"
    },
    {
      "message_id": 1039,
      "agent_id": 15,
      "delay": 11.545,
      "onscreen_delay": 7.123,
      "typing_delay": 4.422,
      "typing_duration": 17.171,
      "wpm": 29,
      "message": "กับใน Stack เลยนะคะ ก็จะใช้คู่กัน "
    },
    {
      "message_id": 1040,
      "agent_id": 16,
      "delay": 13.169,
      "onscreen_delay": 6.943,
      "typing_delay": 6.226,
      "typing_duration": 14.205,
      "wpm": 38,
      "message": "Queue เวลาเราเพิ่มข้อมูลลงไปใน Queue "
    },
    {
      "message_id": 1041,
      "agent_id": 13,
      "delay": 10.203,
      "onscreen_delay": 5.38,
      "typing_delay": 4.823,
      "typing_duration": 17.755,
      "wpm": 18,
      "message": "จะใช้คำสั่ง End Queue "
    },
    {
      "message_id": 1042,
      "agent_id": 14,
      "delay": 13.755,
      "onscreen_delay": 8.702,
      "typing_delay": 5.053,
      "typing_duration": 10.583,
      "wpm": 18,
      "message": "นะคะ ตัวนี้จะ"
    },
    {
      "message_id": 1043,
      "agent_id": 15,
      "delay": 9.754,
      "onscreen_delay": 5.277,
      "typing_delay": 4.477,
      "typing_duration": 18.722,
      "wpm": 9,
      "message": "อ่านว่า End "
    },
    {
      "message_id": 1044,
      "agent_id": 16,
      "delay": 14.721,
      "onscreen_delay": 8.277,
      "typing_delay": 6.444,
      "typing_duration": 10.859,
      "wpm": 11,
      "message": "endQueue "
    },
    {
      "message_id": 1045,
      "agent_id": 13,
      "delay": 10.72,
      "onscreen_delay": 5.933,
      "typing_delay": 4.787,
      "typing_duration": 12.588,
      "wpm": 31,
      "message": "การเพิ่มข้อมูลลงไปใน Queue  "
    },
    {
      "message_id": 1046,
      "agent_id": 14,
      "delay": 8.588,
      "onscreen_delay": 4.495,
      "typing_delay": 4.093,
      "typing_duration": 12.034,
      "wpm": 40,
      "message": "ส่วนการลบ Queue หรือการดึงข้อมูล"
    },
    {
      "message_id": 1047,
      "agent_id": 15,
      "delay": 8.032,
      "onscreen_delay": 2.689,
      "typing_delay": 5.343,
      "typing_duration": 18.887,
      "wpm": 25,
      "message": "ออกจาก Queue จะใช้คำสั่ง DQueue  "
    },
    {
      "message_id": 1048,
      "agent_id": 16,
      "delay": 14.886,
      "onscreen_delay": 10.249,
      "typing_delay": 4.637,
      "typing_duration": 8.441,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1049,
      "agent_id": 13,
      "delay": 10.884,
      "onscreen_delay": 4.941,
      "typing_delay": 5.943,
      "typing_duration": 13.109,
      "wpm": 18,
      "message": "นะคะ เพราะฉะนั้น"
    },
    {
      "message_id": 1050,
      "agent_id": 14,
      "delay": 9.109,
      "onscreen_delay": 5.11,
      "typing_delay": 3.999,
      "typing_duration": 16.601,
      "wpm": 31,
      "message": "ใน Queue ถ้าเอาเข้าก็คือ End Queue "
    },
    {
      "message_id": 1051,
      "agent_id": 15,
      "delay": 12.601,
      "onscreen_delay": 8.152,
      "typing_delay": 4.449,
      "typing_duration": 14.562,
      "wpm": 16,
      "message": "เอาออกคือ DQueue "
    },
    {
      "message_id": 1052,
      "agent_id": 16,
      "delay": 10.56,
      "onscreen_delay": 6.298,
      "typing_delay": 4.262,
      "typing_duration": 17.011,
      "wpm": 26,
      "message": "เข้าคือ endQueue ออกคือ dQueue "
    },
    {
      "message_id": 1053,
      "agent_id": 13,
      "delay": 13.01,
      "onscreen_delay": 3.89,
      "typing_delay": 9.12,
      "typing_duration": 9.12,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1054,
      "agent_id": 14,
      "delay": 9.008,
      "onscreen_delay": 3.298,
      "typing_delay": 5.71,
      "typing_duration": 13.239,
      "wpm": 18,
      "message": "เราต้องมีการเช็ก"
    },
    {
      "message_id": 1055,
      "agent_id": 15,
      "delay": 9.237,
      "onscreen_delay": 4.742,
      "typing_delay": 4.495,
      "typing_duration": 17.377,
      "wpm": 24,
      "message": "ตรวจสอบสถานะว่า Queue ตอนนี้ "
    },
    {
      "message_id": 1056,
      "agent_id": 16,
      "delay": 13.376,
      "onscreen_delay": 9.383,
      "typing_delay": 3.993,
      "typing_duration": 10.976,
      "wpm": 33,
      "message": "เรามีข้อมูลอยู่หรือเปล่า "
    },
    {
      "message_id": 1057,
      "agent_id": 13,
      "delay": 9.364,
      "onscreen_delay": 4.317,
      "typing_delay": 5.047,
      "typing_duration": 13.23,
      "wpm": 27,
      "message": "ก็คือมี Node อยู่ไหม ถ้า "
    },
    {
      "message_id": 1058,
      "agent_id": 14,
      "delay": 9.218,
      "onscreen_delay": 4.397,
      "typing_delay": 4.821,
      "typing_duration": 13.053,
      "wpm": 40,
      "message": "Queue ของเราไม่มีโหนดอะไรอยู่เลย จะ"
    },
    {
      "message_id": 1059,
      "agent_id": 15,
      "delay": 9.052,
      "onscreen_delay": 4.712,
      "typing_delay": 4.34,
      "typing_duration": 15.737,
      "wpm": 23,
      "message": "เรียก Queue นั้นว่า เป็น "
    },
    {
      "message_id": 1060,
      "agent_id": 16,
      "delay": 11.736,
      "onscreen_delay": 5.972,
      "typing_delay": 5.764,
      "typing_duration": 12.798,
      "wpm": 47,
      "message": "Queue ว่างคือไม่มีข้อมูลอยู่ใน Queue เลย "
    },
    {
      "message_id": 1061,
      "agent_id": 13,
      "delay": 8.796,
      "onscreen_delay": 0.737,
      "typing_delay": 8.059,
      "typing_duration": 8.059,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1062,
      "agent_id": 14,
      "delay": 7.698,
      "onscreen_delay": 0,
      "typing_delay": 7.698,
      "typing_duration": 9.898,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1063,
      "agent_id": 15,
      "delay": 5.896,
      "onscreen_delay": 1.295,
      "typing_delay": 4.601,
      "typing_duration": 18.605,
      "wpm": 15,
      "message": "เราจะเรียกว่า Emty  "
    },
    {
      "message_id": 1064,
      "agent_id": 16,
      "delay": 14.605,
      "onscreen_delay": 5.07,
      "typing_delay": 9.535,
      "typing_duration": 9.535,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1065,
      "agent_id": 13,
      "delay": 10.604,
      "onscreen_delay": 5.676,
      "typing_delay": 4.928,
      "typing_duration": 9.932,
      "wpm": 15,
      "message": "ภาษาอังกฤษ "
    },
    {
      "message_id": 1066,
      "agent_id": 14,
      "delay": 6.602,
      "onscreen_delay": 1.316,
      "typing_delay": 5.286,
      "typing_duration": 12.867,
      "wpm": 19,
      "message": "ถ้าเราอยากรู้ว่า"
    },
    {
      "message_id": 1067,
      "agent_id": 15,
      "delay": 8.865,
      "onscreen_delay": 4.594,
      "typing_delay": 4.271,
      "typing_duration": 18.546,
      "wpm": 27,
      "message": "ข้อมูลตัวแรกสุดที่อยู่ใน Queue คือ "
    },
    {
      "message_id": 1068,
      "agent_id": 16,
      "delay": 14.546,
      "onscreen_delay": 6.611,
      "typing_delay": 7.935,
      "typing_duration": 13.773,
      "wpm": 32,
      "message": "ข้อมูลแรกที่อยู่คือข้อมูลอะไร "
    },
    {
      "message_id": 1069,
      "agent_id": 13,
      "delay": 10.544,
      "onscreen_delay": 6.2,
      "typing_delay": 4.344,
      "typing_duration": 10.935,
      "wpm": 32,
      "message": "คือข้อมูลที่จะถูกเอาออก"
    },
    {
      "message_id": 1070,
      "agent_id": 14,
      "delay": 6.935,
      "onscreen_delay": 2.793,
      "typing_delay": 4.142,
      "typing_duration": 15.192,
      "wpm": 23,
      "message": "เป็นตัวแรกนะคะ เราจะใช้"
    },
    {
      "message_id": 1071,
      "agent_id": 15,
      "delay": 11.191,
      "onscreen_delay": 6.496,
      "typing_delay": 4.695,
      "typing_duration": 11.526,
      "wpm": 8,
      "message": "คำสั่ง "
    },
    {
      "message_id": 1072,
      "agent_id": 16,
      "delay": 7.525,
      "onscreen_delay": 1.307,
      "typing_delay": 6.218,
      "typing_duration": 14.585,
      "wpm": 29,
      "message": "เราจะเรียกคำสั่งนั้นว่า peak "
    },
    {
      "message_id": 1073,
      "agent_id": 13,
      "delay": 10.579,
      "onscreen_delay": 1.695,
      "typing_delay": 8.884,
      "typing_duration": 8.884,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1074,
      "agent_id": 14,
      "delay": 6.789,
      "onscreen_delay": 0,
      "typing_delay": 6.789,
      "typing_duration": 13.85,
      "wpm": 43,
      "message": "คราวนี้เรามาดูทีละตัวนะคะ การเพิ่มข้อมูล"
    },
    {
      "message_id": 1075,
      "agent_id": 15,
      "delay": 10.662,
      "onscreen_delay": 0,
      "typing_delay": 10.662,
      "typing_duration": 19.001,
      "wpm": 16,
      "message": "การเพิ่มข้อมูลลงไปใน "
    },
    {
      "message_id": 1076,
      "agent_id": 16,
      "delay": 14.999,
      "onscreen_delay": 10.369,
      "typing_delay": 4.63,
      "typing_duration": 9.943,
      "wpm": 36,
      "message": "หรือที่เรียกว่า endQueue "
    },
    {
      "message_id": 1077,
      "agent_id": 13,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1078,
      "agent_id": 14,
      "delay": 14.998,
      "onscreen_delay": 9.866,
      "typing_delay": 5.132,
      "typing_duration": 15.543,
      "wpm": 17,
      "message": "การเพิ่มข้อมูลใหม่ "
    },
    {
      "message_id": 1079,
      "agent_id": 15,
      "delay": 11.542,
      "onscreen_delay": 6.82,
      "typing_delay": 4.722,
      "typing_duration": 16.053,
      "wpm": 28,
      "message": "การเพิ่มข้อมูลใหหม่ เราจะเอาไป"
    },
    {
      "message_id": 1080,
      "agent_id": 16,
      "delay": 12.052,
      "onscreen_delay": 7.713,
      "typing_delay": 4.339,
      "typing_duration": 13.598,
      "wpm": 47,
      "message": "ต่อท้ายสุดถูกไหมคะ ตามโครงสร้างของ linklist "
    },
    {
      "message_id": 1081,
      "agent_id": 13,
      "delay": 9.597,
      "onscreen_delay": 5.259,
      "typing_delay": 4.338,
      "typing_duration": 13.8,
      "wpm": 32,
      "message": "ที่เราเรียนมา เพิ่มข้อมูลใหม่ "
    },
    {
      "message_id": 1082,
      "agent_id": 14,
      "delay": 9.798,
      "onscreen_delay": 5.715,
      "typing_delay": 4.083,
      "typing_duration": 11.8,
      "wpm": 36,
      "message": "เอาไปต่อท้ายใน LinkList นะคะ "
    },
    {
      "message_id": 1083,
      "agent_id": 15,
      "delay": 7.8,
      "onscreen_delay": 0.644,
      "typing_delay": 7.156,
      "typing_duration": 18.806,
      "wpm": 29,
      "message": "ถ้าเป็น Queue ถูกไหม เพิ่มข้อมูลใหม่ "
    },
    {
      "message_id": 1084,
      "agent_id": 16,
      "delay": 14.805,
      "onscreen_delay": 8.67,
      "typing_delay": 6.135,
      "typing_duration": 14.349,
      "wpm": 33,
      "message": "ถ้าเป็น linklist เพิ่มข้อมูลใหม่ "
    },
    {
      "message_id": 1085,
      "agent_id": 13,
      "delay": 10.803,
      "onscreen_delay": 5.952,
      "typing_delay": 4.851,
      "typing_duration": 18.574,
      "wpm": 18,
      "message": "ต่อด้านหลัง คราวนี้ครู"
    },
    {
      "message_id": 1086,
      "agent_id": 14,
      "delay": 14.573,
      "onscreen_delay": 10.493,
      "typing_delay": 4.08,
      "typing_duration": 11.879,
      "wpm": 49,
      "message": "ให้เวลาอ่านตรงขั้นตอนการเพิ่มข้อมูลใหม่ "
    },
    {
      "message_id": 1087,
      "agent_id": 15,
      "delay": 10.572,
      "onscreen_delay": 5.697,
      "typing_delay": 4.875,
      "typing_duration": 18.048,
      "wpm": 26,
      "message": "อ่านของใครของมันสิคะ 4-5 บรรทัด "
    },
    {
      "message_id": 1088,
      "agent_id": 16,
      "delay": 14.046,
      "onscreen_delay": 7.911,
      "typing_delay": 6.135,
      "typing_duration": 10.267,
      "wpm": 39,
      "message": "ตรงนี้นะคะ ตรงขั้นตอนตรงนี้ "
    },
    {
      "message_id": 1089,
      "agent_id": 13,
      "delay": 10.045,
      "onscreen_delay": 3.545,
      "typing_delay": 6.5,
      "typing_duration": 11.832,
      "wpm": 20,
      "message": "ตรงขั้นตอนตรงนี้ "
    },
    {
      "message_id": 1090,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1091,
      "agent_id": 15,
      "delay": 15,
      "onscreen_delay": 10.605,
      "typing_delay": 4.395,
      "typing_duration": 16.512,
      "wpm": 21,
      "message": "อ่าน ต่างคนต่างอ่านเร็ว "
    },
    {
      "message_id": 1092,
      "agent_id": 16,
      "delay": 12.511,
      "onscreen_delay": 3.88,
      "typing_delay": 8.631,
      "typing_duration": 11.145,
      "wpm": 11,
      "message": "อ่านก่อน "
    },
    {
      "message_id": 1093,
      "agent_id": 13,
      "delay": 8.51,
      "onscreen_delay": 4.274,
      "typing_delay": 4.236,
      "typing_duration": 17.312,
      "wpm": 30,
      "message": "แล้วดูรูปประกอบ อ่านแล้วดูรูปประกอบ"
    },
    {
      "message_id": 1094,
      "agent_id": 14,
      "delay": 13.31,
      "onscreen_delay": 8.513,
      "typing_delay": 4.797,
      "typing_duration": 14.485,
      "wpm": 30,
      "message": "ด้วยนะคะ ครูให้เวลา นาทีหนึ่ง "
    },
    {
      "message_id": 1095,
      "agent_id": 15,
      "delay": 10.484,
      "onscreen_delay": 0.1,
      "typing_delay": 10.384,
      "typing_duration": 12.717,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1096,
      "agent_id": 16,
      "delay": 8.715,
      "onscreen_delay": 2.032,
      "typing_delay": 6.683,
      "typing_duration": 15.796,
      "wpm": 27,
      "message": "ทุกคนรู้จัก Head รู้จัก tail "
    },
    {
      "message_id": 1097,
      "agent_id": 13,
      "delay": 11.796,
      "onscreen_delay": 4.347,
      "typing_delay": 7.449,
      "typing_duration": 12.023,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1098,
      "agent_id": 14,
      "delay": 8.022,
      "onscreen_delay": 3.789,
      "typing_delay": 4.233,
      "typing_duration": 9.702,
      "wpm": 12,
      "message": "แล้วนะคะ "
    },
    {
      "message_id": 1099,
      "agent_id": 15,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1100,
      "agent_id": 16,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1101,
      "agent_id": 13,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1102,
      "agent_id": 14,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1103,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1104,
      "agent_id": 16,
      "delay": 14.999,
      "onscreen_delay": 3.737,
      "typing_delay": 11.262,
      "typing_duration": 11.262,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1105,
      "agent_id": 13,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1106,
      "agent_id": 14,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1107,
      "agent_id": 15,
      "delay": 15,
      "onscreen_delay": 3.328,
      "typing_delay": 11.672,
      "typing_duration": 11.672,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1108,
      "agent_id": 16,
      "delay": 10.998,
      "onscreen_delay": 3.812,
      "typing_delay": 7.186,
      "typing_duration": 10.333,
      "wpm": 16,
      "message": "อ่านหรือยัง "
    },
    {
      "message_id": 1109,
      "agent_id": 13,
      "delay": 6.994,
      "onscreen_delay": 1.593,
      "typing_delay": 5.401,
      "typing_duration": 10.13,
      "wpm": 25,
      "message": "อ่านนะคะ 5 บรรทัด "
    },
    {
      "message_id": 1110,
      "agent_id": 14,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1111,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1112,
      "agent_id": 16,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1113,
      "agent_id": 13,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1114,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1115,
      "agent_id": 15,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1116,
      "agent_id": 16,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1117,
      "agent_id": 13,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1118,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1119,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1120,
      "agent_id": 16,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1121,
      "agent_id": 13,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1122,
      "agent_id": 14,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1123,
      "agent_id": 15,
      "delay": 14.999,
      "onscreen_delay": 0.156,
      "typing_delay": 14.843,
      "typing_duration": 14.843,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1124,
      "agent_id": 16,
      "delay": 11.578,
      "onscreen_delay": 0,
      "typing_delay": 11.578,
      "typing_duration": 11.578,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1125,
      "agent_id": 13,
      "delay": 9.655,
      "onscreen_delay": 0,
      "typing_delay": 9.655,
      "typing_duration": 13.741,
      "wpm": 15,
      "message": "เสร็จหรือยังคะ "
    },
    {
      "message_id": 1126,
      "agent_id": 14,
      "delay": 9.74,
      "onscreen_delay": 5.573,
      "typing_delay": 4.167,
      "typing_duration": 14.746,
      "wpm": 43,
      "message": "เสร็จแล้วนะคะ ขั้นตอนของการเพิ่มข้อมูลใหม่"
    },
    {
      "message_id": 1127,
      "agent_id": 15,
      "delay": 10.744,
      "onscreen_delay": 5.764,
      "typing_delay": 4.98,
      "typing_duration": 12.493,
      "wpm": 32,
      "message": "นะคะ เขาก็บอกว่า ขั้นแรกนี่ "
    },
    {
      "message_id": 1128,
      "agent_id": 16,
      "delay": 8.493,
      "onscreen_delay": 3.318,
      "typing_delay": 5.175,
      "typing_duration": 12.77,
      "wpm": 28,
      "message": "กำหนดให้ตัวชี้ head head "
    },
    {
      "message_id": 1129,
      "agent_id": 13,
      "delay": 8.769,
      "onscreen_delay": 4.537,
      "typing_delay": 4.232,
      "typing_duration": 19.002,
      "wpm": 28,
      "message": "จะชี้อยู่ที่ต้น Node ก็คือ Node แรก "
    },
    {
      "message_id": 1130,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 10.469,
      "typing_delay": 4.532,
      "typing_duration": 12.608,
      "wpm": 46,
      "message": "ชี้ที่โหนดสุดท้ายนะคะ อันนี้คือกำหนดให้ "
    },
    {
      "message_id": 1131,
      "agent_id": 15,
      "delay": 11,
      "onscreen_delay": 5.143,
      "typing_delay": 5.857,
      "typing_duration": 16.347,
      "wpm": 22,
      "message": "Head ชี้อยู่ที่ Node แรก "
    },
    {
      "message_id": 1132,
      "agent_id": 16,
      "delay": 12.345,
      "onscreen_delay": 4.324,
      "typing_delay": 8.021,
      "typing_duration": 10.319,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1133,
      "agent_id": 13,
      "delay": 8.345,
      "onscreen_delay": 3.975,
      "typing_delay": 4.37,
      "typing_duration": 9.935,
      "wpm": 38,
      "message": "ในการเพิ่มข้อมูลใหม่ ต้อง"
    },
    {
      "message_id": 1134,
      "agent_id": 14,
      "delay": 5.935,
      "onscreen_delay": 1.816,
      "typing_delay": 4.119,
      "typing_duration": 13.081,
      "wpm": 22,
      "message": "มีการตรวจสอบก่อนว่า"
    },
    {
      "message_id": 1135,
      "agent_id": 15,
      "delay": 9.08,
      "onscreen_delay": 2.08,
      "typing_delay": 7,
      "typing_duration": 14.246,
      "wpm": 13,
      "message": "ใน Link List "
    },
    {
      "message_id": 1136,
      "agent_id": 16,
      "delay": 10.245,
      "onscreen_delay": 5.978,
      "typing_delay": 4.267,
      "typing_duration": 14.733,
      "wpm": 17,
      "message": "ของเรานั้นมี node "
    },
    {
      "message_id": 1137,
      "agent_id": 13,
      "delay": 10.732,
      "onscreen_delay": 5.647,
      "typing_delay": 5.085,
      "typing_duration": 10.213,
      "wpm": 29,
      "message": "อยู่เดิมหรือไม่ นะคะ "
    },
    {
      "message_id": 1138,
      "agent_id": 14,
      "delay": 11.843,
      "onscreen_delay": 0,
      "typing_delay": 11.843,
      "typing_duration": 11.843,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1139,
      "agent_id": 15,
      "delay": 7.841,
      "onscreen_delay": 3.344,
      "typing_delay": 4.497,
      "typing_duration": 19,
      "wpm": 16,
      "message": "ถ้าไม่มี Node ใดอยู่ "
    },
    {
      "message_id": 1140,
      "agent_id": 16,
      "delay": 14.998,
      "onscreen_delay": 8.96,
      "typing_delay": 6.038,
      "typing_duration": 11.219,
      "wpm": 33,
      "message": "เรากำลังจะสร้าง node ใหม่ "
    },
    {
      "message_id": 1141,
      "agent_id": 13,
      "delay": 10.997,
      "onscreen_delay": 5.665,
      "typing_delay": 5.332,
      "typing_duration": 10.689,
      "wpm": 24,
      "message": "ของ Queue นี้นะคะ "
    },
    {
      "message_id": 1142,
      "agent_id": 14,
      "delay": 6.987,
      "onscreen_delay": 1.749,
      "typing_delay": 5.238,
      "typing_duration": 12.898,
      "wpm": 21,
      "message": "แต่ถ้ามีข้อมูลเดิม"
    },
    {
      "message_id": 1143,
      "agent_id": 15,
      "delay": 8.897,
      "onscreen_delay": 4.334,
      "typing_delay": 4.563,
      "typing_duration": 11.698,
      "wpm": 35,
      "message": "อยู่เราต้องเอาไปต่อข้างหลัง"
    },
    {
      "message_id": 1144,
      "agent_id": 16,
      "delay": 7.698,
      "onscreen_delay": 2.693,
      "typing_delay": 5.005,
      "typing_duration": 8.43,
      "wpm": 7,
      "message": "นะคะ "
    },
    {
      "message_id": 1145,
      "agent_id": 13,
      "delay": 5.217,
      "onscreen_delay": 0,
      "typing_delay": 5.217,
      "typing_duration": 14.689,
      "wpm": 31,
      "message": "ในการตรวจสอบว่า เป็น Node ใหม่"
    },
    {
      "message_id": 1146,
      "agent_id": 14,
      "delay": 10.687,
      "onscreen_delay": 6.125,
      "typing_delay": 4.562,
      "typing_duration": 13.882,
      "wpm": 27,
      "message": "หรือเปล่า เราเช็กที่ Head "
    },
    {
      "message_id": 1147,
      "agent_id": 15,
      "delay": 9.881,
      "onscreen_delay": 3.889,
      "typing_delay": 5.992,
      "typing_duration": 19.001,
      "wpm": 24,
      "message": "ใช่ไหมคะ ถ้า Node มีค่าเป็น nun"
    },
    {
      "message_id": 1148,
      "agent_id": 16,
      "delay": 14.991,
      "onscreen_delay": 8.849,
      "typing_delay": 6.142,
      "typing_duration": 12.569,
      "wpm": 21,
      "message": "แสดงว่าใน linklist "
    },
    {
      "message_id": 1149,
      "agent_id": 13,
      "delay": 10.989,
      "onscreen_delay": 6.451,
      "typing_delay": 4.538,
      "typing_duration": 10.422,
      "wpm": 26,
      "message": "เรามี Node อยู่ไหม "
    },
    {
      "message_id": 1150,
      "agent_id": 14,
      "delay": 6.988,
      "onscreen_delay": 1.803,
      "typing_delay": 5.185,
      "typing_duration": 17.862,
      "wpm": 8,
      "message": "ครูถามว่า "
    },
    {
      "message_id": 1151,
      "agent_id": 15,
      "delay": 13.861,
      "onscreen_delay": 9.153,
      "typing_delay": 4.708,
      "typing_duration": 15.238,
      "wpm": 20,
      "message": "ถ้า Node เท่ากับ nun "
    },
    {
      "message_id": 1152,
      "agent_id": 16,
      "delay": 11.236,
      "onscreen_delay": 5.178,
      "typing_delay": 6.058,
      "typing_duration": 13.233,
      "wpm": 28,
      "message": "แสดงว่าใน linklist ของเรา"
    },
    {
      "message_id": 1153,
      "agent_id": 13,
      "delay": 9.232,
      "onscreen_delay": 4.525,
      "typing_delay": 4.707,
      "typing_duration": 10.955,
      "wpm": 21,
      "message": "มี Node อยู่ไหม "
    },
    {
      "message_id": 1154,
      "agent_id": 14,
      "delay": 6.953,
      "onscreen_delay": 2.822,
      "typing_delay": 4.131,
      "typing_duration": 15.13,
      "wpm": 50,
      "message": "ไม่มีถูกไหม Head ไม่ได้ชี้ที่ไหนเลย Head ยังไม่รู้"
    },
    {
      "message_id": 1155,
      "agent_id": 15,
      "delay": 11.13,
      "onscreen_delay": 6.572,
      "typing_delay": 4.558,
      "typing_duration": 19,
      "wpm": 28,
      "message": "อยู่ตรงไหนเลย เพราะฉะนั้นมี Node ไหม"
    },
    {
      "message_id": 1156,
      "agent_id": 16,
      "delay": 14.998,
      "onscreen_delay": 8.931,
      "typing_delay": 6.067,
      "typing_duration": 11.651,
      "wpm": 35,
      "message": "ไม่มีนะคะ เหมือนรถไฟนี่นะคะ "
    },
    {
      "message_id": 1157,
      "agent_id": 13,
      "delay": 10.997,
      "onscreen_delay": 6.748,
      "typing_delay": 4.249,
      "typing_duration": 17.284,
      "wpm": 35,
      "message": "ถ้าไม่มีหัวโบกี้ จะรู้ไหมอันไหนคืออันแรก "
    },
    {
      "message_id": 1158,
      "agent_id": 14,
      "delay": 13.283,
      "onscreen_delay": 8.832,
      "typing_delay": 4.451,
      "typing_duration": 8.377,
      "wpm": 18,
      "message": "ไม่รู้นะคะ "
    },
    {
      "message_id": 1159,
      "agent_id": 15,
      "delay": 9.283,
      "onscreen_delay": 3.441,
      "typing_delay": 5.842,
      "typing_duration": 18.017,
      "wpm": 17,
      "message": "ถ้า Head เท่ากับ NUN "
    },
    {
      "message_id": 1160,
      "agent_id": 16,
      "delay": 14.017,
      "onscreen_delay": 6.908,
      "typing_delay": 7.109,
      "typing_duration": 13.368,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1161,
      "agent_id": 13,
      "delay": 10.015,
      "onscreen_delay": 5.668,
      "typing_delay": 4.347,
      "typing_duration": 18.049,
      "wpm": 27,
      "message": "แสดงว่าเป็น Node ใหม่ คือเช็กว่า "
    },
    {
      "message_id": 1162,
      "agent_id": 14,
      "delay": 14.049,
      "onscreen_delay": 9.884,
      "typing_delay": 4.165,
      "typing_duration": 14.319,
      "wpm": 41,
      "message": "หรือเปล่า ถ้าเป็นโหนดใหม่ เราก็ให้ Head "
    },
    {
      "message_id": 1163,
      "agent_id": 15,
      "delay": 10.317,
      "onscreen_delay": 5.613,
      "typing_delay": 4.704,
      "typing_duration": 16.831,
      "wpm": 25,
      "message": "และ Tail ชี้ที่ Node ใหม่เลย "
    },
    {
      "message_id": 1164,
      "agent_id": 16,
      "delay": 12.831,
      "onscreen_delay": 5.508,
      "typing_delay": 7.323,
      "typing_duration": 8.447,
      "wpm": 5,
      "message": "แต่"
    },
    {
      "message_id": 1165,
      "agent_id": 13,
      "delay": 8.829,
      "onscreen_delay": 4.429,
      "typing_delay": 4.4,
      "typing_duration": 17.426,
      "wpm": 19,
      "message": "แต่ถ้าไม่ใช้ Node ใหม่"
    },
    {
      "message_id": 1166,
      "agent_id": 14,
      "delay": 13.425,
      "onscreen_delay": 8.904,
      "typing_delay": 4.521,
      "typing_duration": 12.639,
      "wpm": 30,
      "message": "นะคะ แต่ถ้าไม่ใช่โหนดใหม่"
    },
    {
      "message_id": 1167,
      "agent_id": 15,
      "delay": 9.424,
      "onscreen_delay": 5.063,
      "typing_delay": 4.361,
      "typing_duration": 13.071,
      "wpm": 32,
      "message": "ให้เอา Node ที่เราจะใส่เพิ่ม"
    },
    {
      "message_id": 1168,
      "agent_id": 16,
      "delay": 9.07,
      "onscreen_delay": 4.383,
      "typing_delay": 4.687,
      "typing_duration": 8.441,
      "wpm": 23,
      "message": "ไปต่อด้านท้าย"
    },
    {
      "message_id": 1169,
      "agent_id": 13,
      "delay": 6.655,
      "onscreen_delay": 0,
      "typing_delay": 6.655,
      "typing_duration": 10.24,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1170,
      "agent_id": 14,
      "delay": 6.239,
      "onscreen_delay": 2.192,
      "typing_delay": 4.047,
      "typing_duration": 14.439,
      "wpm": 21,
      "message": "ถ้าไม่ใช่ Queue ว่าง "
    },
    {
      "message_id": 1171,
      "agent_id": 15,
      "delay": 10.438,
      "onscreen_delay": 5.871,
      "typing_delay": 4.567,
      "typing_duration": 15.05,
      "wpm": 28,
      "message": "ก็คือไม่มี Node ใด ๆ อยู่เลย "
    },
    {
      "message_id": 1172,
      "agent_id": 16,
      "delay": 11.048,
      "onscreen_delay": 5.51,
      "typing_delay": 5.538,
      "typing_duration": 9.284,
      "wpm": 36,
      "message": "ก็เอาไปต่อท้ายด้านหลัง "
    },
    {
      "message_id": 1173,
      "agent_id": 13,
      "delay": 7.047,
      "onscreen_delay": 2.007,
      "typing_delay": 5.04,
      "typing_duration": 13.177,
      "wpm": 39,
      "message": "ด้วยคำสั่งอะไร เมื่อกี้ทำไปแล้วน่ะ "
    },
    {
      "message_id": 1174,
      "agent_id": 14,
      "delay": 9.177,
      "onscreen_delay": 3.913,
      "typing_delay": 5.264,
      "typing_duration": 14.533,
      "wpm": 29,
      "message": "อันนี้คือ LinkList อันนี้คือ "
    },
    {
      "message_id": 1175,
      "agent_id": 15,
      "delay": 10.531,
      "onscreen_delay": 4.763,
      "typing_delay": 5.768,
      "typing_duration": 15.375,
      "wpm": 35,
      "message": "Node ใหม่ จะเชื่อมด้วยคำสั่งใหม่นะคะ "
    },
    {
      "message_id": 1176,
      "agent_id": 16,
      "delay": 11.374,
      "onscreen_delay": 5.151,
      "typing_delay": 6.223,
      "typing_duration": 11.53,
      "wpm": 13,
      "message": "tail. อะไร "
    },
    {
      "message_id": 1177,
      "agent_id": 13,
      "delay": 7.528,
      "onscreen_delay": 1.888,
      "typing_delay": 5.64,
      "typing_duration": 17.305,
      "wpm": 19,
      "message": "อะไร .Next เท่ากับอะไร "
    },
    {
      "message_id": 1178,
      "agent_id": 14,
      "delay": 13.305,
      "onscreen_delay": 7.79,
      "typing_delay": 5.515,
      "typing_duration": 10.345,
      "wpm": 32,
      "message": "จะเชื่อมตัวนี้มาที่นี้ "
    },
    {
      "message_id": 1179,
      "agent_id": 15,
      "delay": 9.303,
      "onscreen_delay": 4.787,
      "typing_delay": 4.516,
      "typing_duration": 19.001,
      "wpm": 21,
      "message": "ก็คือใช่ tail.next เท่ากั้บ"
    },
    {
      "message_id": 1180,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 9.968,
      "typing_delay": 5.032,
      "typing_duration": 8.705,
      "wpm": 12,
      "message": "newdata "
    },
    {
      "message_id": 1181,
      "agent_id": 13,
      "delay": 10.999,
      "onscreen_delay": 6.742,
      "typing_delay": 4.257,
      "typing_duration": 15.967,
      "wpm": 30,
      "message": "ก็เพราะมันมีตัวชี้ชื่อนี้ อันนี้"
    },
    {
      "message_id": 1182,
      "agent_id": 14,
      "delay": 11.964,
      "onscreen_delay": 7.817,
      "typing_delay": 4.147,
      "typing_duration": 10.499,
      "wpm": 34,
      "message": "ชื่ออะไร ก็เปลี่ยนไปนะคะ "
    },
    {
      "message_id": 1183,
      "agent_id": 15,
      "delay": 7.964,
      "onscreen_delay": 0.425,
      "typing_delay": 7.539,
      "typing_duration": 13.168,
      "wpm": 11,
      "message": "โอ.เค. ไหม "
    },
    {
      "message_id": 1184,
      "agent_id": 16,
      "delay": 9.167,
      "onscreen_delay": 4.205,
      "typing_delay": 4.962,
      "typing_duration": 8.27,
      "wpm": 24,
      "message": "งงไหมคะ ไม่งง"
    },
    {
      "message_id": 1185,
      "agent_id": 13,
      "delay": 6.361,
      "onscreen_delay": 0,
      "typing_delay": 6.361,
      "typing_duration": 11.708,
      "wpm": 17,
      "message": "ถ้า ครูถามต่อ "
    },
    {
      "message_id": 1186,
      "agent_id": 14,
      "delay": 7.707,
      "onscreen_delay": 3.645,
      "typing_delay": 4.062,
      "typing_duration": 17.87,
      "wpm": 43,
      "message": "ถ้าเป็นกรณีแรกคือเป็น Queue ว่าง ไม่มี Node อะไรเลย "
    },
    {
      "message_id": 1187,
      "agent_id": 15,
      "delay": 13.868,
      "onscreen_delay": 8.308,
      "typing_delay": 5.56,
      "typing_duration": 14.325,
      "wpm": 19,
      "message": "ถ้าครูมี Node ใหม่ "
    },
    {
      "message_id": 1188,
      "agent_id": 16,
      "delay": 10.324,
      "onscreen_delay": 5.958,
      "typing_delay": 4.366,
      "typing_duration": 10.078,
      "wpm": 51,
      "message": "ครูมีตัวชี้ก็คือตัว P มีค่าเป็น 10 "
    },
    {
      "message_id": 1189,
      "agent_id": 13,
      "delay": 6.313,
      "onscreen_delay": 1.105,
      "typing_delay": 5.208,
      "typing_duration": 19.002,
      "wpm": 28,
      "message": "ตอนนี้ Link List ไม่มีข้อมูลอะไรเลย "
    },
    {
      "message_id": 1190,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 8.524,
      "typing_delay": 6.477,
      "typing_duration": 13.497,
      "wpm": 27,
      "message": "เราต้องให้ตัวชี้ ชี้อยู่"
    },
    {
      "message_id": 1191,
      "agent_id": 15,
      "delay": 10.999,
      "onscreen_delay": 6.648,
      "typing_delay": 4.351,
      "typing_duration": 12.398,
      "wpm": 16,
      "message": "ที่ไหน ชี้ที่ "
    },
    {
      "message_id": 1192,
      "agent_id": 16,
      "delay": 8.397,
      "onscreen_delay": 3.424,
      "typing_delay": 4.973,
      "typing_duration": 10.598,
      "wpm": 42,
      "message": "node ใหม่ คือชี้ที่นี่ถูกไหมคะ "
    },
    {
      "message_id": 1193,
      "agent_id": 13,
      "delay": 6.597,
      "onscreen_delay": 1.808,
      "typing_delay": 4.789,
      "typing_duration": 11.554,
      "wpm": 39,
      "message": "แล้วก็ให้อะไรชี้อยู่ที่นี่ด้วย "
    },
    {
      "message_id": 1194,
      "agent_id": 14,
      "delay": 7.553,
      "onscreen_delay": 3.236,
      "typing_delay": 4.317,
      "typing_duration": 11.628,
      "wpm": 37,
      "message": "Tail ใช่ไหมคะ จะใช้คำสั่งอะไร "
    },
    {
      "message_id": 1195,
      "agent_id": 15,
      "delay": 8.574,
      "onscreen_delay": 0,
      "typing_delay": 8.574,
      "typing_duration": 15.608,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1196,
      "agent_id": 16,
      "delay": 11.607,
      "onscreen_delay": 5.809,
      "typing_delay": 5.798,
      "typing_duration": 9.722,
      "wpm": 9,
      "message": "head=P "
    },
    {
      "message_id": 1197,
      "agent_id": 13,
      "delay": 7.605,
      "onscreen_delay": 2.855,
      "typing_delay": 4.75,
      "typing_duration": 18.493,
      "wpm": 15,
      "message": "Head=P เอา Head ไป"
    },
    {
      "message_id": 1198,
      "agent_id": 14,
      "delay": 14.492,
      "onscreen_delay": 9.801,
      "typing_delay": 4.691,
      "typing_duration": 12.789,
      "wpm": 25,
      "message": "ชี้ที่ P ชี้อยู่ Tail "
    },
    {
      "message_id": 1199,
      "agent_id": 15,
      "delay": 10.491,
      "onscreen_delay": 6.023,
      "typing_delay": 4.468,
      "typing_duration": 18.701,
      "wpm": 16,
      "message": "ก็เช่นเดียวกัน ก็คือ "
    },
    {
      "message_id": 1200,
      "agent_id": 16,
      "delay": 14.699,
      "onscreen_delay": 9.961,
      "typing_delay": 4.738,
      "typing_duration": 14.101,
      "wpm": 16,
      "message": "tail=P ถูกไหมคะ "
    },
    {
      "message_id": 1201,
      "agent_id": 13,
      "delay": 10.699,
      "onscreen_delay": 1.656,
      "typing_delay": 9.043,
      "typing_duration": 9.043,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1202,
      "agent_id": 14,
      "delay": 6.698,
      "onscreen_delay": 1.511,
      "typing_delay": 5.187,
      "typing_duration": 14.458,
      "wpm": 19,
      "message": "กรณี LinkList นั้น"
    },
    {
      "message_id": 1203,
      "agent_id": 15,
      "delay": 10.456,
      "onscreen_delay": 5.858,
      "typing_delay": 4.598,
      "typing_duration": 14.928,
      "wpm": 30,
      "message": "ไม่มีข้อมูลอยู่เลย เป็นคิวว่าง "
    },
    {
      "message_id": 1204,
      "agent_id": 16,
      "delay": 10.928,
      "onscreen_delay": 5.873,
      "typing_delay": 5.055,
      "typing_duration": 11.335,
      "wpm": 21,
      "message": "เวลาเราสร้างนะคะ "
    },
    {
      "message_id": 1205,
      "agent_id": 13,
      "delay": 7.333,
      "onscreen_delay": 2.837,
      "typing_delay": 4.496,
      "typing_duration": 16.466,
      "wpm": 35,
      "message": "หรือเชื่อม Node ใหม่เข้าไปใน Link List "
    },
    {
      "message_id": 1206,
      "agent_id": 14,
      "delay": 12.45,
      "onscreen_delay": 7.997,
      "typing_delay": 4.453,
      "typing_duration": 11.566,
      "wpm": 29,
      "message": "เราก็ต้องกำหนดให้ Head "
    },
    {
      "message_id": 1207,
      "agent_id": 15,
      "delay": 8.449,
      "onscreen_delay": 3.812,
      "typing_delay": 4.637,
      "typing_duration": 17.081,
      "wpm": 22,
      "message": "และ Tail ชี้ที่ Node ใหม่"
    },
    {
      "message_id": 1208,
      "agent_id": 16,
      "delay": 13.079,
      "onscreen_delay": 7.794,
      "typing_delay": 5.285,
      "typing_duration": 10.096,
      "wpm": 19,
      "message": "ด้วยคำสั่งนี้ "
    },
    {
      "message_id": 1209,
      "agent_id": 13,
      "delay": 9.493,
      "onscreen_delay": 0,
      "typing_delay": 9.493,
      "typing_duration": 9.493,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1210,
      "agent_id": 14,
      "delay": 6.244,
      "onscreen_delay": 0,
      "typing_delay": 6.244,
      "typing_duration": 14.543,
      "wpm": 24,
      "message": "จากที่เราพูดกันเมื่อกี้"
    },
    {
      "message_id": 1211,
      "agent_id": 15,
      "delay": 10.541,
      "onscreen_delay": 6.087,
      "typing_delay": 4.454,
      "typing_duration": 13.229,
      "wpm": 33,
      "message": "นะคะ จากขั้นตอนตรงนี้ เราแปลง"
    },
    {
      "message_id": 1212,
      "agent_id": 16,
      "delay": 9.228,
      "onscreen_delay": 5.06,
      "typing_delay": 4.168,
      "typing_duration": 9.065,
      "wpm": 43,
      "message": "ให้เป็นคำสั่งได้ดังนี้นะคะ "
    },
    {
      "message_id": 1213,
      "agent_id": 13,
      "delay": 5.225,
      "onscreen_delay": 0.442,
      "typing_delay": 4.783,
      "typing_duration": 13.431,
      "wpm": 18,
      "message": "นะคะ ฟังก์ชันของ "
    },
    {
      "message_id": 1214,
      "agent_id": 14,
      "delay": 9.429,
      "onscreen_delay": 3.482,
      "typing_delay": 5.947,
      "typing_duration": 17.552,
      "wpm": 31,
      "message": "End Queue เห็นไหมคะ อันดับแรกเราต้อง"
    },
    {
      "message_id": 1215,
      "agent_id": 15,
      "delay": 13.547,
      "onscreen_delay": 9.099,
      "typing_delay": 4.448,
      "typing_duration": 15.092,
      "wpm": 31,
      "message": "มีการสร้าง Node ก่อน สร้าง Node "
    },
    {
      "message_id": 1216,
      "agent_id": 16,
      "delay": 11.076,
      "onscreen_delay": 6.444,
      "typing_delay": 4.632,
      "typing_duration": 9.514,
      "wpm": 54,
      "message": "ก็คือสร้างสี่เหลี่ยมตัวนี้ถูกไหมคะ "
    },
    {
      "message_id": 1217,
      "agent_id": 13,
      "delay": 7.076,
      "onscreen_delay": 2.73,
      "typing_delay": 4.346,
      "typing_duration": 16.809,
      "wpm": 39,
      "message": "แล้วก็ใส่ข้อมูลเข้าไป แล้วก็มีตัวชี้ชื่ออะไร "
    },
    {
      "message_id": 1218,
      "agent_id": 14,
      "delay": 12.808,
      "onscreen_delay": 5.949,
      "typing_delay": 6.859,
      "typing_duration": 16.184,
      "wpm": 24,
      "message": "New Data ถูกไหมคะ เรากำหนด"
    },
    {
      "message_id": 1219,
      "agent_id": 15,
      "delay": 12.182,
      "onscreen_delay": 7.826,
      "typing_delay": 4.356,
      "typing_duration": 18.089,
      "wpm": 17,
      "message": "ให้ตัวชี้คือ NewData "
    },
    {
      "message_id": 1220,
      "agent_id": 16,
      "delay": 14.088,
      "onscreen_delay": 8.898,
      "typing_delay": 5.19,
      "typing_duration": 10.271,
      "wpm": 35,
      "message": "คือ 10 นะคะ นี่คำสั่งแรก "
    },
    {
      "message_id": 1221,
      "agent_id": 13,
      "delay": 10.088,
      "onscreen_delay": 5.581,
      "typing_delay": 4.507,
      "typing_duration": 14.435,
      "wpm": 39,
      "message": "ก็คือสร้าง Node สี่เหลี่ยมตัวนี้ขึ้นมา "
    },
    {
      "message_id": 1222,
      "agent_id": 14,
      "delay": 10.433,
      "onscreen_delay": 5.105,
      "typing_delay": 5.328,
      "typing_duration": 15.171,
      "wpm": 39,
      "message": "เสร็จแล้วก่อนจะเชื่อมเข้าไปที่ LinkList "
    },
    {
      "message_id": 1223,
      "agent_id": 15,
      "delay": 11.164,
      "onscreen_delay": 5.777,
      "typing_delay": 5.387,
      "typing_duration": 11.109,
      "wpm": 15,
      "message": "เช็กก่อนว่า "
    },
    {
      "message_id": 1224,
      "agent_id": 16,
      "delay": 7.157,
      "onscreen_delay": 1.978,
      "typing_delay": 5.179,
      "typing_duration": 10.467,
      "wpm": 40,
      "message": "มันมี node เดิมอยู่หรือเปล่า "
    },
    {
      "message_id": 1225,
      "agent_id": 13,
      "delay": 6.466,
      "onscreen_delay": 1.354,
      "typing_delay": 5.112,
      "typing_duration": 13.57,
      "wpm": 19,
      "message": "ก็คือเช็กว่า Head "
    },
    {
      "message_id": 1226,
      "agent_id": 14,
      "delay": 9.568,
      "onscreen_delay": 4.949,
      "typing_delay": 4.619,
      "typing_duration": 11.144,
      "wpm": 23,
      "message": "is null หรือเปล่า "
    },
    {
      "message_id": 1227,
      "agent_id": 15,
      "delay": 7.144,
      "onscreen_delay": 1.844,
      "typing_delay": 5.3,
      "typing_duration": 18.697,
      "wpm": 12,
      "message": "ถ้า Head is nun "
    },
    {
      "message_id": 1228,
      "agent_id": 16,
      "delay": 14.695,
      "onscreen_delay": 10.386,
      "typing_delay": 4.309,
      "typing_duration": 9.576,
      "wpm": 39,
      "message": "ก็คือเป็นคิวว่าง เราก็ให้ "
    },
    {
      "message_id": 1229,
      "agent_id": 13,
      "delay": 10.694,
      "onscreen_delay": 5.448,
      "typing_delay": 5.246,
      "typing_duration": 11.69,
      "wpm": 14,
      "message": "Head ชี้ที่ "
    },
    {
      "message_id": 1230,
      "agent_id": 14,
      "delay": 7.687,
      "onscreen_delay": 1.585,
      "typing_delay": 6.102,
      "typing_duration": 14.012,
      "wpm": 17,
      "message": "Node ใหม่ แล้วก็"
    },
    {
      "message_id": 1231,
      "agent_id": 15,
      "delay": 10.009,
      "onscreen_delay": 5.493,
      "typing_delay": 4.516,
      "typing_duration": 18.159,
      "wpm": 21,
      "message": "ให้ Tail ชี้ที่ Node ใหม่ "
    },
    {
      "message_id": 1232,
      "agent_id": 16,
      "delay": 14.155,
      "onscreen_delay": 10.161,
      "typing_delay": 3.994,
      "typing_duration": 10.566,
      "wpm": 45,
      "message": "เราสามารถเขียนคำสั่งนี้ได้อีกแบบ "
    },
    {
      "message_id": 1233,
      "agent_id": 13,
      "delay": 10.155,
      "onscreen_delay": 5.481,
      "typing_delay": 4.674,
      "typing_duration": 19.005,
      "wpm": 10,
      "message": "New Data หรือ "
    },
    {
      "message_id": 1234,
      "agent_id": 14,
      "delay": 15.005,
      "onscreen_delay": 10.675,
      "typing_delay": 4.33,
      "typing_duration": 8.761,
      "wpm": 27,
      "message": "ได้เหมือนกันนะคะ "
    },
    {
      "message_id": 1235,
      "agent_id": 15,
      "delay": 11.005,
      "onscreen_delay": 5.772,
      "typing_delay": 5.233,
      "typing_duration": 10.372,
      "wpm": 16,
      "message": "ถ้ากรณีเดิม"
    },
    {
      "message_id": 1236,
      "agent_id": 16,
      "delay": 7.004,
      "onscreen_delay": 2.895,
      "typing_delay": 4.109,
      "typing_duration": 9.412,
      "wpm": 54,
      "message": "ที่มันมี node อยู่แล้ว เราก็เชื่อม "
    },
    {
      "message_id": 1237,
      "agent_id": 13,
      "delay": 5.411,
      "onscreen_delay": 0.522,
      "typing_delay": 4.889,
      "typing_duration": 14.496,
      "wpm": 36,
      "message": "ตรงนี้เราก็เชื่อมไปที่ Node สุดท้าย "
    },
    {
      "message_id": 1238,
      "agent_id": 14,
      "delay": 10.495,
      "onscreen_delay": 5.645,
      "typing_delay": 4.85,
      "typing_duration": 11.634,
      "wpm": 27,
      "message": "เลื่อน Tail ไปยังโหนด"
    },
    {
      "message_id": 1239,
      "agent_id": 15,
      "delay": 7.634,
      "onscreen_delay": 3.314,
      "typing_delay": 4.32,
      "typing_duration": 18.621,
      "wpm": 23,
      "message": "สุดท้ายนะคะ เลื่อน Tail ไปยัง "
    },
    {
      "message_id": 1240,
      "agent_id": 16,
      "delay": 14.62,
      "onscreen_delay": 6.076,
      "typing_delay": 8.544,
      "typing_duration": 11.051,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1241,
      "agent_id": 13,
      "delay": 10.619,
      "onscreen_delay": 5.901,
      "typing_delay": 4.718,
      "typing_duration": 18.97,
      "wpm": 24,
      "message": "โอ.เค. นะคะ อันนนี้คือการเพิ่ม"
    },
    {
      "message_id": 1242,
      "agent_id": 14,
      "delay": 14.969,
      "onscreen_delay": 7.367,
      "typing_delay": 7.602,
      "typing_duration": 12.262,
      "wpm": 15,
      "message": "ลงไปใน Queue "
    },
    {
      "message_id": 1243,
      "agent_id": 15,
      "delay": 10.967,
      "onscreen_delay": 6.535,
      "typing_delay": 4.432,
      "typing_duration": 19.001,
      "wpm": 24,
      "message": "เอาออกบ้าง เอาออกหรือว่าลบข้อมู"
    },
    {
      "message_id": 1244,
      "agent_id": 16,
      "delay": 14.997,
      "onscreen_delay": 6.045,
      "typing_delay": 8.952,
      "typing_duration": 19.001,
      "wpm": 20,
      "message": "เวลาเอาออกนะคะ เวลาเอาออก"
    },
    {
      "message_id": 1245,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 10.61,
      "typing_delay": 4.39,
      "typing_duration": 14.911,
      "wpm": 32,
      "message": "เอาด้านหน้าออกนะคะ ลบด้านหน้าออก "
    },
    {
      "message_id": 1246,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 0.877,
      "typing_delay": 10.123,
      "typing_duration": 10.123,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1247,
      "agent_id": 15,
      "delay": 6.999,
      "onscreen_delay": 1.822,
      "typing_delay": 5.177,
      "typing_duration": 13.194,
      "wpm": 25,
      "message": "ดูขั้นตอน มี 3 ขั้นตอน "
    },
    {
      "message_id": 1248,
      "agent_id": 16,
      "delay": 9.193,
      "onscreen_delay": 4.934,
      "typing_delay": 4.259,
      "typing_duration": 12.742,
      "wpm": 53,
      "message": "อ่านก่อนค่ะ มีอยู่ 3 ขั้นตอน มีอยู่ 3 ขั้นตอน"
    },
    {
      "message_id": 1249,
      "agent_id": 13,
      "delay": 8.741,
      "onscreen_delay": 4.301,
      "typing_delay": 4.44,
      "typing_duration": 8.954,
      "wpm": 25,
      "message": "อ่านให้ครูหน่อย "
    },
    {
      "message_id": 1250,
      "agent_id": 14,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1251,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1252,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 4.677,
      "typing_delay": 10.323,
      "typing_duration": 10.323,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1253,
      "agent_id": 13,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1254,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1255,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1256,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 6.711,
      "typing_delay": 8.29,
      "typing_duration": 8.29,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1257,
      "agent_id": 13,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1258,
      "agent_id": 14,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1259,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1260,
      "agent_id": 16,
      "delay": 14.997,
      "onscreen_delay": 4.853,
      "typing_delay": 10.144,
      "typing_duration": 10.144,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1261,
      "agent_id": 13,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1262,
      "agent_id": 14,
      "delay": 14.998,
      "onscreen_delay": 3.442,
      "typing_delay": 11.556,
      "typing_duration": 11.556,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1263,
      "agent_id": 15,
      "delay": 10.995,
      "onscreen_delay": 3.423,
      "typing_delay": 7.572,
      "typing_duration": 16.17,
      "wpm": 15,
      "message": "ขั้นตอนของการดึง"
    },
    {
      "message_id": 1264,
      "agent_id": 16,
      "delay": 12.168,
      "onscreen_delay": 7.983,
      "typing_delay": 4.185,
      "typing_duration": 10.663,
      "wpm": 25,
      "message": "ข้อมูลออกจาก Queue "
    },
    {
      "message_id": 1265,
      "agent_id": 13,
      "delay": 8.166,
      "onscreen_delay": 3.655,
      "typing_delay": 4.511,
      "typing_duration": 15.627,
      "wpm": 21,
      "message": "เราก็ดึงข้อมูลออกมาจาก"
    },
    {
      "message_id": 1266,
      "agent_id": 14,
      "delay": 11.626,
      "onscreen_delay": 7.356,
      "typing_delay": 4.27,
      "typing_duration": 13.233,
      "wpm": 27,
      "message": "โหนดแรกจะได้รู้ว่าข้อมูล"
    },
    {
      "message_id": 1267,
      "agent_id": 15,
      "delay": 9.233,
      "onscreen_delay": 4.574,
      "typing_delay": 4.659,
      "typing_duration": 18.568,
      "wpm": 23,
      "message": "ที่ลบหรือข้อมูลที่ดึงออกมานี่ "
    },
    {
      "message_id": 1268,
      "agent_id": 16,
      "delay": 14.567,
      "onscreen_delay": 10.503,
      "typing_delay": 4.064,
      "typing_duration": 11.416,
      "wpm": 51,
      "message": "มันเป็นข้อมูลอะไร เผื่อเราจะเอาไปใช้ต่อ"
    },
    {
      "message_id": 1269,
      "agent_id": 13,
      "delay": 10.566,
      "onscreen_delay": 6.367,
      "typing_delay": 4.199,
      "typing_duration": 15.481,
      "wpm": 37,
      "message": "หรือเอาไปทำอะไรต่อนะคะ เราดึงออกมาแล้ว "
    },
    {
      "message_id": 1270,
      "agent_id": 14,
      "delay": 11.48,
      "onscreen_delay": 7.353,
      "typing_delay": 4.127,
      "typing_duration": 14.18,
      "wpm": 49,
      "message": "แล้วเราก็เก็บเอาไว้ในตัวแปรที่เราสร้างขึ้นนะคะ "
    },
    {
      "message_id": 1271,
      "agent_id": 15,
      "delay": 10.178,
      "onscreen_delay": 4.155,
      "typing_delay": 6.023,
      "typing_duration": 14.837,
      "wpm": 15,
      "message": "พอเรารู้แล้วล่ะ"
    },
    {
      "message_id": 1272,
      "agent_id": 16,
      "delay": 10.837,
      "onscreen_delay": 6.383,
      "typing_delay": 4.454,
      "typing_duration": 9.8,
      "wpm": 41,
      "message": "ว่าค่าที่จะเอาออกคือค่าอะไร "
    },
    {
      "message_id": 1273,
      "agent_id": 13,
      "delay": 6.836,
      "onscreen_delay": 2.525,
      "typing_delay": 4.311,
      "typing_duration": 15.795,
      "wpm": 34,
      "message": "เราก็เลื่อ Head ไปยัง Node ถัดไปนะคะ "
    },
    {
      "message_id": 1274,
      "agent_id": 14,
      "delay": 11.784,
      "onscreen_delay": 5.499,
      "typing_delay": 6.285,
      "typing_duration": 14.459,
      "wpm": 37,
      "message": "ขั้นที่ 2 เลื่อน Head ไปยังโหนดถัดไป "
    },
    {
      "message_id": 1275,
      "agent_id": 15,
      "delay": 10.458,
      "onscreen_delay": 1.037,
      "typing_delay": 9.421,
      "typing_duration": 9.421,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1276,
      "agent_id": 16,
      "delay": 12.48,
      "onscreen_delay": 0,
      "typing_delay": 12.48,
      "typing_duration": 12.48,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1277,
      "agent_id": 13,
      "delay": 8.48,
      "onscreen_delay": 0.801,
      "typing_delay": 7.679,
      "typing_duration": 16.276,
      "wpm": 20,
      "message": "พอเราเลื่อน Head ไปยัง"
    },
    {
      "message_id": 1278,
      "agent_id": 14,
      "delay": 12.274,
      "onscreen_delay": 6.751,
      "typing_delay": 5.523,
      "typing_duration": 13.388,
      "wpm": 20,
      "message": "โหนดถัดไปนะคะ กรณี"
    },
    {
      "message_id": 1279,
      "agent_id": 15,
      "delay": 9.386,
      "onscreen_delay": 4.953,
      "typing_delay": 4.433,
      "typing_duration": 17.496,
      "wpm": 5,
      "message": "ที่ถ้า "
    },
    {
      "message_id": 1280,
      "agent_id": 16,
      "delay": 13.493,
      "onscreen_delay": 8.565,
      "typing_delay": 4.928,
      "typing_duration": 10.2,
      "wpm": 40,
      "message": "head ไม่ได้ชี้อยู่ที่ไหนเลย "
    },
    {
      "message_id": 1281,
      "agent_id": 13,
      "delay": 9.492,
      "onscreen_delay": 3.992,
      "typing_delay": 5.5,
      "typing_duration": 18.234,
      "wpm": 25,
      "message": "Node ที่เราลบ คือ Node สุดท้าย"
    },
    {
      "message_id": 1282,
      "agent_id": 14,
      "delay": 14.234,
      "onscreen_delay": 9.775,
      "typing_delay": 4.459,
      "typing_duration": 13.109,
      "wpm": 37,
      "message": "ที่อยู่ใน Queue โหนดที่เราลบนะคะ "
    },
    {
      "message_id": 1283,
      "agent_id": 15,
      "delay": 10.234,
      "onscreen_delay": 5.675,
      "typing_delay": 4.559,
      "typing_duration": 18.564,
      "wpm": 26,
      "message": "ก็คือNode สุดท้ายที่อยู่ใน Queue  "
    },
    {
      "message_id": 1284,
      "agent_id": 16,
      "delay": 14.563,
      "onscreen_delay": 9.845,
      "typing_delay": 4.718,
      "typing_duration": 12.167,
      "wpm": 46,
      "message": "node นั้นไปแล้ว head จะต้องชี้อยู่ที่ "
    },
    {
      "message_id": 1285,
      "agent_id": 13,
      "delay": 10.562,
      "onscreen_delay": 5.459,
      "typing_delay": 5.103,
      "typing_duration": 12.607,
      "wpm": 18,
      "message": "Null เมื่อ Head "
    },
    {
      "message_id": 1286,
      "agent_id": 14,
      "delay": 8.606,
      "onscreen_delay": 4.29,
      "typing_delay": 4.316,
      "typing_duration": 12.212,
      "wpm": 31,
      "message": "ชี้อยู่ที่ Null แล้ว Tail "
    },
    {
      "message_id": 1287,
      "agent_id": 15,
      "delay": 8.211,
      "onscreen_delay": 3.923,
      "typing_delay": 4.288,
      "typing_duration": 17.399,
      "wpm": 22,
      "message": "ก็ต้องชี้อยู่ที่ nun ด้วน "
    },
    {
      "message_id": 1288,
      "agent_id": 16,
      "delay": 13.399,
      "onscreen_delay": 8.626,
      "typing_delay": 4.773,
      "typing_duration": 10.507,
      "wpm": 17,
      "message": "อยู่ใน queue "
    },
    {
      "message_id": 1289,
      "agent_id": 13,
      "delay": 9.398,
      "onscreen_delay": 0.584,
      "typing_delay": 8.814,
      "typing_duration": 8.814,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1290,
      "agent_id": 14,
      "delay": 7.391,
      "onscreen_delay": 0,
      "typing_delay": 7.391,
      "typing_duration": 14.99,
      "wpm": 9,
      "message": "เวลาเราลบ "
    },
    {
      "message_id": 1291,
      "agent_id": 15,
      "delay": 10.989,
      "onscreen_delay": 6.535,
      "typing_delay": 4.454,
      "typing_duration": 18.371,
      "wpm": 31,
      "message": "เราลบอย่างไร เราใช้สั่ง ก็คือ DelQueue  "
    },
    {
      "message_id": 1292,
      "agent_id": 16,
      "delay": 14.37,
      "onscreen_delay": 10.24,
      "typing_delay": 4.13,
      "typing_duration": 11.815,
      "wpm": 23,
      "message": "แล้วก็สร้าง dqueue "
    },
    {
      "message_id": 1293,
      "agent_id": 13,
      "delay": 10.369,
      "onscreen_delay": 4.277,
      "typing_delay": 6.092,
      "typing_duration": 11.436,
      "wpm": 12,
      "message": "คำสั่งแรก "
    },
    {
      "message_id": 1294,
      "agent_id": 14,
      "delay": 7.434,
      "onscreen_delay": 3.354,
      "typing_delay": 4.08,
      "typing_duration": 16.509,
      "wpm": 30,
      "message": "ดึงข้อมูลออกมา ไปที่ Head ที่อยู่ "
    },
    {
      "message_id": 1295,
      "agent_id": 15,
      "delay": 12.508,
      "onscreen_delay": 7.552,
      "typing_delay": 4.956,
      "typing_duration": 14.028,
      "wpm": 17,
      "message": "เราก็ค่าหน่อยว่า "
    },
    {
      "message_id": 1296,
      "agent_id": 16,
      "delay": 10.027,
      "onscreen_delay": 4.904,
      "typing_delay": 5.123,
      "typing_duration": 13.258,
      "wpm": 37,
      "message": "มันมีค่าอะไร node ที่เรากำลังจะลบ "
    },
    {
      "message_id": 1297,
      "agent_id": 13,
      "delay": 9.257,
      "onscreen_delay": 5.121,
      "typing_delay": 4.136,
      "typing_duration": 18.275,
      "wpm": 28,
      "message": "มันเก็บค่าอะไรนะคะ เราก็เก็บข้อมูล "
    },
    {
      "message_id": 1298,
      "agent_id": 14,
      "delay": 14.274,
      "onscreen_delay": 10.134,
      "typing_delay": 4.14,
      "typing_duration": 16.311,
      "wpm": 28,
      "message": "แล้วเอาไปใส่ในตัวแปรที่ชื่อว่า "
    },
    {
      "message_id": 1299,
      "agent_id": 15,
      "delay": 12.311,
      "onscreen_delay": 6.376,
      "typing_delay": 5.935,
      "typing_duration": 14.615,
      "wpm": 9,
      "message": "Data นะคะ "
    },
    {
      "message_id": 1300,
      "agent_id": 16,
      "delay": 10.614,
      "onscreen_delay": 6.322,
      "typing_delay": 4.292,
      "typing_duration": 9.692,
      "wpm": 40,
      "message": "ตัวแปรด้านซ้ายนะคะ จากนั้น"
    },
    {
      "message_id": 1301,
      "agent_id": 13,
      "delay": 6.613,
      "onscreen_delay": 2.027,
      "typing_delay": 4.586,
      "typing_duration": 19,
      "wpm": 24,
      "message": "ให้เลื่อน Head ไปยัง Node ถัดไป"
    },
    {
      "message_id": 1302,
      "agent_id": 14,
      "delay": 15,
      "onscreen_delay": 10.871,
      "typing_delay": 4.129,
      "typing_duration": 14.449,
      "wpm": 21,
      "message": "ก็คือ Head=Head.next "
    },
    {
      "message_id": 1303,
      "agent_id": 15,
      "delay": 10.999,
      "onscreen_delay": 6.47,
      "typing_delay": 4.529,
      "typing_duration": 11.305,
      "wpm": 29,
      "message": "ตรวจสอบหน่อยว่า ตอนนี้"
    },
    {
      "message_id": 1304,
      "agent_id": 16,
      "delay": 7.304,
      "onscreen_delay": 2.211,
      "typing_delay": 5.093,
      "typing_duration": 9.694,
      "wpm": 43,
      "message": "ไม่มีอะไรอยู่ใน linklish เลย "
    },
    {
      "message_id": 1305,
      "agent_id": 13,
      "delay": 5.693,
      "onscreen_delay": 0.987,
      "typing_delay": 4.706,
      "typing_duration": 16.092,
      "wpm": 24,
      "message": "ถ้า Head เป็น Null แล้ว ก็"
    },
    {
      "message_id": 1306,
      "agent_id": 14,
      "delay": 12.091,
      "onscreen_delay": 8.049,
      "typing_delay": 4.042,
      "typing_duration": 15.215,
      "wpm": 33,
      "message": "กำหนดให้ Tail มีค่าเป็น Null ด้วย "
    },
    {
      "message_id": 1307,
      "agent_id": 15,
      "delay": 11.214,
      "onscreen_delay": 2.492,
      "typing_delay": 8.722,
      "typing_duration": 8.722,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1308,
      "agent_id": 16,
      "delay": 8.318,
      "onscreen_delay": 0,
      "typing_delay": 8.318,
      "typing_duration": 8.318,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1309,
      "agent_id": 13,
      "delay": 19.007,
      "onscreen_delay": 0,
      "typing_delay": 19.007,
      "typing_duration": 19.007,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1310,
      "agent_id": 14,
      "delay": 15.007,
      "onscreen_delay": 8.702,
      "typing_delay": 6.305,
      "typing_duration": 15.382,
      "wpm": 7,
      "message": "คราวนี้"
    },
    {
      "message_id": 1311,
      "agent_id": 15,
      "delay": 11.379,
      "onscreen_delay": 5.358,
      "typing_delay": 6.021,
      "typing_duration": 18.93,
      "wpm": 31,
      "message": "ในการตรวจสอบว่าเป็น Queue ว่างหรือเปล่า "
    },
    {
      "message_id": 1312,
      "agent_id": 16,
      "delay": 14.929,
      "onscreen_delay": 8.587,
      "typing_delay": 6.342,
      "typing_duration": 12.735,
      "wpm": 26,
      "message": "คำว่า Queue ว่างแปลว่า "
    },
    {
      "message_id": 1313,
      "agent_id": 13,
      "delay": 10.928,
      "onscreen_delay": 6.48,
      "typing_delay": 4.448,
      "typing_duration": 12.07,
      "wpm": 32,
      "message": "ไม่มีข้อมูลอะไรเลยใน Queue "
    },
    {
      "message_id": 1314,
      "agent_id": 14,
      "delay": 8.069,
      "onscreen_delay": 1.216,
      "typing_delay": 6.853,
      "typing_duration": 16.915,
      "wpm": 39,
      "message": "Queue ก็คือไม่มีข้อมูลอะไรเลยที่อยู่ใน Queue "
    },
    {
      "message_id": 1315,
      "agent_id": 15,
      "delay": 12.914,
      "onscreen_delay": 8.476,
      "typing_delay": 4.438,
      "typing_duration": 19.003,
      "wpm": 30,
      "message": "นะคะ จะตรวจสอบได้อย่างไรว่าเป็น คิวว่า"
    },
    {
      "message_id": 1316,
      "agent_id": 16,
      "delay": 15.002,
      "onscreen_delay": 9.386,
      "typing_delay": 5.616,
      "typing_duration": 15.618,
      "wpm": 14,
      "message": "ก็เช็กว่า head="
    },
    {
      "message_id": 1317,
      "agent_id": 13,
      "delay": 11.616,
      "onscreen_delay": 6.795,
      "typing_delay": 4.821,
      "typing_duration": 19.004,
      "wpm": 18,
      "message": "Null หรือเปล่า ถ้า Head"
    },
    {
      "message_id": 1318,
      "agent_id": 14,
      "delay": 15.004,
      "onscreen_delay": 10.66,
      "typing_delay": 4.344,
      "typing_duration": 12.591,
      "wpm": 26,
      "message": "แสดงว่าเป็น Queue ว่าง "
    },
    {
      "message_id": 1319,
      "agent_id": 15,
      "delay": 11,
      "onscreen_delay": 0.022,
      "typing_delay": 10.978,
      "typing_duration": 10.978,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1320,
      "agent_id": 16,
      "delay": 8.872,
      "onscreen_delay": 0,
      "typing_delay": 8.872,
      "typing_duration": 8.872,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1321,
      "agent_id": 13,
      "delay": 9.445,
      "onscreen_delay": 0,
      "typing_delay": 9.445,
      "typing_duration": 9.445,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1322,
      "agent_id": 14,
      "delay": 10.297,
      "onscreen_delay": 0,
      "typing_delay": 10.297,
      "typing_duration": 13.41,
      "wpm": 8,
      "message": "ต่อนะคะ "
    },
    {
      "message_id": 1323,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1324,
      "agent_id": 16,
      "delay": 14.998,
      "onscreen_delay": 10.628,
      "typing_delay": 4.37,
      "typing_duration": 11.153,
      "wpm": 28,
      "message": "แรกสุดที่อยู่ใน Queue "
    },
    {
      "message_id": 1325,
      "agent_id": 13,
      "delay": 10.997,
      "onscreen_delay": 6.413,
      "typing_delay": 4.584,
      "typing_duration": 16.689,
      "wpm": 16,
      "message": "นั่นล่ะ อยากรู้ว่า"
    },
    {
      "message_id": 1326,
      "agent_id": 14,
      "delay": 12.687,
      "onscreen_delay": 8.557,
      "typing_delay": 4.13,
      "typing_duration": 19,
      "wpm": 36,
      "message": "ข้อมูลแรกที่อยู่ Queue คืออะไร เราก็เช็กว่า H"
    },
    {
      "message_id": 1327,
      "agent_id": 15,
      "delay": 14.999,
      "onscreen_delay": 6.536,
      "typing_delay": 8.463,
      "typing_duration": 18.435,
      "wpm": 4,
      "message": "head. "
    },
    {
      "message_id": 1328,
      "agent_id": 16,
      "delay": 14.434,
      "onscreen_delay": 9.054,
      "typing_delay": 5.38,
      "typing_duration": 14.621,
      "wpm": 43,
      "message": "head.data คืออะไรก็เหมือนที่ครูถามตอนต้น ๆ "
    },
    {
      "message_id": 1329,
      "agent_id": 13,
      "delay": 10.621,
      "onscreen_delay": 5.44,
      "typing_delay": 5.181,
      "typing_duration": 12.077,
      "wpm": 17,
      "message": "นะคะ Head.Data "
    },
    {
      "message_id": 1330,
      "agent_id": 14,
      "delay": 8.075,
      "onscreen_delay": 3.54,
      "typing_delay": 4.535,
      "typing_duration": 11.125,
      "wpm": 39,
      "message": "ก็คือข้อมูลแรกที่อยู่ใน Queue "
    },
    {
      "message_id": 1331,
      "agent_id": 15,
      "delay": 8.475,
      "onscreen_delay": 0,
      "typing_delay": 8.475,
      "typing_duration": 8.475,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1332,
      "agent_id": 16,
      "delay": 9.38,
      "onscreen_delay": 0,
      "typing_delay": 9.38,
      "typing_duration": 9.38,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1333,
      "agent_id": 13,
      "delay": 8.415,
      "onscreen_delay": 0,
      "typing_delay": 8.415,
      "typing_duration": 19.011,
      "wpm": 18,
      "message": "Queue เวลาข้อมูลเข้าหใม"
    },
    {
      "message_id": 1334,
      "agent_id": 14,
      "delay": 15.01,
      "onscreen_delay": 10.213,
      "typing_delay": 4.797,
      "typing_duration": 13.044,
      "wpm": 38,
      "message": "จะอยู่ด้านหน้าหรืออยู่ด้านหลังค่ะ "
    },
    {
      "message_id": 1335,
      "agent_id": 15,
      "delay": 11.007,
      "onscreen_delay": 1.398,
      "typing_delay": 9.609,
      "typing_duration": 17.865,
      "wpm": 17,
      "message": "ด้านหน้าหรือด้านหลัง "
    },
    {
      "message_id": 1336,
      "agent_id": 16,
      "delay": 13.864,
      "onscreen_delay": 8.62,
      "typing_delay": 5.244,
      "typing_duration": 16.56,
      "wpm": 37,
      "message": "เวลาเอาข้อมูลออกจาก Queue เอาข้อมูลออกจาก"
    },
    {
      "message_id": 1337,
      "agent_id": 13,
      "delay": 12.559,
      "onscreen_delay": 7.41,
      "typing_delay": 5.149,
      "typing_duration": 13.776,
      "wpm": 36,
      "message": "ด้านหน้าหรือด้านหลัง ด้านหน้านะคะ "
    },
    {
      "message_id": 1338,
      "agent_id": 14,
      "delay": 9.775,
      "onscreen_delay": 5.256,
      "typing_delay": 4.519,
      "typing_duration": 12.648,
      "wpm": 43,
      "message": "ดูให้ดี ๆ อันไหนคือด้านหน้า ด้านหลัง "
    },
    {
      "message_id": 1339,
      "agent_id": 15,
      "delay": 8.647,
      "onscreen_delay": 0.152,
      "typing_delay": 8.495,
      "typing_duration": 8.495,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1340,
      "agent_id": 16,
      "delay": 8.018,
      "onscreen_delay": 0,
      "typing_delay": 8.018,
      "typing_duration": 10.493,
      "wpm": 11,
      "message": "มีกระดาษ"
    },
    {
      "message_id": 1341,
      "agent_id": 13,
      "delay": 6.492,
      "onscreen_delay": 2.132,
      "typing_delay": 4.36,
      "typing_duration": 10.269,
      "wpm": 25,
      "message": "เพิ่มอยู่ใช่ไหมคะ "
    },
    {
      "message_id": 1342,
      "agent_id": 14,
      "delay": 6.268,
      "onscreen_delay": 1.896,
      "typing_delay": 4.372,
      "typing_duration": 11.875,
      "wpm": 25,
      "message": "ครูมีโจทย์อยู่ 3 ข้อ "
    },
    {
      "message_id": 1343,
      "agent_id": 15,
      "delay": 7.872,
      "onscreen_delay": 2.332,
      "typing_delay": 5.54,
      "typing_duration": 14.912,
      "wpm": 22,
      "message": "ทำเหมือนเดิมเลย ข้อแรก"
    },
    {
      "message_id": 1344,
      "agent_id": 16,
      "delay": 10.911,
      "onscreen_delay": 3.683,
      "typing_delay": 7.228,
      "typing_duration": 12.893,
      "wpm": 35,
      "message": "ครูกำหนด head กับ tail ให้ด้วย "
    },
    {
      "message_id": 1345,
      "agent_id": 13,
      "delay": 8.892,
      "onscreen_delay": 3.977,
      "typing_delay": 4.915,
      "typing_duration": 12.855,
      "wpm": 29,
      "message": "ครูบอกว่า เพิ่ม Node ใหม่ "
    },
    {
      "message_id": 1346,
      "agent_id": 14,
      "delay": 8.854,
      "onscreen_delay": 4.645,
      "typing_delay": 4.209,
      "typing_duration": 15.463,
      "wpm": 33,
      "message": "ตัวชี้ โหนด 1 ชี้อยู่ เพิ่มโหนดนี้ "
    },
    {
      "message_id": 1347,
      "agent_id": 15,
      "delay": 11.462,
      "onscreen_delay": 3.836,
      "typing_delay": 7.626,
      "typing_duration": 17.481,
      "wpm": 22,
      "message": "เพิ่ม Node 1 ไปต่อด้านหลัง "
    },
    {
      "message_id": 1348,
      "agent_id": 16,
      "delay": 13.481,
      "onscreen_delay": 8.627,
      "typing_delay": 4.854,
      "typing_duration": 9.136,
      "wpm": 51,
      "message": "วาดรูปอย่างไร แล้วใช้คำสั่งอะไร "
    },
    {
      "message_id": 1349,
      "agent_id": 13,
      "delay": 9.48,
      "onscreen_delay": 4.363,
      "typing_delay": 5.117,
      "typing_duration": 13.607,
      "wpm": 19,
      "message": "ข้อ 2 เพิ่มไปแล้ว "
    },
    {
      "message_id": 1350,
      "agent_id": 14,
      "delay": 9.605,
      "onscreen_delay": 5.55,
      "typing_delay": 4.055,
      "typing_duration": 11.448,
      "wpm": 26,
      "message": "ลบออกบ้าง ลบข้างหน้า"
    },
    {
      "message_id": 1351,
      "agent_id": 15,
      "delay": 7.441,
      "onscreen_delay": 2.872,
      "typing_delay": 4.569,
      "typing_duration": 10.843,
      "wpm": 11,
      "message": "ใช่ไหมคะ "
    },
    {
      "message_id": 1352,
      "agent_id": 16,
      "delay": 6.842,
      "onscreen_delay": 2.225,
      "typing_delay": 4.617,
      "typing_duration": 10.759,
      "wpm": 31,
      "message": "ถัดมาข้อ 3 เพิ่มตัวชี้ "
    },
    {
      "message_id": 1353,
      "agent_id": 13,
      "delay": 6.758,
      "onscreen_delay": 1.805,
      "typing_delay": 4.953,
      "typing_duration": 18.281,
      "wpm": 28,
      "message": "Node 2 Node ที่มีตัวชี้ Node 2 นี่ "
    },
    {
      "message_id": 1354,
      "agent_id": 14,
      "delay": 14.281,
      "onscreen_delay": 9.807,
      "typing_delay": 4.474,
      "typing_duration": 14.257,
      "wpm": 22,
      "message": "ลงไปใน Queue LinkList "
    },
    {
      "message_id": 1355,
      "agent_id": 15,
      "delay": 10.28,
      "onscreen_delay": 3.534,
      "typing_delay": 6.746,
      "typing_duration": 18.384,
      "wpm": 22,
      "message": "คำสั่งครูบอกหมดแล้วใช่ไหมคะ "
    },
    {
      "message_id": 1356,
      "agent_id": 16,
      "delay": 14.383,
      "onscreen_delay": 9.665,
      "typing_delay": 4.718,
      "typing_duration": 11.779,
      "wpm": 39,
      "message": "เหมือนในแบบฝึกหัดแรกที่ครูให้ทำ "
    },
    {
      "message_id": 1357,
      "agent_id": 13,
      "delay": 10.382,
      "onscreen_delay": 6.366,
      "typing_delay": 4.016,
      "typing_duration": 12.502,
      "wpm": 17,
      "message": "และเฉลยให้ด้วย "
    },
    {
      "message_id": 1358,
      "agent_id": 14,
      "delay": 8.501,
      "onscreen_delay": 4.468,
      "typing_delay": 4.033,
      "typing_duration": 12.256,
      "wpm": 33,
      "message": "เลียนแบบนะคะ เลียนแบบทำความ"
    },
    {
      "message_id": 1359,
      "agent_id": 15,
      "delay": 8.251,
      "onscreen_delay": 3.632,
      "typing_delay": 4.619,
      "typing_duration": 13.007,
      "wpm": 10,
      "message": "เข้าใจว่า "
    },
    {
      "message_id": 1360,
      "agent_id": 16,
      "delay": 9.006,
      "onscreen_delay": 3.834,
      "typing_delay": 5.172,
      "typing_duration": 10.732,
      "wpm": 45,
      "message": "ทำอย่างไรในแบบฝึกหัดที่ครูให้นี้ "
    },
    {
      "message_id": 1361,
      "agent_id": 13,
      "delay": 6.731,
      "onscreen_delay": 0.758,
      "typing_delay": 5.973,
      "typing_duration": 11.622,
      "wpm": 21,
      "message": "ดูจากเฉลยอันเก่า "
    },
    {
      "message_id": 1362,
      "agent_id": 14,
      "delay": 7.621,
      "onscreen_delay": 3.596,
      "typing_delay": 4.025,
      "typing_duration": 11.239,
      "wpm": 21,
      "message": "แล้วลองทำอันใหม่ "
    },
    {
      "message_id": 1363,
      "agent_id": 15,
      "delay": 7.238,
      "onscreen_delay": 2.608,
      "typing_delay": 4.63,
      "typing_duration": 10.878,
      "wpm": 26,
      "message": "ดูว่าจะทำได้ไหมนะคะ "
    },
    {
      "message_id": 1364,
      "agent_id": 16,
      "delay": 6.877,
      "onscreen_delay": 0.588,
      "typing_delay": 6.289,
      "typing_duration": 12.542,
      "wpm": 31,
      "message": "ครูเพิ่มข้อมูลใหม่ใน queue "
    },
    {
      "message_id": 1365,
      "agent_id": 13,
      "delay": 8.541,
      "onscreen_delay": 4.234,
      "typing_delay": 4.307,
      "typing_duration": 19.001,
      "wpm": 36,
      "message": "ก็ต้องไปเพิ่มด้านหลัง ครูลบข้อมูลออกจาก Queue "
    },
    {
      "message_id": 1366,
      "agent_id": 14,
      "delay": 15,
      "onscreen_delay": 10.959,
      "typing_delay": 4.041,
      "typing_duration": 10.094,
      "wpm": 24,
      "message": "ก็ต้องลบข้างหน้า "
    },
    {
      "message_id": 1367,
      "agent_id": 15,
      "delay": 10.999,
      "onscreen_delay": 6.047,
      "typing_delay": 4.952,
      "typing_duration": 16.477,
      "wpm": 23,
      "message": "ครูไม่บอกว่าไปต่อท้ายอะไร "
    },
    {
      "message_id": 1368,
      "agent_id": 16,
      "delay": 12.475,
      "onscreen_delay": 5.569,
      "typing_delay": 6.906,
      "typing_duration": 12.497,
      "wpm": 47,
      "message": "ลบข้อมูลตัวไหนออก แต่ทุกคนต้องเข้าใจว่า "
    },
    {
      "message_id": 1369,
      "agent_id": 13,
      "delay": 8.496,
      "onscreen_delay": 2.082,
      "typing_delay": 6.414,
      "typing_duration": 13.07,
      "wpm": 16,
      "message": "Queue นี้ เวลา"
    },
    {
      "message_id": 1370,
      "agent_id": 14,
      "delay": 9.069,
      "onscreen_delay": 5.077,
      "typing_delay": 3.992,
      "typing_duration": 12.831,
      "wpm": 37,
      "message": "เราเพิ่ม เพิ่มด้านหลัง เวลาเราลบ "
    },
    {
      "message_id": 1371,
      "agent_id": 15,
      "delay": 8.819,
      "onscreen_delay": 4.197,
      "typing_delay": 4.622,
      "typing_duration": 10.608,
      "wpm": 20,
      "message": "ลบข้างหน้านะคะ "
    },
    {
      "message_id": 1372,
      "agent_id": 16,
      "delay": 6.606,
      "onscreen_delay": 2.15,
      "typing_delay": 4.456,
      "typing_duration": 11.265,
      "wpm": 40,
      "message": "ลงมือทำ 3 ข้อ โจทย์คราวที่แล้ว "
    },
    {
      "message_id": 1373,
      "agent_id": 13,
      "delay": 7.264,
      "onscreen_delay": 2.251,
      "typing_delay": 5.013,
      "typing_duration": 14.382,
      "wpm": 28,
      "message": "ใครยังลอกไม่เสร็จ มาถ่ายรูป"
    },
    {
      "message_id": 1374,
      "agent_id": 14,
      "delay": 10.381,
      "onscreen_delay": 5.563,
      "typing_delay": 4.818,
      "typing_duration": 9.434,
      "wpm": 43,
      "message": "เอาข้างหน้านะคะ แล้วเอาไปดู"
    },
    {
      "message_id": 1375,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1376,
      "agent_id": 16,
      "delay": 14.999,
      "onscreen_delay": 0.203,
      "typing_delay": 14.796,
      "typing_duration": 14.796,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1377,
      "agent_id": 13,
      "delay": 14.022,
      "onscreen_delay": 0,
      "typing_delay": 14.022,
      "typing_duration": 14.022,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1378,
      "agent_id": 14,
      "delay": 10.02,
      "onscreen_delay": 3.017,
      "typing_delay": 7.003,
      "typing_duration": 14.977,
      "wpm": 17,
      "message": "ทำลงกระดาษ ลงสมุด"
    },
    {
      "message_id": 1379,
      "agent_id": 15,
      "delay": 10.974,
      "onscreen_delay": 6.377,
      "typing_delay": 4.597,
      "typing_duration": 8.443,
      "wpm": 7,
      "message": "นะคะ "
    },
    {
      "message_id": 1380,
      "agent_id": 16,
      "delay": 8.289,
      "onscreen_delay": 0,
      "typing_delay": 8.289,
      "typing_duration": 8.289,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1381,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1382,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1383,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1384,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 6.534,
      "typing_delay": 8.466,
      "typing_duration": 8.466,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1385,
      "agent_id": 13,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1386,
      "agent_id": 14,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1387,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1388,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 5.478,
      "typing_delay": 9.522,
      "typing_duration": 9.522,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1389,
      "agent_id": 13,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1390,
      "agent_id": 14,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1391,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1392,
      "agent_id": 16,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1393,
      "agent_id": 13,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1394,
      "agent_id": 14,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1395,
      "agent_id": 15,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1396,
      "agent_id": 16,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1397,
      "agent_id": 13,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1398,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1399,
      "agent_id": 15,
      "delay": 19,
      "onscreen_delay": 0,
      "typing_delay": 19,
      "typing_duration": 19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1400,
      "agent_id": 16,
      "delay": 14.999,
      "onscreen_delay": 6.52,
      "typing_delay": 8.479,
      "typing_duration": 8.479,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1401,
      "agent_id": 13,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1402,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1403,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1404,
      "agent_id": 16,
      "delay": 14.999,
      "onscreen_delay": 5.179,
      "typing_delay": 9.82,
      "typing_duration": 9.82,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1405,
      "agent_id": 13,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1406,
      "agent_id": 14,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1407,
      "agent_id": 15,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1408,
      "agent_id": 16,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1409,
      "agent_id": 13,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1410,
      "agent_id": 14,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1411,
      "agent_id": 15,
      "delay": 19.002,
      "onscreen_delay": 0,
      "typing_delay": 19.002,
      "typing_duration": 19.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1412,
      "agent_id": 16,
      "delay": 19.001,
      "onscreen_delay": 0,
      "typing_delay": 19.001,
      "typing_duration": 19.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1413,
      "agent_id": 13,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1414,
      "agent_id": 14,
      "delay": 19.003,
      "onscreen_delay": 0,
      "typing_delay": 19.003,
      "typing_duration": 19.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1415,
      "agent_id": 15,
      "delay": 19.004,
      "onscreen_delay": 0,
      "typing_delay": 19.004,
      "typing_duration": 19.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1416,
      "agent_id": 16,
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      "message_id": 1577,
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    {
      "message_id": 1578,
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      "message": "ข้อ 3 นะคะ ข้อ 3 นะคะ "
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      "message": "จะใช้รูปข้างบน "
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      "message": "หรือจะใช้รูปต่อจากข้อ 1 "
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      "message": "คำสั่งไม่แตกต่างกันเลยนะคะ "
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      "typing_duration": 10.861,
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      "message": "เพราะเราเชื่อมต่อจาก tail "
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      "message": "คุณจะชี้อยู่ที่ไหนก็ได้ ถูกไหมคะ "
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      "message": "จะใช้รูปข้างบนก็ได้ "
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      "message": "หรือจะใช้ต่อจากรูปข้อ 1 ก็ได้ เลือกเอาอ"
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      "message": "ส่งนะคะ "
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      "message": "next next สะกดให้ถูก "
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      "message": "N-E-X-T นะคะ "
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      "message": "ตัว N "
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