{
  "average_delay": 12.777,
  "average_delay_with_out_empty_turn": 10.052,
  "average_onscreen_delay": 2.308,
  "average_typing_delay": 10.469,
  "average_typing_duration": 12.956,
  "average_wpm": 8,
  "average_wpm_with_out_empty_turn": 31,
  "agents": [
    {
      "agent_id": 2,
      "average_delay": 13.582,
      "average_delay_with_out_empty_turn": 0,
      "average_onscreen_delay": 0.007,
      "average_typing_delay": 13.576,
      "average_typing_duration": 13.576,
      "average_wpm": 0,
      "average_wpm_with_out_empty_turn": 0
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    {
      "agent_id": 3,
      "average_delay": 13.558,
      "average_delay_with_out_empty_turn": 0,
      "average_onscreen_delay": 0,
      "average_typing_delay": 13.558,
      "average_typing_duration": 13.558,
      "average_wpm": 0,
      "average_wpm_with_out_empty_turn": 0
    },
    {
      "agent_id": 33,
      "average_delay": 12.491,
      "average_delay_with_out_empty_turn": 10.999,
      "average_onscreen_delay": 5.647,
      "average_typing_delay": 6.844,
      "average_typing_duration": 12.832,
      "average_wpm": 16,
      "average_wpm_with_out_empty_turn": 30
    },
    {
      "agent_id": 34,
      "average_delay": 11.136,
      "average_delay_with_out_empty_turn": 9.111,
      "average_onscreen_delay": 4.571,
      "average_typing_delay": 6.565,
      "average_typing_duration": 11.598,
      "average_wpm": 17,
      "average_wpm_with_out_empty_turn": 32
    }
  ],
  "messages": [
    {
      "message_id": 0,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1,
      "agent_id": 3,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 2,
      "agent_id": 33,
      "delay": 11.184,
      "onscreen_delay": 0,
      "typing_delay": 11.184,
      "typing_duration": 11.184,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 3,
      "agent_id": 34,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 4,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 5,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 6,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.852,
      "typing_delay": 1.147,
      "typing_duration": 14.824,
      "wpm": 34,
      "message": "ทำไมแบบนั้นล่ะ คราวนี้ ได้ยินครูนะ"
    },
    {
      "message_id": 7,
      "agent_id": 34,
      "delay": 10.822,
      "onscreen_delay": 8.872,
      "typing_delay": 1.95,
      "typing_duration": 5.852,
      "wpm": 38,
      "message": "คราวที่แล้วนะคะ "
    },
    {
      "message_id": 8,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 9,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 10,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 10.078,
      "typing_delay": 0.92,
      "typing_duration": 12.827,
      "wpm": 25,
      "message": "ลิสต์นะคะ ลิสต์ตัวนี้ "
    },
    {
      "message_id": 11,
      "agent_id": 34,
      "delay": 8.825,
      "onscreen_delay": 8.248,
      "typing_delay": 0.577,
      "typing_duration": 14.059,
      "wpm": 36,
      "message": "แล้วเราก็ทำข้อสอบไปแล้วเรื่อง List "
    },
    {
      "message_id": 12,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 13,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 14,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 5.411,
      "typing_delay": 5.59,
      "typing_duration": 11.781,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 15,
      "agent_id": 34,
      "delay": 7.78,
      "onscreen_delay": 5.539,
      "typing_delay": 2.241,
      "typing_duration": 5.211,
      "wpm": 20,
      "message": "ได้ไหมค "
    },
    {
      "message_id": 16,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 17,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 18,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.706,
      "typing_delay": 1.294,
      "typing_duration": 6.594,
      "wpm": 27,
      "message": "ยังไม่ได้ยิน"
    },
    {
      "message_id": 19,
      "agent_id": 34,
      "delay": 6.999,
      "onscreen_delay": 4.879,
      "typing_delay": 2.12,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 20,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 21,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 22,
      "agent_id": 33,
      "delay": 10.997,
      "onscreen_delay": 4.564,
      "typing_delay": 6.433,
      "typing_duration": 6.433,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 23,
      "agent_id": 34,
      "delay": 6.995,
      "onscreen_delay": 5.548,
      "typing_delay": 1.447,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 24,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 25,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 26,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.228,
      "typing_delay": 0.772,
      "typing_duration": 15.001,
      "wpm": 36,
      "message": "เรื่องลิสต์นะ ทุกคนจำได้ อันนี้คือเร"
    },
    {
      "message_id": 27,
      "agent_id": 34,
      "delay": 11,
      "onscreen_delay": 9.882,
      "typing_delay": 1.118,
      "typing_duration": 10.838,
      "wpm": 7,
      "message": "สสสis"
    },
    {
      "message_id": 28,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 29,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 30,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.201,
      "typing_delay": 0.799,
      "typing_duration": 9.15,
      "wpm": 43,
      "message": "มี 5 คนอื่นมีเท่าไหร่คะ  5 "
    },
    {
      "message_id": 31,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 5.614,
      "typing_delay": 1.384,
      "typing_duration": 9.184,
      "wpm": 26,
      "message": "โอเค 5 นะคะ List "
    },
    {
      "message_id": 32,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 33,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 34,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.164,
      "typing_delay": 0.835,
      "typing_duration": 14.272,
      "wpm": 23,
      "message": "2 มี 3 มี 4 แล้วก็มี 5 "
    },
    {
      "message_id": 35,
      "agent_id": 34,
      "delay": 10.269,
      "onscreen_delay": 9.359,
      "typing_delay": 0.91,
      "typing_duration": 6.999,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 36,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 37,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 38,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.158,
      "typing_delay": 0.841,
      "typing_duration": 13.113,
      "wpm": 35,
      "message": "การเก็บข้อมูลลักษณะแบบนี้มีชื่อ"
    },
    {
      "message_id": 39,
      "agent_id": 34,
      "delay": 9.112,
      "onscreen_delay": 8.651,
      "typing_delay": 0.461,
      "typing_duration": 8.326,
      "wpm": 27,
      "message": "เรียกว่า \"List\" "
    },
    {
      "message_id": 40,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 41,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 42,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.768,
      "typing_delay": 1.231,
      "typing_duration": 12.212,
      "wpm": 18,
      "message": "ถูกนะคะ หมายถึง"
    },
    {
      "message_id": 43,
      "agent_id": 34,
      "delay": 8.21,
      "onscreen_delay": 7.665,
      "typing_delay": 0.545,
      "typing_duration": 11.43,
      "wpm": 45,
      "message": "ที่หมายเลขอะไรเอ่ยพอเราวาดเป็นช่อง "
    },
    {
      "message_id": 44,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 45,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 46,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 7.79,
      "typing_delay": 3.208,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 47,
      "agent_id": 34,
      "delay": 11,
      "onscreen_delay": 7.038,
      "typing_delay": 3.962,
      "typing_duration": 14.806,
      "wpm": 20,
      "message": "ก็จะเก็บข้อมูลลงไปใน "
    },
    {
      "message_id": 48,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 49,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 50,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.674,
      "typing_delay": 1.325,
      "typing_duration": 15,
      "wpm": 18,
      "message": "เราจะเริ่มต้นที่ s"
    },
    {
      "message_id": 51,
      "agent_id": 34,
      "delay": 10.999,
      "onscreen_delay": 10.366,
      "typing_delay": 0.633,
      "typing_duration": 6.264,
      "wpm": 34,
      "message": "เท่าไหร่เอ่ย 0 "
    },
    {
      "message_id": 52,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 53,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 54,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 5.484,
      "typing_delay": 5.514,
      "typing_duration": 15.001,
      "wpm": 12,
      "message": "ถ้าคลิกพิมพ์"
    },
    {
      "message_id": 55,
      "agent_id": 34,
      "delay": 10.999,
      "onscreen_delay": 9.497,
      "typing_delay": 1.502,
      "typing_duration": 10.651,
      "wpm": 32,
      "message": "แล้วเวลาครูเขาถึงข้อมูล "
    },
    {
      "message_id": 56,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 57,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 58,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.529,
      "typing_delay": 1.469,
      "typing_duration": 14.645,
      "wpm": 32,
      "message": "index 3 ตอบเท่ากับเท่าไหร่เเอ่ย"
    },
    {
      "message_id": 59,
      "agent_id": 34,
      "delay": 10.643,
      "onscreen_delay": 6.278,
      "typing_delay": 4.365,
      "typing_duration": 15.001,
      "wpm": 7,
      "message": "Index t"
    },
    {
      "message_id": 60,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 61,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 62,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.272,
      "typing_delay": 0.727,
      "typing_duration": 15.002,
      "wpm": 42,
      "message": "ถ้า x เราต้องการหลาย ๆ ค่า 2 จนถึง 4 จะตอบ"
    },
    {
      "message_id": 63,
      "agent_id": 34,
      "delay": 11,
      "onscreen_delay": 9.73,
      "typing_delay": 1.27,
      "typing_duration": 15,
      "wpm": 4,
      "message": "List "
    },
    {
      "message_id": 64,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 65,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 66,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.599,
      "typing_delay": 1.401,
      "typing_duration": 8.977,
      "wpm": 20,
      "message": "4 ใช่ไหม คือ "
    },
    {
      "message_id": 67,
      "agent_id": 34,
      "delay": 6.999,
      "onscreen_delay": 4.914,
      "typing_delay": 2.085,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 68,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 69,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 70,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 6.779,
      "typing_delay": 4.219,
      "typing_duration": 14.512,
      "wpm": 14,
      "message": "คราวนี้ แล้วเร"
    },
    {
      "message_id": 71,
      "agent_id": 34,
      "delay": 10.51,
      "onscreen_delay": 9.632,
      "typing_delay": 0.878,
      "typing_duration": 11.064,
      "wpm": 33,
      "message": "แล้วเราเอา List มาทำอะไร "
    },
    {
      "message_id": 72,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 73,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 74,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.43,
      "typing_delay": 0.569,
      "typing_duration": 9.498,
      "wpm": 27,
      "message": "เราจะพูดถึง stack"
    },
    {
      "message_id": 75,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 4.65,
      "typing_delay": 2.347,
      "typing_duration": 6.552,
      "wpm": 32,
      "message": "Stack นะ Stack "
    },
    {
      "message_id": 76,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 77,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 78,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 10.113,
      "typing_delay": 0.885,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 79,
      "agent_id": 34,
      "delay": 10.995,
      "onscreen_delay": 8.707,
      "typing_delay": 2.288,
      "typing_duration": 5.907,
      "wpm": 25,
      "message": "Stack นะคะ "
    },
    {
      "message_id": 80,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 81,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 82,
      "agent_id": 33,
      "delay": 10.997,
      "onscreen_delay": 7.701,
      "typing_delay": 3.296,
      "typing_duration": 15,
      "wpm": 19,
      "message": "แล้วข้อมูลที่ถูกใสา"
    },
    {
      "message_id": 83,
      "agent_id": 34,
      "delay": 10.997,
      "onscreen_delay": 10.255,
      "typing_delay": 0.742,
      "typing_duration": 13.862,
      "wpm": 37,
      "message": "ไปใน Stack ก่อนจะถูกเอามาใช้ทีหลัง "
    },
    {
      "message_id": 84,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 85,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 86,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 10.079,
      "typing_delay": 0.919,
      "typing_duration": 12.262,
      "wpm": 32,
      "message": "เข้าทีหลังออกก่อน เข้าก่อน"
    },
    {
      "message_id": 87,
      "agent_id": 34,
      "delay": 8.261,
      "onscreen_delay": 7.815,
      "typing_delay": 0.446,
      "typing_duration": 8.887,
      "wpm": 46,
      "message": "ออกทีหลัง ความหมายเหมือนกัน "
    },
    {
      "message_id": 88,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 89,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 90,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.692,
      "typing_delay": 1.307,
      "typing_duration": 15.001,
      "wpm": 35,
      "message": "ทุกคนเคยไปร้านก๋วยเตี๋ยวนะ แล้วเห็ร"
    },
    {
      "message_id": 91,
      "agent_id": 34,
      "delay": 10.999,
      "onscreen_delay": 9.285,
      "typing_delay": 1.714,
      "typing_duration": 10.249,
      "wpm": 29,
      "message": "ก๋วยเตี๋ยวก่อนที่ใช้ "
    },
    {
      "message_id": 92,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 93,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 94,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.841,
      "typing_delay": 1.157,
      "typing_duration": 13.056,
      "wpm": 36,
      "message": "เวลาแม่ค้าเขาจะเอาชามก๋วยเตี๋ยว"
    },
    {
      "message_id": 95,
      "agent_id": 34,
      "delay": 9.053,
      "onscreen_delay": 8.469,
      "typing_delay": 0.584,
      "typing_duration": 14.429,
      "wpm": 50,
      "message": "มาใส่ให้เรา เขาเอาชามที่อยู่ข้ามบนหรือชามที่อยู่ "
    },
    {
      "message_id": 96,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 97,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 98,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.215,
      "typing_delay": 0.784,
      "typing_duration": 14.607,
      "wpm": 36,
      "message": "ทำให้เรา แล้วเวลาเขาล้างจนเสร็จแล้ว"
    },
    {
      "message_id": 99,
      "agent_id": 34,
      "delay": 10.605,
      "onscreen_delay": 9.833,
      "typing_delay": 0.772,
      "typing_duration": 12.878,
      "wpm": 36,
      "message": "นี่ เวลาเขาวางซ้อนนี่เขาวางซ้อน "
    },
    {
      "message_id": 100,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 101,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 102,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.489,
      "typing_delay": 0.511,
      "typing_duration": 10.511,
      "wpm": 39,
      "message": "จะถูกเอาออกมาใช้ก่อน และจาน"
    },
    {
      "message_id": 103,
      "agent_id": 34,
      "delay": 6.999,
      "onscreen_delay": 6.693,
      "typing_delay": 0.306,
      "typing_duration": 15.002,
      "wpm": 32,
      "message": "ที่อยู่บนสุด นะคะ จะถูกเอามาเก็บ"
    },
    {
      "message_id": 104,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 105,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 106,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.921,
      "typing_delay": 0.078,
      "typing_duration": 15.001,
      "wpm": 37,
      "message": "มติครูมีกระดาษอยู่ 1 แผ่น ครูมีกระดาษ"
    },
    {
      "message_id": 107,
      "agent_id": 34,
      "delay": 11,
      "onscreen_delay": 10.262,
      "typing_delay": 0.738,
      "typing_duration": 14.58,
      "wpm": 45,
      "message": "นะคะ กระดาษแผ่นที่ 1 ครูจะใส่กระดาษแผ่นที่ 2 "
    },
    {
      "message_id": 108,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 109,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 110,
      "agent_id": 33,
      "delay": 11.002,
      "onscreen_delay": 10.272,
      "typing_delay": 0.73,
      "typing_duration": 13.898,
      "wpm": 30,
      "message": "ครูใส่กระดาษแผ่นที่ 3 เข้าไป"
    },
    {
      "message_id": 111,
      "agent_id": 34,
      "delay": 9.896,
      "onscreen_delay": 9.312,
      "typing_delay": 0.584,
      "typing_duration": 11.705,
      "wpm": 41,
      "message": "นะคะ ก็ใส่กระดาษแผ่นที่ 4 เข้าไป "
    },
    {
      "message_id": 112,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 113,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 114,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.985,
      "typing_delay": 1.014,
      "typing_duration": 14.42,
      "wpm": 38,
      "message": "ตัวบนสุดถูกไหมคะ ครูไม่ ไม่พยายามหยิบ"
    },
    {
      "message_id": 115,
      "agent_id": 34,
      "delay": 10.419,
      "onscreen_delay": 9.757,
      "typing_delay": 0.662,
      "typing_duration": 14.786,
      "wpm": 47,
      "message": "ตัวล่างสุดออกมานะ แต่ครูจะหยิบตัวบนสุดออกไปใช้ "
    },
    {
      "message_id": 116,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 117,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 118,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 7.57,
      "typing_delay": 3.429,
      "typing_duration": 12.941,
      "wpm": 29,
      "message": "เราสามารถ สรุปได้แบบนี้นะ"
    },
    {
      "message_id": 119,
      "agent_id": 34,
      "delay": 8.938,
      "onscreen_delay": 7.386,
      "typing_delay": 1.552,
      "typing_duration": 13.891,
      "wpm": 32,
      "message": "ข้อมูลที่เข้ามาใน Stack ตัวแรก "
    },
    {
      "message_id": 120,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 121,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 122,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.044,
      "typing_delay": 0.955,
      "typing_duration": 10.549,
      "wpm": 43,
      "message": "ตัวถัดไปก็จะซ้อนขึ้นมาเรื่อย ๆ "
    },
    {
      "message_id": 123,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 5.581,
      "typing_delay": 1.417,
      "typing_duration": 13.462,
      "wpm": 38,
      "message": "ข้อมูลที่เข้าไปใน Stack ตัวสุดท้าย "
    },
    {
      "message_id": 124,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 125,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 126,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.974,
      "typing_delay": 1.024,
      "typing_duration": 11.913,
      "wpm": 34,
      "message": "ใน stack ออกมาใช้งาน ข้อมูล"
    },
    {
      "message_id": 127,
      "agent_id": 34,
      "delay": 7.912,
      "onscreen_delay": 7.564,
      "typing_delay": 0.348,
      "typing_duration": 11.105,
      "wpm": 49,
      "message": "ที่เข้าไปเป็นตัวล่าสุดหรือตัวสุดท้าย "
    },
    {
      "message_id": 128,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 129,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 130,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 10.267,
      "typing_delay": 0.731,
      "typing_duration": 11.74,
      "wpm": 46,
      "message": "จะถูกเอามาใช้งานเป้นตัวสุดท้าย เพราะ"
    },
    {
      "message_id": 131,
      "agent_id": 34,
      "delay": 7.739,
      "onscreen_delay": 7.142,
      "typing_delay": 0.597,
      "typing_duration": 15,
      "wpm": 30,
      "message": "มันอยู่ล่างสุดเวลาจะเอาออกมาใช"
    },
    {
      "message_id": 132,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 133,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 134,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.241,
      "typing_delay": 0.758,
      "typing_duration": 15.001,
      "wpm": 39,
      "message": "เราเอาข้อมูงใส่ใน stack เราพูดถึง stack"
    },
    {
      "message_id": 135,
      "agent_id": 34,
      "delay": 11,
      "onscreen_delay": 9.629,
      "typing_delay": 1.371,
      "typing_duration": 11.189,
      "wpm": 34,
      "message": "ตอนนี้ทุกคนมอง Stack เป็น "
    },
    {
      "message_id": 136,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 137,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 138,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.942,
      "typing_delay": 1.056,
      "typing_duration": 15,
      "wpm": 42,
      "message": "แบบนี้ มันจะอยู่ในแนวนอนอ หรือแนวตั้งก็ได้"
    },
    {
      "message_id": 139,
      "agent_id": 34,
      "delay": 10.999,
      "onscreen_delay": 9.988,
      "typing_delay": 1.011,
      "typing_duration": 10.184,
      "wpm": 46,
      "message": "ตอนนี้ครูให้มองเป็นภาพในแนวตั้ง "
    },
    {
      "message_id": 140,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 141,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 142,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.434,
      "typing_delay": 0.565,
      "typing_duration": 14.406,
      "wpm": 35,
      "message": "เราใส่ข้อมูลลงไป เราดึงข้อมูลออกมา"
    },
    {
      "message_id": 143,
      "agent_id": 34,
      "delay": 10.405,
      "onscreen_delay": 9.379,
      "typing_delay": 1.026,
      "typing_duration": 8.775,
      "wpm": 39,
      "message": "คราวนี้ Stack ถ้ามันไม่ "
    },
    {
      "message_id": 144,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 145,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 146,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.415,
      "typing_delay": 0.585,
      "typing_duration": 15.002,
      "wpm": 26,
      "message": "นะคะ อันนั้นจะเรียกว่า คือ "
    },
    {
      "message_id": 147,
      "agent_id": 34,
      "delay": 10.999,
      "onscreen_delay": 7.716,
      "typing_delay": 3.283,
      "typing_duration": 7.552,
      "wpm": 28,
      "message": "ถ้าเราจะใส่ข้อ "
    },
    {
      "message_id": 148,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 149,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 150,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.558,
      "typing_delay": 1.44,
      "typing_duration": 4.32,
      "wpm": 14,
      "message": "นะคะ"
    },
    {
      "message_id": 151,
      "agent_id": 34,
      "delay": 6.996,
      "onscreen_delay": 5.996,
      "typing_delay": 1,
      "typing_duration": 9.342,
      "wpm": 45,
      "message": "คำสั่ง Push ก็คือใส่ข้อมูลลง"
    },
    {
      "message_id": 152,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 153,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 154,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.195,
      "typing_delay": 0.804,
      "typing_duration": 15.001,
      "wpm": 26,
      "message": "มีอยู่ 2 ตัวที่ทุกคนต้องรู"
    },
    {
      "message_id": 155,
      "agent_id": 34,
      "delay": 10.997,
      "onscreen_delay": 9.598,
      "typing_delay": 1.399,
      "typing_duration": 14.42,
      "wpm": 25,
      "message": "Push กับ Pop Push คือใส่ "
    },
    {
      "message_id": 156,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 157,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 158,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 8.183,
      "typing_delay": 2.815,
      "typing_duration": 13.446,
      "wpm": 21,
      "message": "คราวนี้มาดูตัวอย่าง"
    },
    {
      "message_id": 159,
      "agent_id": 34,
      "delay": 9.445,
      "onscreen_delay": 8.395,
      "typing_delay": 1.05,
      "typing_duration": 9.509,
      "wpm": 36,
      "message": "นะคะ มีแค่ Push กับ Pop "
    },
    {
      "message_id": 160,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 161,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 162,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.162,
      "typing_delay": 1.837,
      "typing_duration": 15,
      "wpm": 26,
      "message": "เห็นไหมคะ คำสั่ง Push push"
    },
    {
      "message_id": 163,
      "agent_id": 34,
      "delay": 10.997,
      "onscreen_delay": 10.12,
      "typing_delay": 0.877,
      "typing_duration": 12.394,
      "wpm": 40,
      "message": "ค่าอะไร Push ค่า A เมื่อไหร่ก็ตาม "
    },
    {
      "message_id": 164,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 165,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 166,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.036,
      "typing_delay": 0.964,
      "typing_duration": 15.001,
      "wpm": 36,
      "message": "เรา Push ค่า A ลงไป เห็นไหม มันก็อย๋"
    },
    {
      "message_id": 167,
      "agent_id": 34,
      "delay": 11,
      "onscreen_delay": 9.89,
      "typing_delay": 1.11,
      "typing_duration": 6.884,
      "wpm": 35,
      "message": "นะคะ ถัดมาถ้าครู "
    },
    {
      "message_id": 168,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 169,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 170,
      "agent_id": 33,
      "delay": 10.997,
      "onscreen_delay": 9.258,
      "typing_delay": 1.739,
      "typing_duration": 13.472,
      "wpm": 27,
      "message": "Push C C ก็อยู่ถัดขึ้นไป "
    },
    {
      "message_id": 171,
      "agent_id": 34,
      "delay": 9.47,
      "onscreen_delay": 8.874,
      "typing_delay": 0.596,
      "typing_duration": 13.297,
      "wpm": 30,
      "message": "และ  Push (D) D จะอยู่บนสุด "
    },
    {
      "message_id": 172,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 173,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 174,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.244,
      "typing_delay": 0.755,
      "typing_duration": 15.001,
      "wpm": 32,
      "message": "เอาออกบ้าง เอาข้อมูลออกจาก stack "
    },
    {
      "message_id": 175,
      "agent_id": 34,
      "delay": 11,
      "onscreen_delay": 10.02,
      "typing_delay": 0.98,
      "typing_duration": 8.697,
      "wpm": 38,
      "message": "จะใช้คำสั่ง Pop Pop นะ "
    },
    {
      "message_id": 176,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 177,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 178,
      "agent_id": 33,
      "delay": 10.997,
      "onscreen_delay": 9.986,
      "typing_delay": 1.011,
      "typing_duration": 9.786,
      "wpm": 37,
      "message": "ค่าที่อยู่ใน stack ออกมา"
    },
    {
      "message_id": 179,
      "agent_id": 34,
      "delay": 6.996,
      "onscreen_delay": 3.371,
      "typing_delay": 3.625,
      "typing_duration": 9.414,
      "wpm": 21,
      "message": "เราสั่งคำสั่ง "
    },
    {
      "message_id": 180,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 181,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 182,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.933,
      "typing_delay": 1.067,
      "typing_duration": 11.606,
      "wpm": 45,
      "message": "ดึงออกมา เพราะฉะนั้น เดิมเป็นแบบนี้"
    },
    {
      "message_id": 183,
      "agent_id": 34,
      "delay": 7.604,
      "onscreen_delay": 6.574,
      "typing_delay": 1.03,
      "typing_duration": 13.736,
      "wpm": 25,
      "message": "ถูกไหม ครูใช้คำสั่ง Pop "
    },
    {
      "message_id": 184,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 185,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 186,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.159,
      "typing_delay": 0.841,
      "typing_duration": 4.184,
      "wpm": 14,
      "message": "นะคะ "
    },
    {
      "message_id": 187,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 3.998,
      "typing_delay": 2.999,
      "typing_duration": 10.967,
      "wpm": 18,
      "message": "ถัดมาครู Push "
    },
    {
      "message_id": 188,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 189,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 190,
      "agent_id": 33,
      "delay": 10.997,
      "onscreen_delay": 10.317,
      "typing_delay": 0.68,
      "typing_duration": 15,
      "wpm": 45,
      "message": "เราใส่ค่าอะไร วงเล็บเปิดแล้วใส่ค่าตัว E วงเล๋"
    },
    {
      "message_id": 191,
      "agent_id": 34,
      "delay": 10.999,
      "onscreen_delay": 9.759,
      "typing_delay": 1.24,
      "typing_duration": 9.238,
      "wpm": 31,
      "message": "ครู Push ค่า E ลงไป "
    },
    {
      "message_id": 192,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 193,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 194,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.894,
      "typing_delay": 1.105,
      "typing_duration": 15,
      "wpm": 23,
      "message": "ถัดมา ครู Pop ครูเอาออก "
    },
    {
      "message_id": 195,
      "agent_id": 34,
      "delay": 10.998,
      "onscreen_delay": 10.02,
      "typing_delay": 0.978,
      "typing_duration": 11.373,
      "wpm": 40,
      "message": "ก็บนสุดถูกไหมคะ ก็คือเอา F ออก "
    },
    {
      "message_id": 196,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 197,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 198,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 6.499,
      "typing_delay": 4.501,
      "typing_duration": 8.819,
      "wpm": 7,
      "message": "โอเค"
    },
    {
      "message_id": 199,
      "agent_id": 34,
      "delay": 6.999,
      "onscreen_delay": 4.622,
      "typing_delay": 2.377,
      "typing_duration": 4.385,
      "wpm": 17,
      "message": "ถัดมา "
    },
    {
      "message_id": 200,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 201,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 202,
      "agent_id": 33,
      "delay": 10.997,
      "onscreen_delay": 9.975,
      "typing_delay": 1.022,
      "typing_duration": 14.692,
      "wpm": 30,
      "message": "นะคะ การจัดเก็บข้อมูลใน stack "
    },
    {
      "message_id": 203,
      "agent_id": 34,
      "delay": 10.69,
      "onscreen_delay": 9.129,
      "typing_delay": 1.561,
      "typing_duration": 13.441,
      "wpm": 39,
      "message": "เราพูดถึง Stack มันเก็บข้อมูลแบบไหน "
    },
    {
      "message_id": 204,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 205,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 206,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.042,
      "typing_delay": 0.957,
      "typing_duration": 14.818,
      "wpm": 40,
      "message": "นะ สามารถวาดเป็นแนวตั้งหรือแนวนอนก็ได้นะ "
    },
    {
      "message_id": 207,
      "agent_id": 34,
      "delay": 10.817,
      "onscreen_delay": 10.306,
      "typing_delay": 0.511,
      "typing_duration": 13.127,
      "wpm": 41,
      "message": "ข้อมูลที่ใส่เข้ามาตัวแรกจะอยู่ ที่ 0 "
    },
    {
      "message_id": 208,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 209,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 210,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 6.115,
      "typing_delay": 4.884,
      "typing_duration": 8.183,
      "wpm": 9,
      "message": "Stack "
    },
    {
      "message_id": 211,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 6.165,
      "typing_delay": 0.832,
      "typing_duration": 14.491,
      "wpm": 47,
      "message": "ที่ครูให้มานี่ที่เก็บอยู่ในรูปแบบที่เป็น List "
    },
    {
      "message_id": 212,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 213,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 214,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.162,
      "typing_delay": 0.838,
      "typing_duration": 12.59,
      "wpm": 45,
      "message": "4 ช่องด้วยกัน ทุกช่องมีค่าไหมคะ ทุกช่อ"
    },
    {
      "message_id": 215,
      "agent_id": 34,
      "delay": 8.59,
      "onscreen_delay": 7.808,
      "typing_delay": 0.782,
      "typing_duration": 8.057,
      "wpm": 41,
      "message": "ค่านะ มันเต็มหรือยังคะ "
    },
    {
      "message_id": 216,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 217,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 218,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 10.869,
      "typing_delay": 0.132,
      "typing_duration": 15,
      "wpm": 33,
      "message": "ล้ว แบบนี้เรียกว่า Stack เต็มแล้ว "
    },
    {
      "message_id": 219,
      "agent_id": 34,
      "delay": 10.999,
      "onscreen_delay": 10.237,
      "typing_delay": 0.762,
      "typing_duration": 9.472,
      "wpm": 46,
      "message": "ให้เราใส่ข้อมูลตัวใหม่ได้แล้ว "
    },
    {
      "message_id": 220,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 221,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 222,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.037,
      "typing_delay": 0.963,
      "typing_duration": 6.635,
      "wpm": 16,
      "message": "คราวนี้"
    },
    {
      "message_id": 223,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 5.061,
      "typing_delay": 1.936,
      "typing_duration": 13.881,
      "wpm": 25,
      "message": "เรามี 2 คำสั่งที่พูดถึง "
    },
    {
      "message_id": 224,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 225,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 226,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.844,
      "typing_delay": 1.156,
      "typing_duration": 15,
      "wpm": 29,
      "message": "เช่น ครูมี stack แบบนี้นะคะ ม"
    },
    {
      "message_id": 227,
      "agent_id": 34,
      "delay": 10.999,
      "onscreen_delay": 10.388,
      "typing_delay": 0.611,
      "typing_duration": 9.137,
      "wpm": 38,
      "message": "ข้อมูลได้ไหมคะ มี มันมี "
    },
    {
      "message_id": 228,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 229,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 230,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.638,
      "typing_delay": 1.361,
      "typing_duration": 15.001,
      "wpm": 43,
      "message": "stack มันจะมาใส่ช่องนี้ช่องที่1 หรือช่องที่ "
    },
    {
      "message_id": 231,
      "agent_id": 34,
      "delay": 10.998,
      "onscreen_delay": 10.478,
      "typing_delay": 0.52,
      "typing_duration": 9.182,
      "wpm": 41,
      "message": "ที่ 2 คะ ช่องที่ 1 ถูกไหม "
    },
    {
      "message_id": 232,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 233,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 234,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.857,
      "typing_delay": 1.143,
      "typing_duration": 14.604,
      "wpm": 36,
      "message": "จนถึงตัวสุดท้ายที่มันสามารถจะใส่ได้"
    },
    {
      "message_id": 235,
      "agent_id": 34,
      "delay": 10.602,
      "onscreen_delay": 10.254,
      "typing_delay": 0.348,
      "typing_duration": 9.34,
      "wpm": 40,
      "message": "ช่องตรงนี้ก็จะเอา 3 มาใส่ "
    },
    {
      "message_id": 236,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 237,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 238,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 10.002,
      "typing_delay": 0.999,
      "typing_duration": 13.095,
      "wpm": 32,
      "message": "ลิสต์นะคะ ในการจัดเก็บข้อมูล "
    },
    {
      "message_id": 239,
      "agent_id": 34,
      "delay": 9.094,
      "onscreen_delay": 8.474,
      "typing_delay": 0.62,
      "typing_duration": 15.001,
      "wpm": 29,
      "message": "เราใช้ List ในการจัดเก็บข้อมู"
    },
    {
      "message_id": 240,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 241,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 242,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 8.439,
      "typing_delay": 2.562,
      "typing_duration": 15.001,
      "wpm": 27,
      "message": "เพราะ append(d) เป็นการสั่ง"
    },
    {
      "message_id": 243,
      "agent_id": 34,
      "delay": 11,
      "onscreen_delay": 10.566,
      "typing_delay": 0.434,
      "typing_duration": 10.414,
      "wpm": 36,
      "message": "การเพิ่มข้อมูลลงไปใน List "
    },
    {
      "message_id": 244,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 245,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 246,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.22,
      "typing_delay": 0.779,
      "typing_duration": 14.131,
      "wpm": 31,
      "message": "ข้อมูลตัวใหม่ แล้วก็วงเล็บปิด"
    },
    {
      "message_id": 247,
      "agent_id": 34,
      "delay": 10.129,
      "onscreen_delay": 7.647,
      "typing_delay": 2.482,
      "typing_duration": 5.435,
      "wpm": 14,
      "message": "ถัดมา "
    },
    {
      "message_id": 248,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 249,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 250,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.28,
      "typing_delay": 1.719,
      "typing_duration": 13.692,
      "wpm": 47,
      "message": "ก่อนที่เราจะเอาข้อมูลออกนี่ เราต้องเช็กก่อน"
    },
    {
      "message_id": 251,
      "agent_id": 34,
      "delay": 9.69,
      "onscreen_delay": 9.372,
      "typing_delay": 0.318,
      "typing_duration": 14.019,
      "wpm": 37,
      "message": "ก่อนว่า Stack เรานี่มาข้อมูลอยู่ไหม "
    },
    {
      "message_id": 252,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 253,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 254,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 10.12,
      "typing_delay": 0.878,
      "typing_duration": 14.277,
      "wpm": 41,
      "message": "ให้เราดึงออกมา เพราะฉะนั้น อันดับแรกนี่"
    },
    {
      "message_id": 255,
      "agent_id": 34,
      "delay": 10.275,
      "onscreen_delay": 9.534,
      "typing_delay": 0.741,
      "typing_duration": 7.165,
      "wpm": 33,
      "message": "เราต้อง เช็กก่อน "
    },
    {
      "message_id": 256,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 257,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 258,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.982,
      "typing_delay": 1.016,
      "typing_duration": 13.421,
      "wpm": 38,
      "message": "เราจะไม่สามารถทำคำสั่ง pop ได้นะคะ"
    },
    {
      "message_id": 259,
      "agent_id": 34,
      "delay": 9.419,
      "onscreen_delay": 7.157,
      "typing_delay": 2.262,
      "typing_duration": 15,
      "wpm": 20,
      "message": "แต่ถ้า Stack ไม่ว่าง "
    },
    {
      "message_id": 260,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 261,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 262,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.281,
      "typing_delay": 0.719,
      "typing_duration": 13.887,
      "wpm": 37,
      "message": "คำสั่ง Popเข้ามูลอะไรจะถูกดึงออกมา"
    },
    {
      "message_id": 263,
      "agent_id": 34,
      "delay": 9.884,
      "onscreen_delay": 7.784,
      "typing_delay": 2.1,
      "typing_duration": 6.186,
      "wpm": 36,
      "message": "มีอยุ่ 3 ค่านี้ "
    },
    {
      "message_id": 264,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 265,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 266,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.845,
      "typing_delay": 1.155,
      "typing_duration": 8.864,
      "wpm": 37,
      "message": "อะไรคะ 1 หรือ 2 หรือ 3 "
    },
    {
      "message_id": 267,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 5.231,
      "typing_delay": 1.766,
      "typing_duration": 13.876,
      "wpm": 25,
      "message": "3 ใช่ไหมเอาตัวที่อยู่บน "
    },
    {
      "message_id": 268,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 269,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 270,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 8.8,
      "typing_delay": 2.2,
      "typing_duration": 15.001,
      "wpm": 26,
      "message": "ถ้าเป็นแนวตั้ง ตัวล่าสุดจะ"
    },
    {
      "message_id": 271,
      "agent_id": 34,
      "delay": 11,
      "onscreen_delay": 10.515,
      "typing_delay": 0.485,
      "typing_duration": 9.905,
      "wpm": 39,
      "message": "ข้างบนใช่ไหมคะ ก็คือ เลข 3 "
    },
    {
      "message_id": 272,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 273,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 274,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 7.475,
      "typing_delay": 3.525,
      "typing_duration": 4.835,
      "wpm": 12,
      "message": "โอเค"
    },
    {
      "message_id": 275,
      "agent_id": 34,
      "delay": 6.999,
      "onscreen_delay": 2.288,
      "typing_delay": 4.711,
      "typing_duration": 6.122,
      "wpm": 12,
      "message": "ถัดมา "
    },
    {
      "message_id": 276,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 277,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 278,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.686,
      "typing_delay": 1.313,
      "typing_duration": 15.001,
      "wpm": 40,
      "message": "stack นั้นเป็น stack ว่างหรือเปล่า เราก็"
    },
    {
      "message_id": 279,
      "agent_id": 34,
      "delay": 10.997,
      "onscreen_delay": 10.694,
      "typing_delay": 0.303,
      "typing_duration": 10.76,
      "wpm": 33,
      "message": "ดูขนาดของ Stack ถูกไหมคะ "
    },
    {
      "message_id": 280,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 281,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 282,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.328,
      "typing_delay": 0.671,
      "typing_duration": 11.636,
      "wpm": 27,
      "message": "คือไม่มีข้อมูลอยู่เลย "
    },
    {
      "message_id": 283,
      "agent_id": 34,
      "delay": 7.635,
      "onscreen_delay": 6.941,
      "typing_delay": 0.694,
      "typing_duration": 13.581,
      "wpm": 31,
      "message": "ก็ไม่ต้องทำอะไรแต่ถ้ามันเป็น "
    },
    {
      "message_id": 284,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 285,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 286,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.959,
      "typing_delay": 1.04,
      "typing_duration": 10.433,
      "wpm": 29,
      "message": "คราวนี้ อันนี้จะเป็น"
    },
    {
      "message_id": 287,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 5.377,
      "typing_delay": 1.621,
      "typing_duration": 13.679,
      "wpm": 39,
      "message": "Code เป็นโปรแกรมที่เราจะเขียนทั้งหมด "
    },
    {
      "message_id": 288,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 289,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 290,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 5.965,
      "typing_delay": 5.034,
      "typing_duration": 5.034,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 291,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 3.004,
      "typing_delay": 3.994,
      "typing_duration": 3.994,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 292,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 293,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 294,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 0.234,
      "typing_delay": 10.764,
      "typing_duration": 10.764,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 295,
      "agent_id": 34,
      "delay": 6.993,
      "onscreen_delay": 4.491,
      "typing_delay": 2.502,
      "typing_duration": 5.164,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 296,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 297,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 298,
      "agent_id": 33,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 299,
      "agent_id": 34,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 300,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 301,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 302,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 303,
      "agent_id": 34,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 304,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 305,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 306,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 3.638,
      "typing_delay": 7.361,
      "typing_duration": 7.361,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 307,
      "agent_id": 34,
      "delay": 6.979,
      "onscreen_delay": 1.017,
      "typing_delay": 5.962,
      "typing_duration": 5.962,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 308,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 309,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 310,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.904,
      "typing_delay": 1.095,
      "typing_duration": 15.001,
      "wpm": 37,
      "message": "ในแนวตั้ง ถูกไหม เป็น stack .oco;9yh'"
    },
    {
      "message_id": 311,
      "agent_id": 34,
      "delay": 10.997,
      "onscreen_delay": 9.673,
      "typing_delay": 1.324,
      "typing_duration": 6.429,
      "wpm": 26,
      "message": "นะคะ ตัวแรก "
    },
    {
      "message_id": 312,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 313,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 314,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.689,
      "typing_delay": 1.31,
      "typing_duration": 15.001,
      "wpm": 33,
      "message": "แล้วค่อยขยับขึ้นไปช่ิงถัดไป ถัดไป "
    },
    {
      "message_id": 315,
      "agent_id": 34,
      "delay": 11,
      "onscreen_delay": 10.024,
      "typing_delay": 0.976,
      "typing_duration": 15.001,
      "wpm": 34,
      "message": "จะซ้อนขึ้นไปข้างบนถ้าเป็น Stack ใน "
    },
    {
      "message_id": 316,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 317,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 318,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 8.451,
      "typing_delay": 2.548,
      "typing_duration": 10.516,
      "wpm": 21,
      "message": "push ใส่ขึ้นมูล"
    },
    {
      "message_id": 319,
      "agent_id": 34,
      "delay": 6.996,
      "onscreen_delay": 3.058,
      "typing_delay": 3.938,
      "typing_duration": 3.938,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 320,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 321,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 322,
      "agent_id": 33,
      "delay": 10.997,
      "onscreen_delay": 10.439,
      "typing_delay": 0.558,
      "typing_duration": 11.811,
      "wpm": 33,
      "message": "คราวนี้ดู Push 5 เห็นไหมคะ"
    },
    {
      "message_id": 323,
      "agent_id": 34,
      "delay": 7.809,
      "onscreen_delay": 5.455,
      "typing_delay": 2.354,
      "typing_duration": 15.001,
      "wpm": 22,
      "message": "ครูใส่หมายเลขช่องก่อรช"
    },
    {
      "message_id": 324,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 325,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 326,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.86,
      "typing_delay": 1.138,
      "typing_duration": 14.9,
      "wpm": 37,
      "message": "หมายเลขช่องแล้วนะ เริ่มที่ 0, 1, 2, 3"
    },
    {
      "message_id": 327,
      "agent_id": 34,
      "delay": 10.898,
      "onscreen_delay": 10.353,
      "typing_delay": 0.545,
      "typing_duration": 15.001,
      "wpm": 25,
      "message": "ครูสั่ง Push 5 5 จะไปอยู้"
    },
    {
      "message_id": 328,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 329,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 330,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.018,
      "typing_delay": 0.982,
      "typing_duration": 13.661,
      "wpm": 34,
      "message": "ลงมา มันอยู่ที่ช่องไหนคะ ช่อง 0"
    },
    {
      "message_id": 331,
      "agent_id": 34,
      "delay": 9.661,
      "onscreen_delay": 8.843,
      "typing_delay": 0.818,
      "typing_duration": 10.95,
      "wpm": 34,
      "message": "เห็นไหม พอครูหย่อน 5 ลงมา "
    },
    {
      "message_id": 332,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 333,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 334,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.951,
      "typing_delay": 1.048,
      "typing_duration": 14.633,
      "wpm": 42,
      "message": "เดิมมันมี 5 อยู่แล้วนะ แล้วครุสั่ง Push10"
    },
    {
      "message_id": 335,
      "agent_id": 34,
      "delay": 10.632,
      "onscreen_delay": 9.594,
      "typing_delay": 1.038,
      "typing_duration": 11.747,
      "wpm": 43,
      "message": "10 เพราะฉะนั้น 10 จะมาอยู่ที่ไหนคะ "
    },
    {
      "message_id": 336,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 337,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 338,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.755,
      "typing_delay": 1.245,
      "typing_duration": 11.815,
      "wpm": 33,
      "message": "ถัดมา เดิมมี 5 กับ 10 แล้ว"
    },
    {
      "message_id": 339,
      "agent_id": 34,
      "delay": 7.813,
      "onscreen_delay": 6.835,
      "typing_delay": 0.978,
      "typing_duration": 10.458,
      "wpm": 44,
      "message": "ครูเขียนเรียบร้อยก่อนใส่ที่ช่อง "
    },
    {
      "message_id": 340,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 341,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 342,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.905,
      "typing_delay": 1.093,
      "typing_duration": 12.763,
      "wpm": 29,
      "message": "push ข้อมุลลงไปนะคะ ทีนี้"
    },
    {
      "message_id": 343,
      "agent_id": 34,
      "delay": 8.762,
      "onscreen_delay": 7.567,
      "typing_delay": 1.195,
      "typing_duration": 14.401,
      "wpm": 25,
      "message": "จากรูปนี้ครูสั่ง Pop เอา "
    },
    {
      "message_id": 344,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 345,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 346,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.287,
      "typing_delay": 0.713,
      "typing_duration": 6.297,
      "wpm": 33,
      "message": "เอ่ย 15 ใช่ไหม "
    },
    {
      "message_id": 347,
      "agent_id": 34,
      "delay": 6.999,
      "onscreen_delay": 6.528,
      "typing_delay": 0.471,
      "typing_duration": 9.254,
      "wpm": 26,
      "message": "เอาตัวบนสุดเลือก "
    },
    {
      "message_id": 348,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 349,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 350,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.914,
      "typing_delay": 1.086,
      "typing_duration": 10.651,
      "wpm": 28,
      "message": "ใช่ไหมคะ เพราะฉะนั้น "
    },
    {
      "message_id": 351,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 5.998,
      "typing_delay": 0.999,
      "typing_duration": 9.028,
      "wpm": 38,
      "message": "15 จะถูกดึงออกมาข้างนอก "
    },
    {
      "message_id": 352,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 353,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 354,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.01,
      "typing_delay": 0.989,
      "typing_duration": 14.411,
      "wpm": 37,
      "message": "ครูสั่ง Pop อีกทีนึง เอาอะไรออกมา่คะ"
    },
    {
      "message_id": 355,
      "agent_id": 34,
      "delay": 10.408,
      "onscreen_delay": 7.559,
      "typing_delay": 2.849,
      "typing_duration": 8.317,
      "wpm": 27,
      "message": "เดิมมี 5 กับ 10 "
    },
    {
      "message_id": 356,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 357,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 358,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.918,
      "typing_delay": 1.081,
      "typing_duration": 13.401,
      "wpm": 39,
      "message": "เห็นไหม 10 ไม่เหลือแล้ว เพราะฉะนั้น"
    },
    {
      "message_id": 359,
      "agent_id": 34,
      "delay": 9.4,
      "onscreen_delay": 8.632,
      "typing_delay": 0.768,
      "typing_duration": 15.001,
      "wpm": 34,
      "message": "ใน Stack เราเหลือกี่ค่าคะ ค่าเดียว"
    },
    {
      "message_id": 360,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 361,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 362,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 6.557,
      "typing_delay": 4.444,
      "typing_duration": 4.444,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 363,
      "agent_id": 34,
      "delay": 7,
      "onscreen_delay": 3.716,
      "typing_delay": 3.284,
      "typing_duration": 13.287,
      "wpm": 33,
      "message": "เดี๋ยวครูจะให้ทำแบบฝึกหัดนะคะ "
    },
    {
      "message_id": 364,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 365,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 366,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 367,
      "agent_id": 34,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 368,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 369,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 370,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 371,
      "agent_id": 34,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 372,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 373,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 374,
      "agent_id": 33,
      "delay": 12.691,
      "onscreen_delay": 0,
      "typing_delay": 12.691,
      "typing_duration": 12.691,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 375,
      "agent_id": 34,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 376,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 377,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 378,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 5.637,
      "typing_delay": 5.363,
      "typing_duration": 5.363,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 379,
      "agent_id": 34,
      "delay": 6.999,
      "onscreen_delay": 2.065,
      "typing_delay": 4.934,
      "typing_duration": 14.752,
      "wpm": 19,
      "message": "มีกระดาษไหมคะ มีใคร "
    },
    {
      "message_id": 380,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 381,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 382,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.527,
      "typing_delay": 1.473,
      "typing_duration": 4.501,
      "wpm": 37,
      "message": "มันจะมีเส้น"
    },
    {
      "message_id": 383,
      "agent_id": 34,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 384,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 385,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 386,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 387,
      "agent_id": 34,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 388,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 389,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 390,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 391,
      "agent_id": 34,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 392,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 393,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 394,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 395,
      "agent_id": 34,
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      "delay": 11,
      "onscreen_delay": 4.327,
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      "typing_duration": 10.595,
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      "message": "คราวนี้นะคะ"
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      "message_id": 459,
      "agent_id": 34,
      "delay": 6.995,
      "onscreen_delay": 5.88,
      "typing_delay": 1.115,
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      "wpm": 15,
      "message": "ครูมีโจทย์มาให้ "
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      "delay": 10.999,
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      "message": "ครูมีให้อยู่แล้ว อยู่ใน stack 8n"
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      "delay": 10.998,
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      "wpm": 30,
      "message": "อันแรกเราหย่อนเลข 2 ลงไป "
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      "message_id": 467,
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      "delay": 8.826,
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      "typing_delay": 0.555,
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      "wpm": 34,
      "message": "คือ Push เลข 7 ลงไป "
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      "message_id": 472,
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      "delay": 15.001,
      "onscreen_delay": 0,
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      "message_id": 475,
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      "delay": 6.995,
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      "message": "เพราะฉะนั้น แต่ละข้อ "
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      "message_id": 477,
      "agent_id": 3,
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      "onscreen_delay": 0,
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    {
      "message_id": 478,
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      "message_id": 479,
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      "message": "เดี๋ยวเราทำด้วยกัน 1 ข้อนะ "
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      "message_id": 481,
      "agent_id": 3,
      "delay": 15,
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      "message_id": 572,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 573,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 574,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 575,
      "agent_id": 34,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 576,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 577,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 578,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 579,
      "agent_id": 34,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 580,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 581,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 582,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 583,
      "agent_id": 34,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 584,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 585,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 586,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 587,
      "agent_id": 34,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 588,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 589,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 590,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 591,
      "agent_id": 34,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 592,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 593,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 594,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 595,
      "agent_id": 34,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 596,
      "agent_id": 2,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 597,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 598,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 599,
      "agent_id": 34,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 600,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 601,
      "agent_id": 3,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 602,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 603,
      "agent_id": 34,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 604,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 605,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 606,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 4.989,
      "typing_delay": 6.01,
      "typing_duration": 6.01,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 607,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 3.477,
      "typing_delay": 3.52,
      "typing_duration": 14.036,
      "wpm": 21,
      "message": "คราวนี้เดี๋ยวเรามาดู "
    },
    {
      "message_id": 608,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 609,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 610,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.087,
      "typing_delay": 1.912,
      "typing_duration": 15.001,
      "wpm": 21,
      "message": "ข้อ 3 นะคะ ครุสั่งให้ "
    },
    {
      "message_id": 611,
      "agent_id": 34,
      "delay": 11,
      "onscreen_delay": 8.724,
      "typing_delay": 2.276,
      "typing_duration": 14.641,
      "wpm": 34,
      "message": "Push 1 ก็คือใส่เลข 1 ลงไปใน Stack "
    },
    {
      "message_id": 612,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 613,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 614,
      "agent_id": 33,
      "delay": 10.996,
      "onscreen_delay": 9.898,
      "typing_delay": 1.098,
      "typing_duration": 14.001,
      "wpm": 32,
      "message": "เขียนก่อนนะคะ เขียนค่าเดิมก่อน"
    },
    {
      "message_id": 615,
      "agent_id": 34,
      "delay": 9.996,
      "onscreen_delay": 8.023,
      "typing_delay": 1.973,
      "typing_duration": 10.066,
      "wpm": 37,
      "message": "ใส่ค่าเดิมมาก่อนเสร็จแล้ว "
    },
    {
      "message_id": 616,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 617,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 618,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.376,
      "typing_delay": 1.624,
      "typing_duration": 10.929,
      "wpm": 26,
      "message": "จากนั้น ครูสั่ง Pop "
    },
    {
      "message_id": 619,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 4.835,
      "typing_delay": 2.162,
      "typing_duration": 11.939,
      "wpm": 33,
      "message": "Pop คือเอาออก บนสุดคืออะไร "
    },
    {
      "message_id": 620,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 621,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 622,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.862,
      "typing_delay": 1.137,
      "typing_duration": 14.665,
      "wpm": 28,
      "message": "7 ถุกไหมคะ  1 จะถูกเอาออกมา"
    },
    {
      "message_id": 623,
      "agent_id": 34,
      "delay": 10.664,
      "onscreen_delay": 9.773,
      "typing_delay": 0.891,
      "typing_duration": 6.717,
      "wpm": 38,
      "message": "ใช่ไหมเพราะฉะนั้น "
    },
    {
      "message_id": 624,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 625,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 626,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 8.865,
      "typing_delay": 2.135,
      "typing_duration": 15.001,
      "wpm": 31,
      "message": "ทำอย่างไร ก็เอาของเดิมที่อยู่ใน "
    },
    {
      "message_id": 627,
      "agent_id": 34,
      "delay": 10.998,
      "onscreen_delay": 10.585,
      "typing_delay": 0.413,
      "typing_duration": 8.197,
      "wpm": 38,
      "message": "เขียนก่อน เพราะฉะนั้น "
    },
    {
      "message_id": 628,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 629,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 630,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.666,
      "typing_delay": 1.334,
      "typing_duration": 13.55,
      "wpm": 23,
      "message": "ใส่ตัวเลขที่ครูสั่งลง"
    },
    {
      "message_id": 631,
      "agent_id": 34,
      "delay": 9.546,
      "onscreen_delay": 9.167,
      "typing_delay": 0.379,
      "typing_duration": 15.001,
      "wpm": 25,
      "message": "ไปก็คือ 7 7 ก็จะอยู่ด้านบ"
    },
    {
      "message_id": 632,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 633,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 634,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 10.099,
      "typing_delay": 0.902,
      "typing_duration": 4.814,
      "wpm": 25,
      "message": "5 คำสั่ง"
    },
    {
      "message_id": 635,
      "agent_id": 34,
      "delay": 6.999,
      "onscreen_delay": 2.651,
      "typing_delay": 4.348,
      "typing_duration": 5.115,
      "wpm": 12,
      "message": "โอเค "
    },
    {
      "message_id": 636,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 637,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 638,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.238,
      "typing_delay": 0.761,
      "typing_duration": 15.001,
      "wpm": 27,
      "message": "ครูเปลี่ยนจสกแนวตั้งเป๋นอจว"
    },
    {
      "message_id": 639,
      "agent_id": 34,
      "delay": 10.999,
      "onscreen_delay": 10.174,
      "typing_delay": 0.825,
      "typing_duration": 12.425,
      "wpm": 36,
      "message": "ถ้าครูลองเปลี่ยน Stack เป็นแนว "
    },
    {
      "message_id": 640,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 641,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 642,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 6.356,
      "typing_delay": 4.644,
      "typing_duration": 4.644,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 643,
      "agent_id": 34,
      "delay": 6.999,
      "onscreen_delay": 2.614,
      "typing_delay": 4.385,
      "typing_duration": 4.385,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 644,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 645,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 646,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 647,
      "agent_id": 34,
      "delay": 10.997,
      "onscreen_delay": 6.945,
      "typing_delay": 4.052,
      "typing_duration": 4.052,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 648,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 649,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 650,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.263,
      "typing_delay": 0.736,
      "typing_duration": 5.198,
      "wpm": 12,
      "message": "นะคะ"
    },
    {
      "message_id": 651,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 6.395,
      "typing_delay": 0.602,
      "typing_duration": 15.001,
      "wpm": 21,
      "message": "และครูมีตัวเลขที่อยู่"
    },
    {
      "message_id": 652,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 653,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 654,
      "agent_id": 33,
      "delay": 10.997,
      "onscreen_delay": 10.233,
      "typing_delay": 0.764,
      "typing_duration": 15.001,
      "wpm": 32,
      "message": "ตัวที่ 2 แล้วครูใช้คำสั่ง push 5"
    },
    {
      "message_id": 655,
      "agent_id": 34,
      "delay": 10.999,
      "onscreen_delay": 10.153,
      "typing_delay": 0.846,
      "typing_duration": 7.929,
      "wpm": 40,
      "message": "5 ข้อที่ 2 ครู Push 6"
    },
    {
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      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 746,
      "agent_id": 33,
      "delay": 12.467,
      "onscreen_delay": 0,
      "typing_delay": 12.467,
      "typing_duration": 12.467,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 747,
      "agent_id": 34,
      "delay": 10.706,
      "onscreen_delay": 0,
      "typing_delay": 10.706,
      "typing_duration": 10.706,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 748,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 749,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 750,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 10.341,
      "typing_delay": 0.657,
      "typing_duration": 15,
      "wpm": 22,
      "message": "ครุสั่ง push แสดงว่าคร"
    },
    {
      "message_id": 751,
      "agent_id": 34,
      "delay": 10.998,
      "onscreen_delay": 10.133,
      "typing_delay": 0.865,
      "typing_duration": 14.361,
      "wpm": 34,
      "message": "ลงไปใน Stack คือเลข 5 ครูเอาเลข 5 "
    },
    {
      "message_id": 752,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 753,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 754,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.516,
      "typing_delay": 0.483,
      "typing_duration": 13.418,
      "wpm": 34,
      "message": "ครูใช้คำสั่ง Push ครูใช้คำสั่ง"
    },
    {
      "message_id": 755,
      "agent_id": 34,
      "delay": 9.415,
      "onscreen_delay": 7.717,
      "typing_delay": 1.698,
      "typing_duration": 11.078,
      "wpm": 45,
      "message": "Push ทำอย่างไรเอาของเดิมยกมาก่อนย "
    },
    {
      "message_id": 756,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 757,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 758,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 8.495,
      "typing_delay": 2.505,
      "typing_duration": 12.389,
      "wpm": 8,
      "message": "จากนั้น "
    },
    {
      "message_id": 759,
      "agent_id": 34,
      "delay": 8.386,
      "onscreen_delay": 8.179,
      "typing_delay": 0.207,
      "typing_duration": 12.563,
      "wpm": 36,
      "message": "เรา Push ค่าใหม่ใส่ค่าใหม่ลงไป "
    },
    {
      "message_id": 760,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 761,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 762,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 10.215,
      "typing_delay": 0.786,
      "typing_duration": 15.001,
      "wpm": 21,
      "message": "แล้ว ครูใช้คำสั่ง Pop "
    },
    {
      "message_id": 763,
      "agent_id": 34,
      "delay": 10.997,
      "onscreen_delay": 10.21,
      "typing_delay": 0.787,
      "typing_duration": 14.779,
      "wpm": 37,
      "message": "ก็คือเอาตัวล่าสุดก็คือตัวที่อยู่ด้าน "
    },
    {
      "message_id": 764,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 765,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 766,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.068,
      "typing_delay": 0.931,
      "typing_duration": 13.571,
      "wpm": 24,
      "message": "เอาเลข 6 ออกมา แล้วเรา"
    },
    {
      "message_id": 767,
      "agent_id": 34,
      "delay": 9.57,
      "onscreen_delay": 9.268,
      "typing_delay": 0.302,
      "typing_duration": 8.197,
      "wpm": 42,
      "message": "ก็ยกตัวที่เหลือ ลงมาใส่ "
    },
    {
      "message_id": 768,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 769,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 770,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 6.335,
      "typing_delay": 4.665,
      "typing_duration": 4.665,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 771,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 0.585,
      "typing_delay": 6.413,
      "typing_duration": 6.413,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 772,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 773,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 774,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 775,
      "agent_id": 34,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 776,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 777,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 778,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 779,
      "agent_id": 34,
      "delay": 11,
      "onscreen_delay": 4.226,
      "typing_delay": 6.774,
      "typing_duration": 9.131,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 780,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 781,
      "agent_id": 3,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 782,
      "agent_id": 33,
      "delay": 11.003,
      "onscreen_delay": 6.496,
      "typing_delay": 4.507,
      "typing_duration": 4.507,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 783,
      "agent_id": 34,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 784,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 785,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 786,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 5.976,
      "typing_delay": 5.024,
      "typing_duration": 14.086,
      "wpm": 12,
      "message": "ครบแล้วหรือ"
    },
    {
      "message_id": 787,
      "agent_id": 34,
      "delay": 10.08,
      "onscreen_delay": 6.204,
      "typing_delay": 3.876,
      "typing_duration": 8.554,
      "wpm": 19,
      "message": "คราวนี้นะคะ "
    },
    {
      "message_id": 788,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 789,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 790,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 5.984,
      "typing_delay": 5.015,
      "typing_duration": 5.015,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 791,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 2.262,
      "typing_delay": 4.736,
      "typing_duration": 7.934,
      "wpm": 11,
      "message": "เราใช้ "
    },
    {
      "message_id": 792,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 793,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 794,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.349,
      "typing_delay": 0.65,
      "typing_duration": 13.062,
      "wpm": 41,
      "message": "ข้อมูลไหน เข้าก่อน จะถูกเอาออกทีหลัง"
    },
    {
      "message_id": 795,
      "agent_id": 34,
      "delay": 9.061,
      "onscreen_delay": 6.029,
      "typing_delay": 3.032,
      "typing_duration": 7.244,
      "wpm": 21,
      "message": "แล้วเราใช้ "
    },
    {
      "message_id": 796,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 797,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 798,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.182,
      "typing_delay": 0.817,
      "typing_duration": 15,
      "wpm": 31,
      "message": "ทุกคนบวก ลบ คูณ หาร สมกากทางคณอ"
    },
    {
      "message_id": 799,
      "agent_id": 34,
      "delay": 10.997,
      "onscreen_delay": 10.388,
      "typing_delay": 0.609,
      "typing_duration": 10.899,
      "wpm": 28,
      "message": "ได้ Stack จะถูกเอามา "
    },
    {
      "message_id": 800,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 801,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 802,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.955,
      "typing_delay": 1.043,
      "typing_duration": 12.864,
      "wpm": 21,
      "message": "บวกลบเลขนะคะ ทีนี้"
    },
    {
      "message_id": 803,
      "agent_id": 34,
      "delay": 8.862,
      "onscreen_delay": 8.375,
      "typing_delay": 0.487,
      "typing_duration": 8.798,
      "wpm": 43,
      "message": "ก่อนที่จะไปดูรูปแบบของการ "
    },
    {
      "message_id": 804,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 805,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 806,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.379,
      "typing_delay": 0.62,
      "typing_duration": 15,
      "wpm": 27,
      "message": "เราใช้ stack เพื่อเป็นนิพจน"
    },
    {
      "message_id": 807,
      "agent_id": 34,
      "delay": 10.996,
      "onscreen_delay": 10.206,
      "typing_delay": 0.79,
      "typing_duration": 15,
      "wpm": 9,
      "message": "ของสัมการ "
    },
    {
      "message_id": 808,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 809,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 810,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.546,
      "typing_delay": 1.454,
      "typing_duration": 15,
      "wpm": 32,
      "message": "จะอยู่ระหว่างตัวเลขอันนี้ก็คือ i"
    },
    {
      "message_id": 811,
      "agent_id": 34,
      "delay": 10.996,
      "onscreen_delay": 1.606,
      "typing_delay": 9.39,
      "typing_duration": 14.3,
      "wpm": 22,
      "message": "นิพจน์ ตัวที่ 2 ก็คือ "
    },
    {
      "message_id": 812,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 813,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 814,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.778,
      "typing_delay": 1.222,
      "typing_duration": 15,
      "wpm": 24,
      "message": "และตัวสุดท้ายคือ postfix "
    },
    {
      "message_id": 815,
      "agent_id": 34,
      "delay": 10.998,
      "onscreen_delay": 9.616,
      "typing_delay": 1.382,
      "typing_duration": 12.914,
      "wpm": 35,
      "message": "เครื่องหมายจะไปอยู่ด้านหลังของ "
    },
    {
      "message_id": 816,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 817,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 818,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.341,
      "typing_delay": 0.659,
      "typing_duration": 14.419,
      "wpm": 33,
      "message": "ดูนะคะ ในการคำนวณทางคณิตศาสตร์นะ"
    },
    {
      "message_id": 819,
      "agent_id": 34,
      "delay": 10.418,
      "onscreen_delay": 7.252,
      "typing_delay": 3.166,
      "typing_duration": 6.081,
      "wpm": 25,
      "message": "เวลาเราเจอ "
    },
    {
      "message_id": 820,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 821,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 822,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.305,
      "typing_delay": 0.694,
      "typing_duration": 13.71,
      "wpm": 18,
      "message": "แบบนี้ 5 + 2 x 2 "
    },
    {
      "message_id": 823,
      "agent_id": 34,
      "delay": 9.708,
      "onscreen_delay": 8.314,
      "typing_delay": 1.394,
      "typing_duration": 12.564,
      "wpm": 33,
      "message": "มันมีตัวเลขมากกว่า 2 ตัวนะคะ "
    },
    {
      "message_id": 824,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 825,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 826,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.04,
      "typing_delay": 0.96,
      "typing_duration": 10.362,
      "wpm": 33,
      "message": "ความสำคัญของเครือ่งหมาย "
    },
    {
      "message_id": 827,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 5.611,
      "typing_delay": 1.387,
      "typing_duration": 9.303,
      "wpm": 24,
      "message": "เจอวงเล็บก่อนทำ "
    },
    {
      "message_id": 828,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 829,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 830,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 10.149,
      "typing_delay": 0.849,
      "typing_duration": 11.625,
      "wpm": 44,
      "message": "เครื่องหมายวงเล็บก่อน จากนั้นลำดับ"
    },
    {
      "message_id": 831,
      "agent_id": 34,
      "delay": 7.62,
      "onscreen_delay": 7.027,
      "typing_delay": 0.593,
      "typing_duration": 10.901,
      "wpm": 25,
      "message": "ความสำหรับตัวที่ 2 "
    },
    {
      "message_id": 832,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 833,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 834,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.014,
      "typing_delay": 0.985,
      "typing_duration": 7.457,
      "wpm": 26,
      "message": "แบบนี้เป็นต้น "
    },
    {
      "message_id": 835,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 6.293,
      "typing_delay": 0.705,
      "typing_duration": 9.387,
      "wpm": 35,
      "message": "เจอเลขยกกำลังเสร็จแล้ว "
    },
    {
      "message_id": 836,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 837,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 838,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.84,
      "typing_delay": 1.16,
      "typing_duration": 13.619,
      "wpm": 31,
      "message": "นะคะ มีลำดับความสำคัญเท่ากัน"
    },
    {
      "message_id": 839,
      "agent_id": 34,
      "delay": 9.617,
      "onscreen_delay": 7.381,
      "typing_delay": 2.236,
      "typing_duration": 11.323,
      "wpm": 36,
      "message": "ตามด้วย บวก กับ ลบ บวกกับลบ "
    },
    {
      "message_id": 840,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 841,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 842,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.31,
      "typing_delay": 0.689,
      "typing_duration": 4.21,
      "wpm": 36,
      "message": "กับหารนะคะ "
    },
    {
      "message_id": 843,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 3.527,
      "typing_delay": 3.47,
      "typing_duration": 6.314,
      "wpm": 26,
      "message": "คราวนี้มาดู "
    },
    {
      "message_id": 844,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 845,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 846,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.328,
      "typing_delay": 1.67,
      "typing_duration": 14.258,
      "wpm": 35,
      "message": "ตัวแรกครูมีวงเล็บเปิดกับวงเล็บปิด"
    },
    {
      "message_id": 847,
      "agent_id": 34,
      "delay": 10.255,
      "onscreen_delay": 6.523,
      "typing_delay": 3.732,
      "typing_duration": 12.669,
      "wpm": 39,
      "message": "โจทย์ ตัวที่ 2 ครูไม่ได้ใส่วงเล็บ "
    },
    {
      "message_id": 848,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 849,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 850,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.196,
      "typing_delay": 0.804,
      "typing_duration": 8.251,
      "wpm": 42,
      "message": "ถ้าเจอวงเล็บ วงเล็บเปิด "
    },
    {
      "message_id": 851,
      "agent_id": 34,
      "delay": 6.999,
      "onscreen_delay": 6.297,
      "typing_delay": 0.702,
      "typing_duration": 5.062,
      "wpm": 33,
      "message": "วงเล็บปิดทำ "
    },
    {
      "message_id": 852,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 853,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 854,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.097,
      "typing_delay": 0.903,
      "typing_duration": 10.677,
      "wpm": 30,
      "message": "เป็น 7  7 แล้วคูณด้วย"
    },
    {
      "message_id": 855,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 5.894,
      "typing_delay": 1.103,
      "typing_duration": 9.117,
      "wpm": 30,
      "message": "2 เท่ากับ เท่าไหร่ "
    },
    {
      "message_id": 856,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 857,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 858,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.193,
      "typing_delay": 1.805,
      "typing_duration": 14.802,
      "wpm": 35,
      "message": "ตัวเลขเท่ากับ 14 ตัวเลขนะคะ เท่ากับ"
    },
    {
      "message_id": 859,
      "agent_id": 34,
      "delay": 10.799,
      "onscreen_delay": 9.64,
      "typing_delay": 1.159,
      "typing_duration": 9.462,
      "wpm": 17,
      "message": "14 แล้วมาดู "
    },
    {
      "message_id": 860,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 861,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 862,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.33,
      "typing_delay": 0.669,
      "typing_duration": 13.882,
      "wpm": 37,
      "message": "เราทำตรงไหนก่อน ย้อนกลับมาดูข้างบน"
    },
    {
      "message_id": 863,
      "agent_id": 34,
      "delay": 9.879,
      "onscreen_delay": 8.632,
      "typing_delay": 1.247,
      "typing_duration": 15.002,
      "wpm": 35,
      "message": "ระหว่างบวกกับคูณอะไรสำคัญมากกว่ากัน"
    },
    {
      "message_id": 864,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 865,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 866,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 6.493,
      "typing_delay": 4.506,
      "typing_duration": 6.955,
      "wpm": 6,
      "message": "ใช่"
    },
    {
      "message_id": 867,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 5.408,
      "typing_delay": 1.59,
      "typing_duration": 12.936,
      "wpm": 32,
      "message": "คูณ จากข้อมูลข้างบนเห็นไหมคะ "
    },
    {
      "message_id": 868,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 869,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 870,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 10.353,
      "typing_delay": 0.645,
      "typing_duration": 15.001,
      "wpm": 26,
      "message": "ตอนนี้เบอร์ 3 ความสำคัญรอง"
    },
    {
      "message_id": 871,
      "agent_id": 34,
      "delay": 11,
      "onscreen_delay": 10.114,
      "typing_delay": 0.886,
      "typing_duration": 11.039,
      "wpm": 26,
      "message": "ความสำคัญน้อยสุดเลย "
    },
    {
      "message_id": 872,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 873,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 874,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.972,
      "typing_delay": 1.028,
      "typing_duration": 10.708,
      "wpm": 38,
      "message": "คูณใช่ไหมคะ อันนี้คือมากสุด"
    },
    {
      "message_id": 875,
      "agent_id": 34,
      "delay": 6.996,
      "onscreen_delay": 2.594,
      "typing_delay": 4.402,
      "typing_duration": 4.402,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 876,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 877,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 878,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 9.009,
      "typing_delay": 1.992,
      "typing_duration": 14.469,
      "wpm": 10,
      "message": "2 x 2 เป็น "
    },
    {
      "message_id": 879,
      "agent_id": 34,
      "delay": 10.467,
      "onscreen_delay": 9.795,
      "typing_delay": 0.672,
      "typing_duration": 11.534,
      "wpm": 35,
      "message": "4 4 บวกกับ 5 เป็นเท่าไหร่คะ "
    },
    {
      "message_id": 880,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 881,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 882,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.937,
      "typing_delay": 1.062,
      "typing_duration": 4.913,
      "wpm": 12,
      "message": "โอเค"
    },
    {
      "message_id": 883,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 5.9,
      "typing_delay": 1.098,
      "typing_duration": 8.429,
      "wpm": 27,
      "message": "ถ้าครูเขียนใหม่ "
    },
    {
      "message_id": 884,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 885,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 886,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 8.629,
      "typing_delay": 2.372,
      "typing_duration": 8.352,
      "wpm": 31,
      "message": "เลข 2 นะ เดี๋ยวนะ"
    },
    {
      "message_id": 887,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 1.125,
      "typing_delay": 5.873,
      "typing_duration": 5.873,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 888,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 889,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 890,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 5.975,
      "typing_delay": 5.025,
      "typing_duration": 5.025,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 891,
      "agent_id": 34,
      "delay": 6.996,
      "onscreen_delay": 4.192,
      "typing_delay": 2.804,
      "typing_duration": 10.999,
      "wpm": 15,
      "message": "โจทย์ข้อนี้ "
    },
    {
      "message_id": 892,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 893,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 894,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.052,
      "typing_delay": 1.948,
      "typing_duration": 15.001,
      "wpm": 33,
      "message": "เห็นไหม ตัวเลขตัวเดียวกันเลย สลับ"
    },
    {
      "message_id": 895,
      "agent_id": 34,
      "delay": 11,
      "onscreen_delay": 10.145,
      "typing_delay": 0.855,
      "typing_duration": 11.162,
      "wpm": 42,
      "message": "แล้วก้เครื่องหมายมีเหมือนกันเลย "
    },
    {
      "message_id": 896,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 897,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 898,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.035,
      "typing_delay": 0.964,
      "typing_duration": 13.58,
      "wpm": 21,
      "message": "5 x 2เป็น 10 10 + 2"
    },
    {
      "message_id": 899,
      "agent_id": 34,
      "delay": 9.578,
      "onscreen_delay": 8.817,
      "typing_delay": 0.761,
      "typing_duration": 4.482,
      "wpm": 23,
      "message": "เป็น 12 "
    },
    {
      "message_id": 900,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 901,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 902,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 9.327,
      "typing_delay": 1.674,
      "typing_duration": 15.002,
      "wpm": 36,
      "message": "กันก่อน คูณกันก่อนนะคะ 5 x 2 gxHo 10"
    },
    {
      "message_id": 903,
      "agent_id": 34,
      "delay": 11.001,
      "onscreen_delay": 9.719,
      "typing_delay": 1.282,
      "typing_duration": 7.561,
      "wpm": 44,
      "message": "แล้ว 10 ค่อยมาบวกกับ 2 "
    },
    {
      "message_id": 904,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 905,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 906,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.037,
      "typing_delay": 0.963,
      "typing_duration": 15.001,
      "wpm": 33,
      "message": "คิดใช่ไหม อันนี้คือเราคิด แล้วเรา"
    },
    {
      "message_id": 907,
      "agent_id": 34,
      "delay": 10.998,
      "onscreen_delay": 10.417,
      "typing_delay": 0.581,
      "typing_duration": 9.936,
      "wpm": 44,
      "message": "จะสั่งให้คอมพิวเตอร์นี่เข้าใจ "
    },
    {
      "message_id": 908,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 909,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 910,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 10.44,
      "typing_delay": 0.558,
      "typing_duration": 14.41,
      "wpm": 37,
      "message": "ต้องทำวงเล็บเปิด วงเล็บปิดกอน ตอนนี้"
    },
    {
      "message_id": 911,
      "agent_id": 34,
      "delay": 10.407,
      "onscreen_delay": 10.22,
      "typing_delay": 0.187,
      "typing_duration": 13.531,
      "wpm": 31,
      "message": "เราจะสั่งให้คอมพิวเตอร์คำนวณ "
    },
    {
      "message_id": 912,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 913,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 914,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 10.407,
      "typing_delay": 0.594,
      "typing_duration": 14.674,
      "wpm": 36,
      "message": "คำนวณนะคะ เราใช้ stack เข้ามาช่วยใน"
    },
    {
      "message_id": 915,
      "agent_id": 34,
      "delay": 10.673,
      "onscreen_delay": 10.31,
      "typing_delay": 0.363,
      "typing_duration": 4.784,
      "wpm": 25,
      "message": "การคำนวณ "
    },
    {
      "message_id": 916,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 917,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 918,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.872,
      "typing_delay": 1.127,
      "typing_duration": 14.42,
      "wpm": 34,
      "message": "ค่าออกมา เช่น ครูมีัวเลขชุดนี้ล่ะ"
    },
    {
      "message_id": 919,
      "agent_id": 34,
      "delay": 10.418,
      "onscreen_delay": 8.272,
      "typing_delay": 2.146,
      "typing_duration": 13.716,
      "wpm": 32,
      "message": "นี่ครูสั่งให้คอมพิวเตอร์คำนวณ "
    },
    {
      "message_id": 920,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 921,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 922,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.929,
      "typing_delay": 1.071,
      "typing_duration": 14.455,
      "wpm": 40,
      "message": "เราต้องสร้างตารางแบบรชนี้ก่อน มี 3 ช่อง"
    },
    {
      "message_id": 923,
      "agent_id": 34,
      "delay": 10.453,
      "onscreen_delay": 9.614,
      "typing_delay": 0.839,
      "typing_duration": 15.001,
      "wpm": 34,
      "message": "ช่องแรกครูใส่ In put ก็คือข้อมูลนำ"
    },
    {
      "message_id": 924,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 925,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 926,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.744,
      "typing_delay": 1.254,
      "typing_duration": 14.317,
      "wpm": 29,
      "message": "2 ช่วงด้วยกัน ช่องที่ 1 ต้อง"
    },
    {
      "message_id": 927,
      "agent_id": 34,
      "delay": 10.315,
      "onscreen_delay": 9.981,
      "typing_delay": 0.334,
      "typing_duration": 15,
      "wpm": 28,
      "message": "แปรงนิพจน์ให้เป็นแบบ Postfix"
    },
    {
      "message_id": 928,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 929,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 930,
      "agent_id": 33,
      "delay": 10.997,
      "onscreen_delay": 10.545,
      "typing_delay": 0.452,
      "typing_duration": 15.001,
      "wpm": 35,
      "message": "นะคะแล้วค่อยคำนวณออกมาเป็นตัวเลขผลล"
    },
    {
      "message_id": 931,
      "agent_id": 34,
      "delay": 10.997,
      "onscreen_delay": 8.166,
      "typing_delay": 2.831,
      "typing_duration": 10.142,
      "wpm": 21,
      "message": "เรามี 3 ช่องนะ "
    },
    {
      "message_id": 932,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 933,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 934,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.458,
      "typing_delay": 0.542,
      "typing_duration": 7.298,
      "wpm": 21,
      "message": "นะคะ ถัดมา"
    },
    {
      "message_id": 935,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 5.806,
      "typing_delay": 1.192,
      "typing_duration": 10.763,
      "wpm": 25,
      "message": "ขั้นตอนวิธีการแปรง "
    },
    {
      "message_id": 936,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 937,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 938,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.199,
      "typing_delay": 0.801,
      "typing_duration": 12.201,
      "wpm": 34,
      "message": "สไลด์นะคะ ครุ print ออกมาให้"
    },
    {
      "message_id": 939,
      "agent_id": 34,
      "delay": 8.199,
      "onscreen_delay": 5.135,
      "typing_delay": 3.064,
      "typing_duration": 10.135,
      "wpm": 38,
      "message": "เรามีอยุ่ทั้งหมด 7 ขั้นตอน "
    },
    {
      "message_id": 940,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 941,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 942,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.075,
      "typing_delay": 0.924,
      "typing_duration": 13.484,
      "wpm": 36,
      "message": "2 นาทีอ่าน 7 ขั้นตอนนี้ ในกระดาษ"
    },
    {
      "message_id": 943,
      "agent_id": 34,
      "delay": 9.481,
      "onscreen_delay": 9.233,
      "typing_delay": 0.248,
      "typing_duration": 11.774,
      "wpm": 37,
      "message": "ของตัวเองสิคะ ให้อ่านในกระดาษ "
    },
    {
      "message_id": 944,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 945,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 946,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 947,
      "agent_id": 34,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 948,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 949,
      "agent_id": 3,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 950,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 951,
      "agent_id": 34,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 952,
      "agent_id": 2,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 953,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 954,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 955,
      "agent_id": 34,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 956,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 957,
      "agent_id": 3,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 958,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 959,
      "agent_id": 34,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 960,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 961,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 962,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 963,
      "agent_id": 34,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 964,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 965,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 966,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 967,
      "agent_id": 34,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 968,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 969,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 970,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 971,
      "agent_id": 34,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 972,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 973,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 974,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.097,
      "typing_delay": 1.902,
      "typing_duration": 14.071,
      "wpm": 34,
      "message": "มาดูพร้อมกัน เรามีทั้งหมด 7 ขั้น"
    },
    {
      "message_id": 975,
      "agent_id": 34,
      "delay": 10.069,
      "onscreen_delay": 9.346,
      "typing_delay": 0.723,
      "typing_duration": 9.491,
      "wpm": 46,
      "message": "ตอนนะคะ เดี๋ยวเราจะลองฝึกนะคะ "
    },
    {
      "message_id": 976,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 977,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 978,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.365,
      "typing_delay": 0.635,
      "typing_duration": 14.065,
      "wpm": 22,
      "message": "ให้สแต็กว่าง ก็คือวาด"
    },
    {
      "message_id": 979,
      "agent_id": 34,
      "delay": 10.063,
      "onscreen_delay": 9.11,
      "typing_delay": 0.953,
      "typing_duration": 9.151,
      "wpm": 46,
      "message": "ตาราง 3 ช่องนี้ อันดับแรกวาด "
    },
    {
      "message_id": 980,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 981,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 982,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.085,
      "typing_delay": 0.914,
      "typing_duration": 13.545,
      "wpm": 30,
      "message": "นะคะ 3 ช่อง อันนี้คือ stack "
    },
    {
      "message_id": 983,
      "agent_id": 34,
      "delay": 9.544,
      "onscreen_delay": 8.896,
      "typing_delay": 0.648,
      "typing_duration": 6.626,
      "wpm": 32,
      "message": "ว่าง อันดับแรก "
    },
    {
      "message_id": 984,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 985,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 986,
      "agent_id": 33,
      "delay": 10.997,
      "onscreen_delay": 9.862,
      "typing_delay": 1.135,
      "typing_duration": 15,
      "wpm": 33,
      "message": "ใช่ไหมคะ อ่านเลข 5 เครื่องหมายบวก"
    },
    {
      "message_id": 987,
      "agent_id": 34,
      "delay": 10.998,
      "onscreen_delay": 10.066,
      "typing_delay": 0.932,
      "typing_duration": 8.282,
      "wpm": 27,
      "message": "เครื่องหมาย คูณ "
    },
    {
      "message_id": 988,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 989,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 990,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.219,
      "typing_delay": 0.781,
      "typing_duration": 8.244,
      "wpm": 29,
      "message": "ครุใช้ตัวเลขนะคะ"
    },
    {
      "message_id": 991,
      "agent_id": 34,
      "delay": 6.996,
      "onscreen_delay": 6.15,
      "typing_delay": 0.846,
      "typing_duration": 4.382,
      "wpm": 24,
      "message": "เช่น... "
    },
    {
      "message_id": 992,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 993,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 994,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.976,
      "typing_delay": 1.022,
      "typing_duration": 15.002,
      "wpm": 35,
      "message": "จากซ้ายก็คือตัวเลข ก็คือเลข 5 ถัดมา"
    },
    {
      "message_id": 995,
      "agent_id": 34,
      "delay": 11.001,
      "onscreen_delay": 7.817,
      "typing_delay": 3.184,
      "typing_duration": 10.555,
      "wpm": 26,
      "message": "ถัดมาขั้นถัดมาเป็น "
    },
    {
      "message_id": 996,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 997,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 998,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.984,
      "typing_delay": 1.015,
      "typing_duration": 12.407,
      "wpm": 30,
      "message": "ตัวเลข เช่นเลข 5 ใช่ไหมคะ"
    },
    {
      "message_id": 999,
      "agent_id": 34,
      "delay": 8.405,
      "onscreen_delay": 7.3,
      "typing_delay": 1.105,
      "typing_duration": 14.26,
      "wpm": 27,
      "message": "ข้อมูลที่เราอ่านเข้ามาเป็น "
    },
    {
      "message_id": 1000,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1001,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1002,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 9.335,
      "typing_delay": 1.666,
      "typing_duration": 15,
      "wpm": 32,
      "message": "ก็คือช่องนี้ใช่ไหมคะ ช่อง Out pu"
    },
    {
      "message_id": 1003,
      "agent_id": 34,
      "delay": 10.998,
      "onscreen_delay": 6.052,
      "typing_delay": 4.946,
      "typing_duration": 6.17,
      "wpm": 12,
      "message": "ถัดมา "
    },
    {
      "message_id": 1004,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1005,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1006,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.83,
      "typing_delay": 1.169,
      "typing_duration": 15.001,
      "wpm": 41,
      "message": "เครื่องหมายทางคณิตศาสตร์อะไรสักอย่างหนึ่ง"
    },
    {
      "message_id": 1007,
      "agent_id": 34,
      "delay": 11,
      "onscreen_delay": 9.06,
      "typing_delay": 1.94,
      "typing_duration": 8.688,
      "wpm": 33,
      "message": "เช่น เครื่องหมายบวก "
    },
    {
      "message_id": 1008,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1009,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1010,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 10.28,
      "typing_delay": 0.718,
      "typing_duration": 14.83,
      "wpm": 41,
      "message": "ให้เราเช็กก่อนว่า แล้วใน stack มันมัชีค่า"
    },
    {
      "message_id": 1011,
      "agent_id": 34,
      "delay": 10.827,
      "onscreen_delay": 10.207,
      "typing_delay": 0.62,
      "typing_duration": 14.216,
      "wpm": 43,
      "message": "อยู่หรือเปล่า Stack ก็คือช่องนี้ช่องที่ 2 "
    },
    {
      "message_id": 1012,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1013,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1014,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.316,
      "typing_delay": 0.684,
      "typing_duration": 12.828,
      "wpm": 14,
      "message": "ใน stack แต่"
    },
    {
      "message_id": 1015,
      "agent_id": 34,
      "delay": 8.827,
      "onscreen_delay": 8.117,
      "typing_delay": 0.71,
      "typing_duration": 9.845,
      "wpm": 47,
      "message": "ถ้าใน Stack มันมีข้อมูลอยู่แล้ว "
    },
    {
      "message_id": 1016,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1017,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1018,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.169,
      "typing_delay": 0.831,
      "typing_duration": 8.624,
      "wpm": 33,
      "message": "นี่ มันมีค่ามากกว่า "
    },
    {
      "message_id": 1019,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 6.339,
      "typing_delay": 0.658,
      "typing_duration": 10.832,
      "wpm": 42,
      "message": "หรือน้อยกว่าตัวที่อยู่ใน Stack "
    },
    {
      "message_id": 1020,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1021,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1022,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.375,
      "typing_delay": 0.624,
      "typing_duration": 10.671,
      "wpm": 44,
      "message": "ตัวที่เราอ่านนี่มีค่ามากกว่า ก็"
    },
    {
      "message_id": 1023,
      "agent_id": 34,
      "delay": 6.996,
      "onscreen_delay": 6.363,
      "typing_delay": 0.633,
      "typing_duration": 10.144,
      "wpm": 35,
      "message": "หย่อนลงมาใน Stack ได้เลย "
    },
    {
      "message_id": 1024,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1025,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1026,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 5.55,
      "typing_delay": 5.45,
      "typing_duration": 7.818,
      "wpm": 6,
      "message": "ให้"
    },
    {
      "message_id": 1027,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 6.321,
      "typing_delay": 0.677,
      "typing_duration": 8.901,
      "wpm": 37,
      "message": "เอาเครื่องหมายใน Stack "
    },
    {
      "message_id": 1028,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1029,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1030,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 8.825,
      "typing_delay": 2.173,
      "typing_duration": 4.185,
      "wpm": 14,
      "message": "โอเค"
    },
    {
      "message_id": 1031,
      "agent_id": 34,
      "delay": 6.994,
      "onscreen_delay": 4.233,
      "typing_delay": 2.761,
      "typing_duration": 7.124,
      "wpm": 32,
      "message": "ถ้าเราอ่านจนครบ "
    },
    {
      "message_id": 1032,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1033,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1034,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 10.189,
      "typing_delay": 0.809,
      "typing_duration": 13.527,
      "wpm": 38,
      "message": "ก็คือ pop มันออกมานะคะ เป็นผลลัพธ์"
    },
    {
      "message_id": 1035,
      "agent_id": 34,
      "delay": 9.524,
      "onscreen_delay": 5.873,
      "typing_delay": 3.651,
      "typing_duration": 10.817,
      "wpm": 19,
      "message": "มาดูตัวอย่างนะ "
    },
    {
      "message_id": 1036,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1037,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1038,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 6.6,
      "typing_delay": 4.4,
      "typing_duration": 4.4,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1039,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 2.55,
      "typing_delay": 4.448,
      "typing_duration": 4.448,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1040,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1041,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1042,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 8.559,
      "typing_delay": 2.439,
      "typing_duration": 12.267,
      "wpm": 17,
      "message": "โจทย์ที่ครูให้ "
    },
    {
      "message_id": 1043,
      "agent_id": 34,
      "delay": 8.264,
      "onscreen_delay": 7.242,
      "typing_delay": 1.022,
      "typing_duration": 5.815,
      "wpm": 18,
      "message": "ทุกคนดู "
    },
    {
      "message_id": 1044,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1045,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1046,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 8.861,
      "typing_delay": 2.137,
      "typing_duration": 13.349,
      "wpm": 34,
      "message": "อันดับแรกครูต้องทำอะไร ครูต้อง"
    },
    {
      "message_id": 1047,
      "agent_id": 34,
      "delay": 9.347,
      "onscreen_delay": 9.004,
      "typing_delay": 0.343,
      "typing_duration": 10.537,
      "wpm": 37,
      "message": "วาดตาราง อันดับแรกวาดตาราง "
    },
    {
      "message_id": 1048,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1049,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1050,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 10.376,
      "typing_delay": 0.622,
      "typing_duration": 13.606,
      "wpm": 40,
      "message": "ตัวเลขกับเครื่องหมาย มาใส่ทีละบรรทัด"
    },
    {
      "message_id": 1051,
      "agent_id": 34,
      "delay": 9.604,
      "onscreen_delay": 7.423,
      "typing_delay": 2.181,
      "typing_duration": 11.624,
      "wpm": 18,
      "message": "ถ้าบรรทัดที่ 1 "
    },
    {
      "message_id": 1052,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1053,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1054,
      "agent_id": 33,
      "delay": 10.996,
      "onscreen_delay": 9.07,
      "typing_delay": 1.926,
      "typing_duration": 13.006,
      "wpm": 33,
      "message": "แล้วก็จะวาดตารางเรียบร้อยแล้ว"
    },
    {
      "message_id": 1055,
      "agent_id": 34,
      "delay": 9.005,
      "onscreen_delay": 8.61,
      "typing_delay": 0.395,
      "typing_duration": 15.001,
      "wpm": 21,
      "message": "นะคะ จำนวณแถวขึ้นอยู้ "
    },
    {
      "message_id": 1056,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1057,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1058,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.06,
      "typing_delay": 0.94,
      "typing_duration": 4.346,
      "wpm": 21,
      "message": "ให้เลย "
    },
    {
      "message_id": 1059,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 4.099,
      "typing_delay": 2.899,
      "typing_duration": 9.973,
      "wpm": 35,
      "message": "เรากำหนด Stack ว่างแล้ว"
    },
    {
      "message_id": 1060,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1061,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1062,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.504,
      "typing_delay": 0.496,
      "typing_duration": 12.453,
      "wpm": 23,
      "message": "ทีละตัวจากซ้ายไปขวา "
    },
    {
      "message_id": 1063,
      "agent_id": 34,
      "delay": 8.451,
      "onscreen_delay": 6.455,
      "typing_delay": 1.996,
      "typing_duration": 10.857,
      "wpm": 23,
      "message": "ตัวแรกคืออะไรคะ 5 "
    },
    {
      "message_id": 1064,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1065,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1066,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.353,
      "typing_delay": 0.646,
      "typing_duration": 11.984,
      "wpm": 36,
      "message": "ที่เราอ่านจากซ้ายไปขวา ตัวแรก"
    },
    {
      "message_id": 1067,
      "agent_id": 34,
      "delay": 7.98,
      "onscreen_delay": 6.607,
      "typing_delay": 1.373,
      "typing_duration": 6.563,
      "wpm": 41,
      "message": "เป็นตัวเลขใช่ไหมคะ "
    },
    {
      "message_id": 1068,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1069,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1070,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.209,
      "typing_delay": 1.789,
      "typing_duration": 14.69,
      "wpm": 32,
      "message": "ถ้าเป็นตัวเลข ให้เอาไปไว้ที่ไหน "
    },
    {
      "message_id": 1071,
      "agent_id": 34,
      "delay": 10.686,
      "onscreen_delay": 9.296,
      "typing_delay": 1.39,
      "typing_duration": 10.549,
      "wpm": 26,
      "message": "เอาไปไว้ที่ผลลัพธ์ "
    },
    {
      "message_id": 1072,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1073,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1074,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 8.957,
      "typing_delay": 2.043,
      "typing_duration": 11.852,
      "wpm": 33,
      "message": "ถัดมาเจอเครื่องหมายบวกนะคะ "
    },
    {
      "message_id": 1075,
      "agent_id": 34,
      "delay": 7.85,
      "onscreen_delay": 6.676,
      "typing_delay": 1.174,
      "typing_duration": 7.503,
      "wpm": 34,
      "message": "เจอเครื่องหมายบวก "
    },
    {
      "message_id": 1076,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1077,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1078,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.207,
      "typing_delay": 0.792,
      "typing_duration": 12.766,
      "wpm": 43,
      "message": "ใส่ได้เลย ใส่เครือ่งหมายบวกลงมาได้เลย"
    },
    {
      "message_id": 1079,
      "agent_id": 34,
      "delay": 8.764,
      "onscreen_delay": 7.26,
      "typing_delay": 1.504,
      "typing_duration": 14.067,
      "wpm": 32,
      "message": "ถ้ามันเป็น Stack ว่างตัวบนเป็ฯ "
    },
    {
      "message_id": 1080,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1081,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1082,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.936,
      "typing_delay": 1.062,
      "typing_duration": 11.687,
      "wpm": 27,
      "message": "ยก 5 ลงมาเหมือนเดิมนะ"
    },
    {
      "message_id": 1083,
      "agent_id": 34,
      "delay": 7.686,
      "onscreen_delay": 5.179,
      "typing_delay": 2.507,
      "typing_duration": 10.924,
      "wpm": 36,
      "message": "ดู ๆ พร้อมครูก่อนเดี๋ยวครู "
    },
    {
      "message_id": 1084,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1085,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1086,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.757,
      "typing_delay": 1.241,
      "typing_duration": 9.881,
      "wpm": 30,
      "message": "ถัดมา เลข 2 ใช่ไหมคะ "
    },
    {
      "message_id": 1087,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 6.121,
      "typing_delay": 0.876,
      "typing_duration": 8.666,
      "wpm": 52,
      "message": "เลข 2 มันเป็นอะไรมันเป็นตัวเลข "
    },
    {
      "message_id": 1088,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1089,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1090,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.306,
      "typing_delay": 0.694,
      "typing_duration": 8.139,
      "wpm": 31,
      "message": "ในขั้นตอนนะ เอา 2 "
    },
    {
      "message_id": 1091,
      "agent_id": 34,
      "delay": 6.996,
      "onscreen_delay": 6.459,
      "typing_delay": 0.537,
      "typing_duration": 11.303,
      "wpm": 42,
      "message": "มาไว้ที่ Output แต่ต้องเขียนหลัง "
    },
    {
      "message_id": 1092,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1093,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1094,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 5.024,
      "typing_delay": 5.974,
      "typing_duration": 5.974,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1095,
      "agent_id": 34,
      "delay": 6.995,
      "onscreen_delay": 3.719,
      "typing_delay": 3.276,
      "typing_duration": 12.645,
      "wpm": 37,
      "message": "ถัดมายกเครื่องหมาย + ลงมาด้วยนะ "
    },
    {
      "message_id": 1096,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1097,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1098,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.248,
      "typing_delay": 0.751,
      "typing_duration": 7.316,
      "wpm": 31,
      "message": "เข้าเพิ่ม ถัดมา"
    },
    {
      "message_id": 1099,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 5.626,
      "typing_delay": 1.372,
      "typing_duration": 7.596,
      "wpm": 36,
      "message": "เป็นเครื่องหมายคูณ "
    },
    {
      "message_id": 1100,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1101,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1102,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.127,
      "typing_delay": 0.872,
      "typing_duration": 14.19,
      "wpm": 37,
      "message": "บวกอยู่แล้ว ตัวที่เราอ่านเข้ามา คือ"
    },
    {
      "message_id": 1103,
      "agent_id": 34,
      "delay": 10.186,
      "onscreen_delay": 9.442,
      "typing_delay": 0.744,
      "typing_duration": 5.367,
      "wpm": 25,
      "message": "คูณ เราจะ "
    },
    {
      "message_id": 1104,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1105,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1106,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.513,
      "typing_delay": 0.487,
      "typing_duration": 15.001,
      "wpm": 32,
      "message": "กับตัวเดิมที่อยู่ใน stack คือบวก"
    },
    {
      "message_id": 1107,
      "agent_id": 34,
      "delay": 10.999,
      "onscreen_delay": 10.257,
      "typing_delay": 0.742,
      "typing_duration": 15.001,
      "wpm": 41,
      "message": "เราเปรียบเทียบกับตัวบนสุดคือเครื่องหมาย + "
    },
    {
      "message_id": 1108,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1109,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1110,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.345,
      "typing_delay": 0.654,
      "typing_duration": 12.621,
      "wpm": 30,
      "message": "บวก ให้ทำอย่างไร ก็เอาคูณ"
    },
    {
      "message_id": 1111,
      "agent_id": 34,
      "delay": 8.62,
      "onscreen_delay": 7.33,
      "typing_delay": 1.29,
      "typing_duration": 4.796,
      "wpm": 47,
      "message": "หย่อนลงมาได้เลย "
    },
    {
      "message_id": 1112,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1113,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1114,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 10.406,
      "typing_delay": 0.592,
      "typing_duration": 15,
      "wpm": 38,
      "message": "ตัวถัดมาคือเลข 2  เลข 2 มันเป็นตัวเลขฃ"
    },
    {
      "message_id": 1115,
      "agent_id": 34,
      "delay": 10.997,
      "onscreen_delay": 10.266,
      "typing_delay": 0.731,
      "typing_duration": 8.27,
      "wpm": 44,
      "message": "ใช่ไหมเอามาไว้ที่ผลลัพธ์ "
    },
    {
      "message_id": 1116,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1117,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1118,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.079,
      "typing_delay": 0.92,
      "typing_duration": 14.357,
      "wpm": 38,
      "message": "ข้อมูลมันหมดแล้วน่ะ ข้อมูลมันหมดแล้ว"
    },
    {
      "message_id": 1119,
      "agent_id": 34,
      "delay": 10.355,
      "onscreen_delay": 9.403,
      "typing_delay": 0.952,
      "typing_duration": 15.002,
      "wpm": 26,
      "message": "แต่สื่งที่เราเจอคืออะไร ใน "
    },
    {
      "message_id": 1120,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1121,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1122,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 8.832,
      "typing_delay": 2.169,
      "typing_duration": 15.001,
      "wpm": 39,
      "message": "เราเอาอะไรออกมาก่อนคะ ตัวแรกสุด ตัวล่าส"
    },
    {
      "message_id": 1123,
      "agent_id": 34,
      "delay": 11,
      "onscreen_delay": 10.04,
      "typing_delay": 0.96,
      "typing_duration": 11.403,
      "wpm": 22,
      "message": "คือ คูณ เอา คูณมา "
    },
    {
      "message_id": 1124,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1125,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1126,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 10.365,
      "typing_delay": 0.633,
      "typing_duration": 12.428,
      "wpm": 34,
      "message": "เอาบวกออกมา อันนี้คือผลลัพธ์"
    },
    {
      "message_id": 1127,
      "agent_id": 34,
      "delay": 8.427,
      "onscreen_delay": 7.351,
      "typing_delay": 1.076,
      "typing_duration": 7.707,
      "wpm": 35,
      "message": "ล่า ผลลัพธ์สุดท้าย "
    },
    {
      "message_id": 1128,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1129,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1130,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 4.961,
      "typing_delay": 6.039,
      "typing_duration": 6.039,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1131,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 5.941,
      "typing_delay": 1.056,
      "typing_duration": 10.94,
      "wpm": 41,
      "message": "ได้ไหมคะ เดี๋ยวเรามาทำพร้อมกัน "
    },
    {
      "message_id": 1132,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1133,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1134,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1135,
      "agent_id": 34,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1136,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1137,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1138,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.509,
      "typing_delay": 1.489,
      "typing_duration": 9.31,
      "wpm": 16,
      "message": "3 + 5  x 1"
    },
    {
      "message_id": 1139,
      "agent_id": 34,
      "delay": 6.996,
      "onscreen_delay": 3.008,
      "typing_delay": 3.988,
      "typing_duration": 3.988,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1140,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1141,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1142,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 10.372,
      "typing_delay": 0.626,
      "typing_duration": 15,
      "wpm": 26,
      "message": "ใช่ไหมคะ 3 + 5 x 1 ผลลัพธ์"
    },
    {
      "message_id": 1143,
      "agent_id": 34,
      "delay": 10.997,
      "onscreen_delay": 7.066,
      "typing_delay": 3.931,
      "typing_duration": 7.201,
      "wpm": 21,
      "message": "ตอบเท่ากับ "
    },
    {
      "message_id": 1144,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1145,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1146,
      "agent_id": 33,
      "delay": 10.993,
      "onscreen_delay": 9.988,
      "typing_delay": 1.005,
      "typing_duration": 10.131,
      "wpm": 25,
      "message": "8 ข้างหลังตอบอะไร"
    },
    {
      "message_id": 1147,
      "agent_id": 34,
      "delay": 6.99,
      "onscreen_delay": 2.789,
      "typing_delay": 4.201,
      "typing_duration": 10.653,
      "wpm": 20,
      "message": "ได้เท่ากับอะไร "
    },
    {
      "message_id": 1148,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1149,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1150,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.138,
      "typing_delay": 0.861,
      "typing_duration": 11.42,
      "wpm": 38,
      "message": "1 ก่อนได้เท่าไหร่ค่อยบวกกับ 3 "
    },
    {
      "message_id": 1151,
      "agent_id": 34,
      "delay": 7.417,
      "onscreen_delay": 3.658,
      "typing_delay": 3.759,
      "typing_duration": 10.552,
      "wpm": 14,
      "message": "5 1 เป็น 5 "
    },
    {
      "message_id": 1152,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1153,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1154,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.995,
      "typing_delay": 1.005,
      "typing_duration": 15,
      "wpm": 27,
      "message": "ทำ มาแปลงนิพจน์กัน แล้สเราจ"
    },
    {
      "message_id": 1155,
      "agent_id": 34,
      "delay": 10.998,
      "onscreen_delay": 9.901,
      "typing_delay": 1.097,
      "typing_duration": 7.036,
      "wpm": 53,
      "message": "ค่าว่ามันได้ 8 ได้อย่างไร "
    },
    {
      "message_id": 1156,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1157,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1158,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.969,
      "typing_delay": 1.029,
      "typing_duration": 15,
      "wpm": 34,
      "message": "อันดับแรก วาดstack ว่าง ครูบอกว่าต"
    },
    {
      "message_id": 1159,
      "agent_id": 34,
      "delay": 10.999,
      "onscreen_delay": 9.837,
      "typing_delay": 1.162,
      "typing_duration": 11.344,
      "wpm": 12,
      "message": "3 คอลัมน์ "
    },
    {
      "message_id": 1160,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1161,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1162,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1163,
      "agent_id": 34,
      "delay": 11.001,
      "onscreen_delay": 9.964,
      "typing_delay": 1.037,
      "typing_duration": 8.088,
      "wpm": 28,
      "message": "ครูมี 3 คอลัมน์ "
    },
    {
      "message_id": 1164,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1165,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1166,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.212,
      "typing_delay": 0.787,
      "typing_duration": 14.057,
      "wpm": 34,
      "message": "ครูวาดตารางเลย โดยเอาข้อมูลมาใส่"
    },
    {
      "message_id": 1167,
      "agent_id": 34,
      "delay": 10.055,
      "onscreen_delay": 9.503,
      "typing_delay": 0.552,
      "typing_duration": 6.584,
      "wpm": 46,
      "message": "ในแต่ละแถวเลยครูอ่าน "
    },
    {
      "message_id": 1168,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1169,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1170,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.471,
      "typing_delay": 0.529,
      "typing_duration": 15,
      "wpm": 30,
      "message": "บวก เลข 5 นะคะ  เครื่องหมายคูณ "
    },
    {
      "message_id": 1171,
      "agent_id": 34,
      "delay": 10.998,
      "onscreen_delay": 10.462,
      "typing_delay": 0.536,
      "typing_duration": 14.338,
      "wpm": 26,
      "message": "เครื่องหมาย x แล้วก็เลข 1 "
    },
    {
      "message_id": 1172,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1173,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1174,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1175,
      "agent_id": 34,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1176,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1177,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1178,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.146,
      "typing_delay": 0.854,
      "typing_duration": 12.899,
      "wpm": 29,
      "message": "แบบนี้ก่อนนะคะ คอลัมป์แรก "
    },
    {
      "message_id": 1179,
      "agent_id": 34,
      "delay": 8.897,
      "onscreen_delay": 7.538,
      "typing_delay": 1.359,
      "typing_duration": 8.83,
      "wpm": 34,
      "message": "หรือช่องแรกเอาตัวเลข "
    },
    {
      "message_id": 1180,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1181,
      "agent_id": 3,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1182,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 6.556,
      "typing_delay": 4.445,
      "typing_duration": 4.445,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1183,
      "agent_id": 34,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1184,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1185,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1186,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1187,
      "agent_id": 34,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1188,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1189,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1190,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1191,
      "agent_id": 34,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1192,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1193,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1194,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1195,
      "agent_id": 34,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1196,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1197,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1198,
      "agent_id": 33,
      "delay": 13.036,
      "onscreen_delay": 0,
      "typing_delay": 13.036,
      "typing_duration": 13.036,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1199,
      "agent_id": 34,
      "delay": 9.034,
      "onscreen_delay": 4.911,
      "typing_delay": 4.123,
      "typing_duration": 4.123,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1200,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1201,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1202,
      "agent_id": 33,
      "delay": 10.997,
      "onscreen_delay": 9.74,
      "typing_delay": 1.257,
      "typing_duration": 13.663,
      "wpm": 31,
      "message": "เริ่มต้นตัวแรกใช่ไหมคะ ทุกคน"
    },
    {
      "message_id": 1203,
      "agent_id": 34,
      "delay": 9.658,
      "onscreen_delay": 9.394,
      "typing_delay": 0.264,
      "typing_duration": 13.955,
      "wpm": 29,
      "message": "เริ่มต้นตัวแรกมันเป็นตัวเลข "
    },
    {
      "message_id": 1204,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1205,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1206,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.189,
      "typing_delay": 0.81,
      "typing_duration": 4.042,
      "wpm": 26,
      "message": "ถูกต้อง"
    },
    {
      "message_id": 1207,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 4.126,
      "typing_delay": 2.872,
      "typing_duration": 10.425,
      "wpm": 32,
      "message": "ถัดมาเป็นเครื่องหมาย + "
    },
    {
      "message_id": 1208,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1209,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1210,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.189,
      "typing_delay": 0.811,
      "typing_duration": 15.001,
      "wpm": 24,
      "message": "ใส่นี้ได้เลยไหม ได้ ถ้าเ"
    },
    {
      "message_id": 1211,
      "agent_id": 34,
      "delay": 10.998,
      "onscreen_delay": 10.79,
      "typing_delay": 0.208,
      "typing_duration": 13.922,
      "wpm": 28,
      "message": "เครื่องหมายเอาลงที่  Stack"
    },
    {
      "message_id": 1212,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1213,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1214,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 9.442,
      "typing_delay": 1.559,
      "typing_duration": 15.002,
      "wpm": 33,
      "message": "3 ยกลงมาเหมือนเดิมนะคะ ตรง Output"
    },
    {
      "message_id": 1215,
      "agent_id": 34,
      "delay": 11.001,
      "onscreen_delay": 9.875,
      "typing_delay": 1.126,
      "typing_duration": 7.856,
      "wpm": 36,
      "message": "ยก 3 ลงมาเหมือนเดิม "
    },
    {
      "message_id": 1216,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1217,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1218,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.127,
      "typing_delay": 0.872,
      "typing_duration": 9.943,
      "wpm": 42,
      "message": "เลข 5 เป็นตัวเลขเอาไว้ที่ไหน"
    },
    {
      "message_id": 1219,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 6.103,
      "typing_delay": 0.894,
      "typing_duration": 12.295,
      "wpm": 16,
      "message": "เอาไว้ Output "
    },
    {
      "message_id": 1220,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1221,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1222,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.77,
      "typing_delay": 1.229,
      "typing_duration": 7.805,
      "wpm": 38,
      "message": "นะคะ อันนี้ยกลงมาไหม "
    },
    {
      "message_id": 1223,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 6.255,
      "typing_delay": 0.742,
      "typing_duration": 11.606,
      "wpm": 34,
      "message": "เครื่องหมาย + ยกลงมาด้วยนะ "
    },
    {
      "message_id": 1224,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1225,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1226,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 6.379,
      "typing_delay": 4.62,
      "typing_duration": 4.62,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1227,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 5.084,
      "typing_delay": 1.913,
      "typing_duration": 10.812,
      "wpm": 35,
      "message": "เสร็จแล้วถัดมาเครื่องหมาย "
    },
    {
      "message_id": 1228,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1229,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1230,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.749,
      "typing_delay": 1.25,
      "typing_duration": 12.472,
      "wpm": 36,
      "message": "ใช่ไหม คูณกับบวกอะไรมากกว่ากัน"
    },
    {
      "message_id": 1231,
      "agent_id": 34,
      "delay": 8.469,
      "onscreen_delay": 7.388,
      "typing_delay": 1.081,
      "typing_duration": 14.158,
      "wpm": 16,
      "message": "คูณ เพราะฉะนั้น "
    },
    {
      "message_id": 1232,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1233,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1234,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.255,
      "typing_delay": 0.745,
      "typing_duration": 13.217,
      "wpm": 33,
      "message": "คูณ อันนี้ยกลงมาเหมือนเดิมไหม "
    },
    {
      "message_id": 1235,
      "agent_id": 34,
      "delay": 9.216,
      "onscreen_delay": 8.051,
      "typing_delay": 1.165,
      "typing_duration": 12.393,
      "wpm": 19,
      "message": "ยกลงมาเหมือนเดิม "
    },
    {
      "message_id": 1236,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1237,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1238,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.881,
      "typing_delay": 1.117,
      "typing_duration": 15.001,
      "wpm": 33,
      "message": "Output แต่มีของเดิมอยู่แล่วใช่ไหม"
    },
    {
      "message_id": 1239,
      "agent_id": 34,
      "delay": 11,
      "onscreen_delay": 10.383,
      "typing_delay": 0.617,
      "typing_duration": 5.382,
      "wpm": 22,
      "message": "ใส่เลข 1 "
    },
    {
      "message_id": 1240,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1241,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1242,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.009,
      "typing_delay": 0.991,
      "typing_duration": 10.623,
      "wpm": 44,
      "message": "ออกมา เครื่องหมายนะคะ บวกกับคูณ"
    },
    {
      "message_id": 1243,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 1.053,
      "typing_delay": 5.945,
      "typing_duration": 5.945,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1244,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1245,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1246,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.333,
      "typing_delay": 0.667,
      "typing_duration": 13.193,
      "wpm": 28,
      "message": "ตอนนี้ข้อมูลหมดแล้วใช่ไหม "
    },
    {
      "message_id": 1247,
      "agent_id": 34,
      "delay": 9.191,
      "onscreen_delay": 7.862,
      "typing_delay": 1.329,
      "typing_duration": 8.164,
      "wpm": 33,
      "message": "ใน Stack ยังมีอยู่ "
    },
    {
      "message_id": 1248,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1249,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1250,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.429,
      "typing_delay": 0.57,
      "typing_duration": 14.427,
      "wpm": 33,
      "message": "เอาอะไรออกมาก่อน คูณ แล้วตามด้วย"
    },
    {
      "message_id": 1251,
      "agent_id": 34,
      "delay": 10.422,
      "onscreen_delay": 8.788,
      "typing_delay": 1.634,
      "typing_duration": 11.624,
      "wpm": 28,
      "message": "บวก เอาตัวแรกออกมาก่อร "
    },
    {
      "message_id": 1252,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1253,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1254,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1255,
      "agent_id": 34,
      "delay": 11,
      "onscreen_delay": 6.844,
      "typing_delay": 4.156,
      "typing_duration": 4.156,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1256,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1257,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1258,
      "agent_id": 33,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1259,
      "agent_id": 34,
      "delay": 11.003,
      "onscreen_delay": 5.502,
      "typing_delay": 5.501,
      "typing_duration": 5.501,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1260,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1261,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1262,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 7.005,
      "typing_delay": 3.994,
      "typing_duration": 5.519,
      "wpm": 14,
      "message": "ถัดมา"
    },
    {
      "message_id": 1263,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 4.954,
      "typing_delay": 2.043,
      "typing_duration": 8.677,
      "wpm": 24,
      "message": "เสร็จหรือยังคะ "
    },
    {
      "message_id": 1264,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1265,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1266,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 2.573,
      "typing_delay": 8.427,
      "typing_duration": 8.427,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1267,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 2.381,
      "typing_delay": 4.616,
      "typing_duration": 5.604,
      "wpm": 11,
      "message": "โอเค "
    },
    {
      "message_id": 1268,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1269,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1270,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 8.855,
      "typing_delay": 2.144,
      "typing_duration": 15.001,
      "wpm": 22,
      "message": "Stack พอได้ค่าผลลัพธ์แ"
    },
    {
      "message_id": 1271,
      "agent_id": 34,
      "delay": 10.996,
      "onscreen_delay": 10.047,
      "typing_delay": 0.949,
      "typing_duration": 11.585,
      "wpm": 28,
      "message": "แล้วนี่คือตัวนี้ 3 5 1 "
    },
    {
      "message_id": 1272,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1273,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1274,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.365,
      "typing_delay": 0.634,
      "typing_duration": 4.981,
      "wpm": 15,
      "message": "ออกมา"
    },
    {
      "message_id": 1275,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 2.032,
      "typing_delay": 4.966,
      "typing_duration": 4.966,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1276,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1277,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1278,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 10.514,
      "typing_delay": 0.484,
      "typing_duration": 13.243,
      "wpm": 34,
      "message": "+ถ้าเป็นตัวเลขจะ Push ลง Stack"
    },
    {
      "message_id": 1279,
      "agent_id": 34,
      "delay": 9.241,
      "onscreen_delay": 7.391,
      "typing_delay": 1.85,
      "typing_duration": 12.225,
      "wpm": 42,
      "message": "อันนี้อีกอันหนึ่งนะอีกขั้นตอนหนึ่ง "
    },
    {
      "message_id": 1280,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1281,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1282,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.523,
      "typing_delay": 0.477,
      "typing_duration": 9.331,
      "wpm": 27,
      "message": "เลข 3 เราเอาใส่ใน"
    },
    {
      "message_id": 1283,
      "agent_id": 34,
      "delay": 6.999,
      "onscreen_delay": 3.487,
      "typing_delay": 3.512,
      "typing_duration": 7.445,
      "wpm": 36,
      "message": "Stack ดูพร้อมกันนะ "
    },
    {
      "message_id": 1284,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1285,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1286,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.206,
      "typing_delay": 0.793,
      "typing_duration": 9.549,
      "wpm": 25,
      "message": "เลข 5 ก็เอาเลข 5 "
    },
    {
      "message_id": 1287,
      "agent_id": 34,
      "delay": 6.994,
      "onscreen_delay": 4.598,
      "typing_delay": 2.396,
      "typing_duration": 9.486,
      "wpm": 36,
      "message": "Push ลง Stack เหมือนกัน "
    },
    {
      "message_id": 1288,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1289,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1290,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.736,
      "typing_delay": 1.263,
      "typing_duration": 13.082,
      "wpm": 34,
      "message": "ก็เอาเลข 1 Push ลง stackเหมือน"
    },
    {
      "message_id": 1291,
      "agent_id": 34,
      "delay": 9.077,
      "onscreen_delay": 8.486,
      "typing_delay": 0.591,
      "typing_duration": 3.985,
      "wpm": 11,
      "message": "กัน "
    },
    {
      "message_id": 1292,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1293,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1294,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.612,
      "typing_delay": 1.387,
      "typing_duration": 10.952,
      "wpm": 36,
      "message": "ถัดมา เราเจอเครื่องหมายคูณ"
    },
    {
      "message_id": 1295,
      "agent_id": 34,
      "delay": 6.996,
      "onscreen_delay": 4.271,
      "typing_delay": 2.725,
      "typing_duration": 11.294,
      "wpm": 28,
      "message": "ให้ Pop ค่าบนสุดออกมา "
    },
    {
      "message_id": 1296,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1297,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1298,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 10.452,
      "typing_delay": 0.549,
      "typing_duration": 15.001,
      "wpm": 45,
      "message": "จากนั้นใส่เครื่องหมาย ถ้ามันเป็นเครื่องหมายนะ"
    },
    {
      "message_id": 1299,
      "agent_id": 34,
      "delay": 10.999,
      "onscreen_delay": 10.206,
      "typing_delay": 0.793,
      "typing_duration": 7.445,
      "wpm": 36,
      "message": "ตัวที่เราอ่านออกมา "
    },
    {
      "message_id": 1300,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1301,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1302,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 10.332,
      "typing_delay": 0.669,
      "typing_duration": 15.001,
      "wpm": 45,
      "message": "นะคะ เอาตัวบนสุดออกมา แล้วใส่เครื่องหมายออกมา"
    },
    {
      "message_id": 1303,
      "agent_id": 34,
      "delay": 10.996,
      "onscreen_delay": 9.93,
      "typing_delay": 1.066,
      "typing_duration": 6.183,
      "wpm": 51,
      "message": "ที่เราอ่าน แล้วเอาตัว "
    },
    {
      "message_id": 1304,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1305,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1306,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.447,
      "typing_delay": 0.552,
      "typing_duration": 14.512,
      "wpm": 14,
      "message": "5 คูร 1 เป็น 5 "
    },
    {
      "message_id": 1307,
      "agent_id": 34,
      "delay": 10.509,
      "onscreen_delay": 9.678,
      "typing_delay": 0.831,
      "typing_duration": 6.042,
      "wpm": 35,
      "message": "ตอนนี้ใน Stack "
    },
    {
      "message_id": 1308,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1309,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1310,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.655,
      "typing_delay": 0.345,
      "typing_duration": 15.001,
      "wpm": 18,
      "message": "ก้ push ลงใน stack "
    },
    {
      "message_id": 1311,
      "agent_id": 34,
      "delay": 10.999,
      "onscreen_delay": 9.267,
      "typing_delay": 1.732,
      "typing_duration": 5.63,
      "wpm": 21,
      "message": "เดิมมี 3 "
    },
    {
      "message_id": 1312,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1313,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1314,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 6.673,
      "typing_delay": 4.327,
      "typing_duration": 4.327,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1315,
      "agent_id": 34,
      "delay": 6.999,
      "onscreen_delay": 5.265,
      "typing_delay": 1.734,
      "typing_duration": 9.883,
      "wpm": 44,
      "message": "ดูนะคะ ถัดมาอ่านเครื่องหมาย + "
    },
    {
      "message_id": 1316,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1317,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1318,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.416,
      "typing_delay": 1.584,
      "typing_duration": 9.884,
      "wpm": 35,
      "message": "เอา 5 ออกมาไว้ทางขวามือ"
    },
    {
      "message_id": 1319,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 5.843,
      "typing_delay": 1.154,
      "typing_duration": 8.185,
      "wpm": 38,
      "message": "แล้วก็ใสเครื่องหมาย + "
    },
    {
      "message_id": 1320,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1321,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1322,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.776,
      "typing_delay": 1.223,
      "typing_duration": 12.301,
      "wpm": 21,
      "message": "8 ใส่ลงไปใน stack"
    },
    {
      "message_id": 1323,
      "agent_id": 34,
      "delay": 8.298,
      "onscreen_delay": 7.083,
      "typing_delay": 1.215,
      "typing_duration": 13.091,
      "wpm": 36,
      "message": "จะเหลือเอาค่าสุดท้ายนี่คือคำตอบ "
    },
    {
      "message_id": 1324,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1325,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1326,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.963,
      "typing_delay": 1.035,
      "typing_duration": 14.292,
      "wpm": 24,
      "message": "8 จะเห็นว่านี่คือกระบวน"
    },
    {
      "message_id": 1327,
      "agent_id": 34,
      "delay": 10.289,
      "onscreen_delay": 9.824,
      "typing_delay": 0.465,
      "typing_duration": 6.956,
      "wpm": 43,
      "message": "การที่คอมพิวเตอร์คิด "
    },
    {
      "message_id": 1328,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1329,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1330,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 3.736,
      "typing_delay": 7.263,
      "typing_duration": 7.263,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1331,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 2.999,
      "typing_delay": 3.998,
      "typing_duration": 3.998,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1332,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1333,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1334,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 8.491,
      "typing_delay": 2.507,
      "typing_duration": 12.393,
      "wpm": 35,
      "message": "ใครเสร็จแล้ว ครูให้เบรก 5นาที"
    },
    {
      "message_id": 1335,
      "agent_id": 34,
      "delay": 8.391,
      "onscreen_delay": 6.85,
      "typing_delay": 1.541,
      "typing_duration": 15.001,
      "wpm": 35,
      "message": "จดตัวนี้ใส่เสร็จนะคะ ครูให้เบรค 5 น"
    },
    {
      "message_id": 1336,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1337,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1338,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1339,
      "agent_id": 34,
      "delay": 11.001,
      "onscreen_delay": 6.892,
      "typing_delay": 4.109,
      "typing_duration": 4.109,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1340,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1341,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1342,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1343,
      "agent_id": 34,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1344,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1345,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1346,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1347,
      "agent_id": 34,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1348,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1349,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1350,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1351,
      "agent_id": 34,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1352,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1353,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1354,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1355,
      "agent_id": 34,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1356,
      "agent_id": 2,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1357,
      "agent_id": 3,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1358,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1359,
      "agent_id": 34,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1360,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1361,
      "agent_id": 3,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1362,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1363,
      "agent_id": 34,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1364,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1365,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1366,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1367,
      "agent_id": 34,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1368,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1369,
      "agent_id": 3,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1370,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1371,
      "agent_id": 34,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1372,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1373,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1374,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1375,
      "agent_id": 34,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1376,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1377,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1378,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1379,
      "agent_id": 34,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1380,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1381,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1382,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1383,
      "agent_id": 34,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1384,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1385,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1386,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1387,
      "agent_id": 34,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1388,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1389,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1390,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1391,
      "agent_id": 34,
      "delay": 15.003,
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      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1481,
      "agent_id": 3,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1482,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1483,
      "agent_id": 34,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1484,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1485,
      "agent_id": 3,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1486,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1487,
      "agent_id": 34,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1488,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1489,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1490,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 3.391,
      "typing_delay": 7.608,
      "typing_duration": 12.789,
      "wpm": 13,
      "message": "เดี๋ยวมาต่อ"
    },
    {
      "message_id": 1491,
      "agent_id": 34,
      "delay": 8.787,
      "onscreen_delay": 7.84,
      "typing_delay": 0.947,
      "typing_duration": 8.17,
      "wpm": 20,
      "message": "อีกนิดหนึ่ง "
    },
    {
      "message_id": 1492,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1493,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1494,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 5.169,
      "typing_delay": 5.83,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1495,
      "agent_id": 34,
      "delay": 10.999,
      "onscreen_delay": 9.588,
      "typing_delay": 1.411,
      "typing_duration": 10.845,
      "wpm": 18,
      "message": "ครูมีโจทย์ให้ "
    },
    {
      "message_id": 1496,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1497,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1498,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.72,
      "typing_delay": 1.278,
      "typing_duration": 6.081,
      "wpm": 7,
      "message": "+ 2"
    },
    {
      "message_id": 1499,
      "agent_id": 34,
      "delay": 6.996,
      "onscreen_delay": 5.434,
      "typing_delay": 1.562,
      "typing_duration": 15.001,
      "wpm": 22,
      "message": "ตอนนี้เราทำจาก Postfix "
    },
    {
      "message_id": 1500,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1501,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1502,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 10.329,
      "typing_delay": 0.672,
      "typing_duration": 8.249,
      "wpm": 16,
      "message": "อันดับแรก"
    },
    {
      "message_id": 1503,
      "agent_id": 34,
      "delay": 7,
      "onscreen_delay": 5.165,
      "typing_delay": 1.835,
      "typing_duration": 5.656,
      "wpm": 42,
      "message": "ต้องวาดตารางก่อน "
    },
    {
      "message_id": 1504,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1505,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1506,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.324,
      "typing_delay": 0.676,
      "typing_duration": 14.102,
      "wpm": 40,
      "message": "ก้เอาขู้อมูลแต่ละตัวมาใส่ในแต่ละบรรทัด"
    },
    {
      "message_id": 1507,
      "agent_id": 34,
      "delay": 10.095,
      "onscreen_delay": 6.013,
      "typing_delay": 4.082,
      "typing_duration": 4.082,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1508,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1509,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1510,
      "agent_id": 33,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1511,
      "agent_id": 34,
      "delay": 10.995,
      "onscreen_delay": 6.385,
      "typing_delay": 4.61,
      "typing_duration": 10.335,
      "wpm": 20,
      "message": "เราเริ่มต้นเลย"
    },
    {
      "message_id": 1512,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1513,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1514,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 10.614,
      "typing_delay": 0.384,
      "typing_duration": 9.208,
      "wpm": 24,
      "message": "ที่ Output นะคะ "
    },
    {
      "message_id": 1515,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 6.002,
      "typing_delay": 0.995,
      "typing_duration": 6.662,
      "wpm": 29,
      "message": "ถ้าเป็นตัวเลข "
    },
    {
      "message_id": 1516,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1517,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1518,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.378,
      "typing_delay": 0.622,
      "typing_duration": 15.003,
      "wpm": 27,
      "message": "ต้องเอาไปไว้ใน Stack ตอนนี้"
    },
    {
      "message_id": 1519,
      "agent_id": 34,
      "delay": 10.992,
      "onscreen_delay": 10.425,
      "typing_delay": 0.567,
      "typing_duration": 6.883,
      "wpm": 50,
      "message": "เป็น Stack ว่างเราก็เลย "
    },
    {
      "message_id": 1520,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1521,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1522,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 10.31,
      "typing_delay": 0.691,
      "typing_duration": 4.707,
      "wpm": 32,
      "message": "เหมือนเดิม"
    },
    {
      "message_id": 1523,
      "agent_id": 34,
      "delay": 6.996,
      "onscreen_delay": 4.866,
      "typing_delay": 2.13,
      "typing_duration": 4.454,
      "wpm": 13,
      "message": "โอเค "
    },
    {
      "message_id": 1524,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1525,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1526,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.517,
      "typing_delay": 1.481,
      "typing_duration": 12.95,
      "wpm": 25,
      "message": "เลข 2  2 มันเป็นตัวเลข "
    },
    {
      "message_id": 1527,
      "agent_id": 34,
      "delay": 8.947,
      "onscreen_delay": 8.226,
      "typing_delay": 0.721,
      "typing_duration": 10.497,
      "wpm": 33,
      "message": "ต้องเอาไปไว้ที่ Out put "
    },
    {
      "message_id": 1528,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1529,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1530,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.263,
      "typing_delay": 0.737,
      "typing_duration": 5.666,
      "wpm": 26,
      "message": "เหมือนเดิม"
    },
    {
      "message_id": 1531,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 2.409,
      "typing_delay": 4.589,
      "typing_duration": 13.219,
      "wpm": 15,
      "message": "ถึงตรงนี้นะคะ "
    },
    {
      "message_id": 1532,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1533,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1534,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.03,
      "typing_delay": 1.969,
      "typing_duration": 15,
      "wpm": 41,
      "message": "ถัดมาข้อมูลท่เราอ่านมาคืออะไร เครื่องหมาย"
    },
    {
      "message_id": 1535,
      "agent_id": 34,
      "delay": 10.999,
      "onscreen_delay": 10.343,
      "typing_delay": 0.656,
      "typing_duration": 12.023,
      "wpm": 32,
      "message": "บวก พอเราเจอเครื่องหมายบวก "
    },
    {
      "message_id": 1536,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1537,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1538,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.217,
      "typing_delay": 0.782,
      "typing_duration": 15.002,
      "wpm": 33,
      "message": "เดิมเรามี ข้อมูลใน stack หรือเปลา"
    },
    {
      "message_id": 1539,
      "agent_id": 34,
      "delay": 11.001,
      "onscreen_delay": 10.569,
      "typing_delay": 0.432,
      "typing_duration": 7.946,
      "wpm": 47,
      "message": "มีใช่ไหม มีเครื่องหมายคูณ "
    },
    {
      "message_id": 1540,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1541,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1542,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 10.48,
      "typing_delay": 0.518,
      "typing_duration": 10.054,
      "wpm": 34,
      "message": "หรือมากกว่าคูณ น้อยกว่า"
    },
    {
      "message_id": 1543,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 4.873,
      "typing_delay": 2.124,
      "typing_duration": 10.606,
      "wpm": 28,
      "message": "บวก มีค่าน้อยกว่าคูณ "
    },
    {
      "message_id": 1544,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1545,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1546,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 7.27,
      "typing_delay": 3.729,
      "typing_duration": 7.743,
      "wpm": 6,
      "message": "บวก"
    },
    {
      "message_id": 1547,
      "agent_id": 34,
      "delay": 6.996,
      "onscreen_delay": 6.965,
      "typing_delay": 0.031,
      "typing_duration": 12.681,
      "wpm": 32,
      "message": "มีค่าน้อยกว่าคูณเพราะฉะนั้น "
    },
    {
      "message_id": 1548,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1549,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1550,
      "agent_id": 33,
      "delay": 10.996,
      "onscreen_delay": 8.632,
      "typing_delay": 2.364,
      "typing_duration": 12.703,
      "wpm": 27,
      "message": "นะคะ เอามาไว้ที่ Output "
    },
    {
      "message_id": 1551,
      "agent_id": 34,
      "delay": 8.7,
      "onscreen_delay": 8,
      "typing_delay": 0.7,
      "typing_duration": 5.445,
      "wpm": 41,
      "message": "เสร็จแล้วเราถึง"
    },
    {
      "message_id": 1552,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1553,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1554,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 10.152,
      "typing_delay": 0.846,
      "typing_duration": 11.403,
      "wpm": 29,
      "message": "เพราะว่า stack มันว่าง"
    },
    {
      "message_id": 1555,
      "agent_id": 34,
      "delay": 7.401,
      "onscreen_delay": 7.213,
      "typing_delay": 0.188,
      "typing_duration": 12.315,
      "wpm": 38,
      "message": "เพราะฉะนั้น ตรง Output จะเป็น 5 "
    },
    {
      "message_id": 1556,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1557,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1558,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.098,
      "typing_delay": 0.902,
      "typing_duration": 13.637,
      "wpm": 42,
      "message": "เพราะบวกมันน้อยกว่าคูณ เห็นไหมคะ เพราะ"
    },
    {
      "message_id": 1559,
      "agent_id": 34,
      "delay": 9.636,
      "onscreen_delay": 8.808,
      "typing_delay": 0.828,
      "typing_duration": 11.54,
      "wpm": 22,
      "message": "บวกมันน้อยกว่าคูณ "
    },
    {
      "message_id": 1560,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1561,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1562,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.351,
      "typing_delay": 0.648,
      "typing_duration": 13.903,
      "wpm": 26,
      "message": "ได้เลย ก็เอามันมาต่อท้าย"
    },
    {
      "message_id": 1563,
      "agent_id": 34,
      "delay": 9.898,
      "onscreen_delay": 9.449,
      "typing_delay": 0.449,
      "typing_duration": 14.814,
      "wpm": 50,
      "message": "คูณใช่ไหม เพราะมันตัวสุดท้ายมันคุณเอา 2 มาต่อท้าย "
    },
    {
      "message_id": 1564,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1565,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1566,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.128,
      "typing_delay": 0.871,
      "typing_duration": 15,
      "wpm": 37,
      "message": "ตอนนี้เราอ่านข้อมูลครบหมดอล้ว แต่ใน s"
    },
    {
      "message_id": 1567,
      "agent_id": 34,
      "delay": 10.999,
      "onscreen_delay": 10.764,
      "typing_delay": 0.235,
      "typing_duration": 15.002,
      "wpm": 39,
      "message": "มันยังมี Stack ค้างอยู่เพราะฉะนั้น ต้อง "
    },
    {
      "message_id": 1568,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1569,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1570,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1571,
      "agent_id": 34,
      "delay": 11.003,
      "onscreen_delay": 5.404,
      "typing_delay": 5.599,
      "typing_duration": 5.599,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1572,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1573,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1574,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1575,
      "agent_id": 34,
      "delay": 10.999,
      "onscreen_delay": 6.977,
      "typing_delay": 4.022,
      "typing_duration": 4.022,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1576,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1577,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1578,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 5.871,
      "typing_delay": 5.128,
      "typing_duration": 5.128,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1579,
      "agent_id": 34,
      "delay": 6.995,
      "onscreen_delay": 2.684,
      "typing_delay": 4.311,
      "typing_duration": 6.747,
      "wpm": 13,
      "message": "โอเคนะ "
    },
    {
      "message_id": 1580,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1581,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1582,
      "agent_id": 33,
      "delay": 10.997,
      "onscreen_delay": 9.943,
      "typing_delay": 1.054,
      "typing_duration": 10.932,
      "wpm": 23,
      "message": "นะคะ 3 หาร 1 ลบ 2 "
    },
    {
      "message_id": 1583,
      "agent_id": 34,
      "delay": 6.995,
      "onscreen_delay": 6.256,
      "typing_delay": 0.739,
      "typing_duration": 15.001,
      "wpm": 42,
      "message": "แล้วครูก็บอกว่า หารนี่มันมีค่ามากกว่า - ยะ"
    },
    {
      "message_id": 1584,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1585,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1586,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.184,
      "typing_delay": 1.815,
      "typing_duration": 12.939,
      "wpm": 34,
      "message": "ผลลัพธ์สุดท้ายตัวนี้จะได้อะไร "
    },
    {
      "message_id": 1587,
      "agent_id": 34,
      "delay": 8.938,
      "onscreen_delay": 6.663,
      "typing_delay": 2.275,
      "typing_duration": 13.532,
      "wpm": 27,
      "message": "เริ่มต้นทุกคนตีตารางก่อน "
    },
    {
      "message_id": 1588,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1589,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1590,
      "agent_id": 33,
      "delay": 10.996,
      "onscreen_delay": 6.426,
      "typing_delay": 4.57,
      "typing_duration": 8.154,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1591,
      "agent_id": 34,
      "delay": 6.994,
      "onscreen_delay": 6.524,
      "typing_delay": 0.47,
      "typing_duration": 13.226,
      "wpm": 46,
      "message": "ลองทำดูสิคะ มีกระดาษไหมไม่มีมาเอาข้างหน้า "
    },
    {
      "message_id": 1592,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1593,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1594,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 6.253,
      "typing_delay": 4.747,
      "typing_duration": 4.747,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1595,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 2.093,
      "typing_delay": 4.905,
      "typing_duration": 4.905,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1596,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1597,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1598,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 6.642,
      "typing_delay": 4.358,
      "typing_duration": 4.358,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1599,
      "agent_id": 34,
      "delay": 9.258,
      "onscreen_delay": 0,
      "typing_delay": 9.258,
      "typing_duration": 9.258,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1600,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1601,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1602,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.739,
      "typing_delay": 1.26,
      "typing_duration": 15.001,
      "wpm": 37,
      "message": "คล้าย ๆ กับโจทย์ที่เราให้ไป แล้วเร่ก็"
    },
    {
      "message_id": 1603,
      "agent_id": 34,
      "delay": 10.999,
      "onscreen_delay": 7.119,
      "typing_delay": 3.88,
      "typing_duration": 3.88,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1604,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1605,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1606,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 6.001,
      "typing_delay": 5,
      "typing_duration": 5,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1607,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 2.989,
      "typing_delay": 4.009,
      "typing_duration": 4.009,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1608,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1609,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1610,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1611,
      "agent_id": 34,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1612,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1613,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1614,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1615,
      "agent_id": 34,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1616,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1617,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1618,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1619,
      "agent_id": 34,
      "delay": 11,
      "onscreen_delay": 7.052,
      "typing_delay": 3.948,
      "typing_duration": 3.948,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1620,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1621,
      "agent_id": 3,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1622,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1623,
      "agent_id": 34,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1624,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1625,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1626,
      "agent_id": 33,
      "delay": 12.424,
      "onscreen_delay": 0,
      "typing_delay": 12.424,
      "typing_duration": 12.424,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1627,
      "agent_id": 34,
      "delay": 8.422,
      "onscreen_delay": 4.544,
      "typing_delay": 3.878,
      "typing_duration": 3.878,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1628,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1629,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1630,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 8.564,
      "typing_delay": 2.434,
      "typing_duration": 8.519,
      "wpm": 23,
      "message": "ลบมันน้อยกว่า"
    },
    {
      "message_id": 1631,
      "agent_id": 34,
      "delay": 6.995,
      "onscreen_delay": 6.321,
      "typing_delay": 0.674,
      "typing_duration": 9.629,
      "wpm": 47,
      "message": "หาร ใช่ไหมคะ เราเปรียบเทียบกัน "
    },
    {
      "message_id": 1632,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1633,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1634,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.636,
      "typing_delay": 0.364,
      "typing_duration": 6.345,
      "wpm": 12,
      "message": "ออกมา"
    },
    {
      "message_id": 1635,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 3.028,
      "typing_delay": 3.97,
      "typing_duration": 3.97,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1636,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1637,
      "agent_id": 3,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1638,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1639,
      "agent_id": 34,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1640,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1641,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1642,
      "agent_id": 33,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1643,
      "agent_id": 34,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1644,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1645,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1646,
      "agent_id": 33,
      "delay": 15.003,
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      "message_id": 1673,
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      "message_id": 1674,
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      "delay": 15.001,
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      "message_id": 1675,
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      "message_id": 1677,
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      "message_id": 1678,
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      "message_id": 1679,
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      "message_id": 1681,
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      "message_id": 1685,
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      "message_id": 1686,
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      "message_id": 1687,
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      "message_id": 1689,
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      "message_id": 1690,
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      "message_id": 1691,
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      "message_id": 1692,
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      "message_id": 1693,
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      "message_id": 1694,
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      "delay": 15.004,
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      "message_id": 1695,
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      "message_id": 1696,
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      "message_id": 1697,
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      "message_id": 1698,
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      "message_id": 1699,
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    {
      "message_id": 1700,
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    {
      "message_id": 1701,
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    {
      "message_id": 1702,
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    {
      "message_id": 1703,
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    {
      "message_id": 1704,
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      "delay": 15,
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      "typing_duration": 15,
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    {
      "message_id": 1705,
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      "delay": 15.003,
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    {
      "message_id": 1706,
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      "delay": 15.003,
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    {
      "message_id": 1707,
      "agent_id": 34,
      "delay": 15.003,
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    {
      "message_id": 1708,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
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      "message": ""
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    {
      "message_id": 1709,
      "agent_id": 3,
      "delay": 15.001,
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      "typing_delay": 15.001,
      "typing_duration": 15.001,
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      "message": ""
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    {
      "message_id": 1710,
      "agent_id": 33,
      "delay": 15.002,
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      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1711,
      "agent_id": 34,
      "delay": 15.002,
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      "typing_duration": 15.002,
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      "message": ""
    },
    {
      "message_id": 1712,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
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      "typing_duration": 15.001,
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      "message": ""
    },
    {
      "message_id": 1713,
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      "typing_delay": 15.001,
      "typing_duration": 15.001,
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    {
      "message_id": 1714,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 6.797,
      "typing_delay": 4.203,
      "typing_duration": 14.436,
      "wpm": 21,
      "message": "คราวนี้นะคะดูด้วยกัน"
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      "message_id": 1715,
      "agent_id": 34,
      "delay": 10.433,
      "onscreen_delay": 6.478,
      "typing_delay": 3.955,
      "typing_duration": 3.955,
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    {
      "message_id": 1716,
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      "delay": 15.001,
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      "message": ""
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    {
      "message_id": 1717,
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      "message": ""
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    {
      "message_id": 1718,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.211,
      "typing_delay": 0.789,
      "typing_duration": 11.966,
      "wpm": 38,
      "message": "ไปไว้ที่ Output เครื่องหมายหาร"
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    {
      "message_id": 1719,
      "agent_id": 34,
      "delay": 7.964,
      "onscreen_delay": 7.573,
      "typing_delay": 0.391,
      "typing_duration": 10.304,
      "wpm": 41,
      "message": "เอาเครื่องหมายหารไปไว้ที่ไหน "
    },
    {
      "message_id": 1720,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
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      "message": ""
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    {
      "message_id": 1721,
      "agent_id": 3,
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    {
      "message_id": 1722,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 6.928,
      "typing_delay": 4.072,
      "typing_duration": 14.517,
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      "message": "ถัดไปเราอ่าน"
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      "message_id": 1723,
      "agent_id": 34,
      "delay": 10.515,
      "onscreen_delay": 9.943,
      "typing_delay": 0.572,
      "typing_duration": 14.683,
      "wpm": 31,
      "message": "เจอเลข 1 ใช่ไหมเลข 1 ต้องไปไว้ "
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      "message_id": 1724,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
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    {
      "message_id": 1725,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
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      "message": ""
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    {
      "message_id": 1726,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 10.022,
      "typing_delay": 0.979,
      "typing_duration": 15,
      "wpm": 54,
      "message": "ยังเหมือนเดิมนะ เรายังมีเครื่องหมายหารอยู่ เราก็ยกลงมา"
    },
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      "message_id": 1727,
      "agent_id": 34,
      "delay": 10.999,
      "onscreen_delay": 10.633,
      "typing_delay": 0.366,
      "typing_duration": 4.19,
      "wpm": 21,
      "message": "ได้เลย "
    },
    {
      "message_id": 1728,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1729,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
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      "message": ""
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    {
      "message_id": 1730,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 10.471,
      "typing_delay": 0.527,
      "typing_duration": 14.264,
      "wpm": 46,
      "message": "ใช่ไหม ครุเขียนให้ดูก่อน เรามีหารอย฿าแล้วนี่"
    },
    {
      "message_id": 1731,
      "agent_id": 34,
      "delay": 10.262,
      "onscreen_delay": 9.522,
      "typing_delay": 0.74,
      "typing_duration": 10.097,
      "wpm": 36,
      "message": "เราเอาลบนี่มาเทียบกับหาร "
    },
    {
      "message_id": 1732,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1733,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1734,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.581,
      "typing_delay": 1.419,
      "typing_duration": 11.424,
      "wpm": 25,
      "message": "ให้ทำอย่างไร ให้เอา"
    },
    {
      "message_id": 1735,
      "agent_id": 34,
      "delay": 7.423,
      "onscreen_delay": 6.808,
      "typing_delay": 0.615,
      "typing_duration": 13.168,
      "wpm": 31,
      "message": "หารนี่เอาออกมาไว้ที่ Output "
    },
    {
      "message_id": 1736,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1737,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1738,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.725,
      "typing_delay": 1.275,
      "typing_duration": 11.981,
      "wpm": 40,
      "message": "เสร็จแล้วก็ใส่ค่าลบลงมาให้ stack"
    },
    {
      "message_id": 1739,
      "agent_id": 34,
      "delay": 7.98,
      "onscreen_delay": 4.368,
      "typing_delay": 3.612,
      "typing_duration": 10.895,
      "wpm": 11,
      "message": "ถัดมาเรา "
    },
    {
      "message_id": 1740,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1741,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1742,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.502,
      "typing_delay": 1.497,
      "typing_duration": 14.001,
      "wpm": 35,
      "message": "ใน stack หรืออะไรคะ เครื่องหมายลบ"
    },
    {
      "message_id": 1743,
      "agent_id": 34,
      "delay": 10,
      "onscreen_delay": 9.738,
      "typing_delay": 0.262,
      "typing_duration": 14.06,
      "wpm": 37,
      "message": "ใช่ไหม อ่านครบหมดแล้วนะ แต่ใน Stack "
    },
    {
      "message_id": 1744,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1745,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1746,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 10.008,
      "typing_delay": 0.993,
      "typing_duration": 7.633,
      "wpm": 37,
      "message": "หาร 2 แล้วอะไรคะ ลบ"
    },
    {
      "message_id": 1747,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 4.662,
      "typing_delay": 2.336,
      "typing_duration": 12.278,
      "wpm": 38,
      "message": "เห็นไหมเราเอาค่าที่อยู่ใน Stack "
    },
    {
      "message_id": 1748,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1749,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1750,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.455,
      "typing_delay": 1.544,
      "typing_duration": 4.825,
      "wpm": 12,
      "message": "โอเค"
    },
    {
      "message_id": 1751,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 5.153,
      "typing_delay": 1.845,
      "typing_duration": 11.587,
      "wpm": 31,
      "message": "อีกข้อหนึ่งแล้วจะให้เลิก "
    },
    {
      "message_id": 1752,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1753,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1754,
      "agent_id": 33,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1755,
      "agent_id": 34,
      "delay": 10.999,
      "onscreen_delay": 2.297,
      "typing_delay": 8.702,
      "typing_duration": 8.702,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1756,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1757,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1758,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.608,
      "typing_delay": 1.39,
      "typing_duration": 6.117,
      "wpm": 25,
      "message": "ตีตารางค่ะ"
    },
    {
      "message_id": 1759,
      "agent_id": 34,
      "delay": 6.996,
      "onscreen_delay": 2.346,
      "typing_delay": 4.65,
      "typing_duration": 4.65,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1760,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1761,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1762,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1763,
      "agent_id": 34,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1764,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1765,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1766,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1767,
      "agent_id": 34,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1768,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1769,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1770,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1771,
      "agent_id": 34,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1772,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1773,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1774,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1775,
      "agent_id": 34,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1776,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1777,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1778,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1779,
      "agent_id": 34,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1780,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1781,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1782,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1783,
      "agent_id": 34,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1784,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1785,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1786,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1787,
      "agent_id": 34,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1788,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1789,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1790,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1791,
      "agent_id": 34,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1792,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1793,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1794,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1795,
      "agent_id": 34,
      "delay": 11.001,
      "onscreen_delay": 5.01,
      "typing_delay": 5.991,
      "typing_duration": 5.991,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1796,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1797,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1798,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.24,
      "typing_delay": 0.76,
      "typing_duration": 15.001,
      "wpm": 39,
      "message": "มันมีค่ามากกว่าลบ เพราะฉะนั้น ทำอะไร ก็ "
    },
    {
      "message_id": 1799,
      "agent_id": 34,
      "delay": 10.999,
      "onscreen_delay": 10.235,
      "typing_delay": 0.764,
      "typing_duration": 11.655,
      "wpm": 27,
      "message": "คูณนี่ลง Stack ได้เลย "
    },
    {
      "message_id": 1800,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1801,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1802,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1803,
      "agent_id": 34,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1804,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1805,
      "agent_id": 3,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1806,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1807,
      "agent_id": 34,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1808,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1809,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1810,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1811,
      "agent_id": 34,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1812,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1813,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1814,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1815,
      "agent_id": 34,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
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      "message": ""
    },
    {
      "message_id": 1816,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1817,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
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      "message": ""
    },
    {
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      "message_id": 1833,
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      "message_id": 1834,
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      "message_id": 1839,
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      "message_id": 1840,
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      "message_id": 1841,
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      "message_id": 1842,
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      "message_id": 1844,
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      "message_id": 1845,
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      "message_id": 1846,
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      "message_id": 1847,
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      "message_id": 1848,
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      "message_id": 1849,
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      "message_id": 1850,
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      "message_id": 1851,
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      "message_id": 1852,
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      "message_id": 1853,
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      "message_id": 1854,
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    {
      "message_id": 1855,
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    {
      "message_id": 1856,
      "agent_id": 2,
      "delay": 15.003,
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      "typing_duration": 15.003,
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      "message": ""
    },
    {
      "message_id": 1857,
      "agent_id": 3,
      "delay": 15.004,
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      "typing_duration": 15.004,
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      "message": ""
    },
    {
      "message_id": 1858,
      "agent_id": 33,
      "delay": 15.004,
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      "typing_duration": 15.004,
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      "message": ""
    },
    {
      "message_id": 1859,
      "agent_id": 34,
      "delay": 15.002,
      "onscreen_delay": 0,
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      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1860,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
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      "message": ""
    },
    {
      "message_id": 1861,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1862,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 7.943,
      "typing_delay": 3.056,
      "typing_duration": 5.101,
      "wpm": 12,
      "message": "โอเค "
    },
    {
      "message_id": 1863,
      "agent_id": 34,
      "delay": 6.996,
      "onscreen_delay": 4.699,
      "typing_delay": 2.297,
      "typing_duration": 6.569,
      "wpm": 18,
      "message": "มาดูนะคะ "
    },
    {
      "message_id": 1864,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1865,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1866,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 10,
      "typing_delay": 1.001,
      "typing_duration": 14.046,
      "wpm": 35,
      "message": "ลบเอาไว้ที่ stack 6 ก็ใส่มาเหมือน"
    },
    {
      "message_id": 1867,
      "agent_id": 34,
      "delay": 10.039,
      "onscreen_delay": 9.564,
      "typing_delay": 0.475,
      "typing_duration": 6.997,
      "wpm": 21,
      "message": "เดิม 5 เอา "
    },
    {
      "message_id": 1868,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1869,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1870,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.487,
      "typing_delay": 0.513,
      "typing_duration": 7.058,
      "wpm": 17,
      "message": "ถัดมาคูณ "
    },
    {
      "message_id": 1871,
      "agent_id": 34,
      "delay": 6.998,
      "onscreen_delay": 4.598,
      "typing_delay": 2.4,
      "typing_duration": 6.602,
      "wpm": 32,
      "message": "เจอคูณใช่ไหมคะ "
    },
    {
      "message_id": 1872,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1873,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1874,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.762,
      "typing_delay": 1.236,
      "typing_duration": 12.875,
      "wpm": 27,
      "message": "Push คูณลง stack ได้เลย"
    },
    {
      "message_id": 1875,
      "agent_id": 34,
      "delay": 8.871,
      "onscreen_delay": 8.005,
      "typing_delay": 0.866,
      "typing_duration": 8.175,
      "wpm": 20,
      "message": "เพราะฉะนั้น "
    },
    {
      "message_id": 1876,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1877,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1878,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.301,
      "typing_delay": 0.699,
      "typing_duration": 10.679,
      "wpm": 42,
      "message": "กว่านะ มันมากกว่านะคะ ข้างหลัง"
    },
    {
      "message_id": 1879,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 6.201,
      "typing_delay": 0.796,
      "typing_duration": 3.956,
      "wpm": 42,
      "message": "คือ 6 กับ 5 "
    },
    {
      "message_id": 1880,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1881,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1882,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.205,
      "typing_delay": 0.795,
      "typing_duration": 6.719,
      "wpm": 25,
      "message": "ยกลงมา โอเค"
    },
    {
      "message_id": 1883,
      "agent_id": 34,
      "delay": 6.995,
      "onscreen_delay": 5.853,
      "typing_delay": 1.142,
      "typing_duration": 10.141,
      "wpm": 47,
      "message": "เสร็จแล้วหมดแล้วนะ ผลลัพธ์ที่ได้ "
    },
    {
      "message_id": 1884,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1885,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1886,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.931,
      "typing_delay": 1.069,
      "typing_duration": 4.286,
      "wpm": 14,
      "message": "โอเค"
    },
    {
      "message_id": 1887,
      "agent_id": 34,
      "delay": 6.997,
      "onscreen_delay": 2.45,
      "typing_delay": 4.547,
      "typing_duration": 4.547,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1888,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1889,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1890,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1891,
      "agent_id": 34,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1892,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1893,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1894,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.819,
      "typing_delay": 1.18,
      "typing_duration": 12.393,
      "wpm": 27,
      "message": "ทำไมตัวนี้ เอาหารออกมา "
    },
    {
      "message_id": 1895,
      "agent_id": 34,
      "delay": 8.386,
      "onscreen_delay": 7.564,
      "typing_delay": 0.822,
      "typing_duration": 14.072,
      "wpm": 41,
      "message": "ตัวนี้ไม่ได้เอาอะไรออกมา วิธีการสังเกต "
    },
    {
      "message_id": 1896,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1897,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1898,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 10.275,
      "typing_delay": 0.726,
      "typing_duration": 9.31,
      "wpm": 42,
      "message": "น้อยกว่าหาร เห็นไหมคะ ลบมี"
    },
    {
      "message_id": 1899,
      "agent_id": 34,
      "delay": 7,
      "onscreen_delay": 6.427,
      "typing_delay": 0.573,
      "typing_duration": 5.616,
      "wpm": 48,
      "message": "ค่าน้อยกว่าหาร เลย "
    },
    {
      "message_id": 1900,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1901,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1902,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.204,
      "typing_delay": 1.795,
      "typing_duration": 12.656,
      "wpm": 30,
      "message": "ถ้า Input ที่ใส่เข้าไปนี่ "
    },
    {
      "message_id": 1903,
      "agent_id": 34,
      "delay": 8.654,
      "onscreen_delay": 7.733,
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