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      "message_received": "ผลต่างร่วม",
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      "message_received": "หาครูปิ๊ก",
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      "message_received": "ไม่ลูก",
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      "message_id": 58,
      "editor_id": 36,
      "message_received": "เขาเรียกว่าตัวแปรนะลูกเนาะ",
      "slice_count": 1,
      "slices": " เขาเรียกว่าตัวแปรนะลูกนาะ|",
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      "edit_duration_all": 16.012,
      "is_forceout": true
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    {
      "message_id": 59,
      "editor_id": 33,
      "message_received": "ต่อไปเอ็มนึง",
      "slice_count": 1,
      "slices": "ต่อไป|",
      "edit_duration": 12.327,
      "edit_duration_all": 12.327,
      "is_forceout": false
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    {
      "message_id": 60,
      "editor_id": 33,
      "message_received": "คือพจน์แรก",
      "slice_count": 1,
      "slices": " n1 คือพจน์แรก|",
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      "edit_duration_all": 10.756,
      "is_forceout": false
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    {
      "message_id": 61,
      "editor_id": 33,
      "message_received": "นะคะหรือพจน์ที่ 1",
      "slice_count": 2,
      "slices": "นะคะ |หรือพจน์ที่ 1|",
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      "edit_duration_all": 10.404,
      "is_forceout": false
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    {
      "message_id": 62,
      "editor_id": 33,
      "message_received": "A1 ตัวนี้นะลูกนะคือพจน์แรกพจน์ที่ 1",
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      "slices": " |a1 ตัวนี้นะลูกนะ |คือพจน์แรกพจน์ที่ 1|",
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      "edit_duration_all": 13.285,
      "is_forceout": false
    },
    {
      "message_id": 63,
      "editor_id": 33,
      "message_received": "บี้ก็คือ",
      "slice_count": 1,
      "slices": " bก็คือ|",
      "edit_duration": 16.037,
      "edit_duration_all": 16.037,
      "is_forceout": true
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    {
      "message_id": 64,
      "editor_id": 33,
      "message_received": "ผลต่างร่วม",
      "slice_count": 1,
      "slices": "ผลต่างร่วม|",
      "edit_duration": 16.035,
      "edit_duration_all": 16.035,
      "is_forceout": true
    },
    {
      "message_id": 65,
      "editor_id": 33,
      "message_received": "หายังไงจำได้ไหม",
      "slice_count": 1,
      "slices": "หายอย่างไรำได้ไหม |",
      "edit_duration": 16.057,
      "edit_duration_all": 16.057,
      "is_forceout": true
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    {
      "message_id": 66,
      "editor_id": 33,
      "message_received": "ทบทวนเนาะการหาดีคืออะไรคะให้จับคู่ที่อยู่ติดกัน",
      "slice_count": 1,
      "slices": "ทบทวนเนาะการหา d คืออะไร คะให้จับคู่ที่อยู่ติดกัน|",
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      "edit_duration_all": 16.045,
      "is_forceout": true
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    {
      "message_id": 67,
      "editor_id": 36,
      "message_received": "1 คู่คู่ไหนก็ได้ลูกที่มันอยู่ติดกัน",
      "slice_count": 2,
      "slices": "1 คู่ |คู่ไหนก็ได้ลูกที่มันอยู่ติดกัน|",
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      "edit_duration_all": 3.825,
      "is_forceout": false
    },
    {
      "message_id": 68,
      "editor_id": 36,
      "message_received": "จากนั้นเอาพจน์หลัง",
      "slice_count": 2,
      "slices": " |จากนั้นเอาพจน์หลัง|",
      "edit_duration": 0.994,
      "edit_duration_all": 4.235,
      "is_forceout": false
    },
    {
      "message_id": 69,
      "editor_id": 36,
      "message_received": "ปวดหลังหรือตัวข้างหลังอ่ะลูกลบตัวข้างหน้า",
      "slice_count": 3,
      "slices": " |พจน์หลังหรือตัวข้างหลัง|น่ะลูกลบตัวข้างหน้า|",
      "edit_duration": 0.744,
      "edit_duration_all": 9.2,
      "is_forceout": false
    },
    {
      "message_id": 70,
      "editor_id": 36,
      "message_received": "ถ้าไม่เห็นภาพหาดู",
      "slice_count": 2,
      "slices": " |ถ้าไม่เห็นภาพหาดู|",
      "edit_duration": 6.116,
      "edit_duration_all": 8.554,
      "is_forceout": false
    },
    {
      "message_id": 71,
      "editor_id": 36,
      "message_received": "มาดูตัวอย่างนี้นะคะ",
      "slice_count": 2,
      "slices": " |มาดูตัวอย่างนี้นะคะ |",
      "edit_duration": 5.558,
      "edit_duration_all": 6.559,
      "is_forceout": false
    },
    {
      "message_id": 72,
      "editor_id": 36,
      "message_received": "อันนี้คือรูปแบบ",
      "slice_count": 1,
      "slices": "อันนี้คือรูปแบบ|",
      "edit_duration": 11.752,
      "edit_duration_all": 11.752,
      "is_forceout": false
    },
    {
      "message_id": 73,
      "editor_id": 36,
      "message_received": "ของเลขคณิตที่",
      "slice_count": 1,
      "slices": "ของเลขคณิตที่ครูกำหนดให้ |",
      "edit_duration": 9.614,
      "edit_duration_all": 9.614,
      "is_forceout": false
    },
    {
      "message_id": 74,
      "editor_id": 33,
      "message_received": "สมมุติเขียนกำหนดมาให้นะคะจากนั้นให้เราหารูปแบบพจน์ทั่วไปของ",
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      "slices": "สมมุติเขียนกำหนดมาให้นะคะ| จากนั้นให้เราหารูปแบบพจน์ทั่วไป| ของ|",
      "edit_duration": 6.3,
      "edit_duration_all": 10.398,
      "is_forceout": false
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    {
      "message_id": 75,
      "editor_id": 33,
      "message_received": "ลําดับเลขคณิตนี้",
      "slice_count": 1,
      "slices": "ลำดับเลขคณิตนี้|",
      "edit_duration": 8.88,
      "edit_duration_all": 8.88,
      "is_forceout": false
    },
    {
      "message_id": 76,
      "editor_id": 33,
      "message_received": "หลักสูตรนี้นะคะหลักสูตร",
      "slice_count": 2,
      "slices": " จากสูตรนี้นะคะ |จากสูตร|",
      "edit_duration": 10.825,
      "edit_duration_all": 15.461,
      "is_forceout": false
    },
    {
      "message_id": 77,
      "editor_id": 33,
      "message_received": "งั้นเราแทนค่าลงไป",
      "slice_count": 2,
      "slices": " | เราแทนค่าลงไป|",
      "edit_duration": 13.27,
      "edit_duration_all": 16.054,
      "is_forceout": true
    },
    {
      "message_id": 78,
      "editor_id": 33,
      "message_received": "ถ้าลงไปนะคะก่อนอื่นเราต้องมาดูก่อนว่าลำดับนี้",
      "slice_count": 2,
      "slices": "ถ้าลงไปนะคะ| ก่อนอื่นเราต้องมาดูก่อนว่าลำดับนี้ |",
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      "edit_duration_all": 12.363,
      "is_forceout": false
    },
    {
      "message_id": 79,
      "editor_id": 36,
      "message_received": "มีค่าดีเท่าไหร่",
      "slice_count": 1,
      "slices": "มีค่า d เท่าไร|",
      "edit_duration": 7.098,
      "edit_duration_all": 7.098,
      "is_forceout": false
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    {
      "message_id": 80,
      "editor_id": 36,
      "message_received": "ดีถ้าดีหาได้จากเอาอะไรลบอะไรนะ",
      "slice_count": 2,
      "slices": " |ค่า d หาได้จากเอาอะไรลบอะไรนะ|",
      "edit_duration": 3.38,
      "edit_duration_all": 9.958,
      "is_forceout": false
    },
    {
      "message_id": 81,
      "editor_id": 36,
      "message_received": "Anime",
      "slice_count": 2,
      "slices": " ||",
      "edit_duration": 7.446,
      "edit_duration_all": 10.212,
      "is_forceout": false
    },
    {
      "message_id": 82,
      "editor_id": 36,
      "message_received": "เอาจับคู่มา 1 คู่",
      "slice_count": 1,
      "slices": "เอาจับคู่มา 1 คู่|",
      "edit_duration": 7.715,
      "edit_duration_all": 7.715,
      "is_forceout": false
    },
    {
      "message_id": 83,
      "editor_id": 36,
      "message_received": "จากนั้นเอาตัวข้างหลังลบตัวข้างหน้า",
      "slice_count": 2,
      "slices": " |จากนั้นเอาตัวข้างหลังลบตัวข้างหน้า|",
      "edit_duration": 4.132,
      "edit_duration_all": 5.477,
      "is_forceout": false
    },
    {
      "message_id": 84,
      "editor_id": 36,
      "message_received": "2 หรอหัวคู่ไหนก่อน",
      "slice_count": 3,
      "slices": " |2 เหรอ |หนูเอาคู่ไหนก่อน|",
      "edit_duration": 0.948,
      "edit_duration_all": 9.032,
      "is_forceout": false
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    {
      "message_id": 85,
      "editor_id": 36,
      "message_received": "ใช่ไหมใช่ไหมเราเอาคู่ไหนมาลูก",
      "slice_count": 4,
      "slices": " |ใช่ไหม |ใช่ไหม |เราเอาคู่ไหนมาลูก|",
      "edit_duration": 5.177,
      "edit_duration_all": 10.836,
      "is_forceout": false
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    {
      "message_id": 86,
      "editor_id": 36,
      "message_received": "เอาคู่นี้ใช่ไหม",
      "slice_count": 2,
      "slices": " |เอาคู่นี้ใช่ไหม |",
      "edit_duration": 9.032,
      "edit_duration_all": 9.656,
      "is_forceout": false
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    {
      "message_id": 87,
      "editor_id": 33,
      "message_received": "2 กับ 5 ใช่ไหม",
      "slice_count": 1,
      "slices": "2 กับ 5 ใช่ไหม|",
      "edit_duration": 3.968,
      "edit_duration_all": 3.968,
      "is_forceout": false
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    {
      "message_id": 88,
      "editor_id": 33,
      "message_received": "จากนั้นเอา 5",
      "slice_count": 2,
      "slices": " |จากนั้นเอา 5|",
      "edit_duration": 1.645,
      "edit_duration_all": 11.65,
      "is_forceout": false
    },
    {
      "message_id": 89,
      "editor_id": 33,
      "message_received": "ลบออก",
      "slice_count": 1,
      "slices": " ลบออก|",
      "edit_duration": 10.166,
      "edit_duration_all": 10.166,
      "is_forceout": false
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    {
      "message_id": 90,
      "editor_id": 33,
      "message_received": "2 เหนือ",
      "slice_count": 1,
      "slices": " 2 เหลือ|",
      "edit_duration": 8.435,
      "edit_duration_all": 8.435,
      "is_forceout": false
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    {
      "message_id": 91,
      "editor_id": 33,
      "message_received": "อะไร",
      "slice_count": 2,
      "slices": " |เท่าไร|",
      "edit_duration": 5.626,
      "edit_duration_all": 11.109,
      "is_forceout": false
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    {
      "message_id": 92,
      "editor_id": 33,
      "message_received": "เมื่อกี้ตอบถูกแล้วให้มั่นใจใช่คือ 3 ใช่ไหมคะ",
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      "slices": " |เมื่อกี้ตอบถูกแล้ว |ให้มั่นใจ |ใช่ คือ 3 ใช่ไหมคะ| |",
      "edit_duration": 4.743,
      "edit_duration_all": 16.204,
      "is_forceout": true
    },
    {
      "message_id": 93,
      "editor_id": 33,
      "message_received": "5 - 6 2",
      "slice_count": 1,
      "slices": "5 - 2 |",
      "edit_duration": 15.279,
      "edit_duration_all": 15.279,
      "is_forceout": false
    },
    {
      "message_id": 94,
      "editor_id": 33,
      "message_received": "เหลือ",
      "slice_count": 1,
      "slices": "เหลือ|",
      "edit_duration": 13.814,
      "edit_duration_all": 13.814,
      "is_forceout": false
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    {
      "message_id": 95,
      "editor_id": 33,
      "message_received": "3 นั่นก็คือ B",
      "slice_count": 3,
      "slices": " |3 |นั่นก็คือ |",
      "edit_duration": 11.426,
      "edit_duration_all": 16.051,
      "is_forceout": true
    },
    {
      "message_id": 96,
      "editor_id": 33,
      "message_received": "D = 3",
      "slice_count": 1,
      "slices": "D = 3|",
      "edit_duration": 15.58,
      "edit_duration_all": 15.58,
      "is_forceout": false
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    {
      "message_id": 97,
      "editor_id": 33,
      "message_received": "ใช่ไหมคะจากนั้นมาแทนค่ะในส่วนของเรา",
      "slice_count": 3,
      "slices": " ใช่ไหมคะ |จากนั้นมาแทนค่ะ| ในส่วนของเรา |",
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      "edit_duration_all": 15.289,
      "is_forceout": false
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      "message_id": 98,
      "editor_id": 36,
      "message_received": "A1 รู้แล้วคือบทที่ 1",
      "slice_count": 2,
      "slices": "a1 รู้แล้วคือ|พจน์ที่ 1|",
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      "edit_duration_all": 7.492,
      "is_forceout": false
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    {
      "message_id": 99,
      "editor_id": 36,
      "message_received": "ตัวนี้พวกที่ 1 คือเลขอะไรคะ",
      "slice_count": 2,
      "slices": " |ตัวนี้พวกที่ 1 คือเลขอะไรคะ |",
      "edit_duration": 4.815,
      "edit_duration_all": 6.623,
      "is_forceout": false
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    {
      "message_id": 100,
      "editor_id": 36,
      "message_received": "ช่วยกันดู",
      "slice_count": 1,
      "slices": "ช่วยกันดู|",
      "edit_duration": 5.543,
      "edit_duration_all": 5.543,
      "is_forceout": false
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    {
      "message_id": 101,
      "editor_id": 36,
      "message_received": "ชุดที่ 1 คือ",
      "slice_count": 2,
      "slices": " |พจน์ที่ 1 คือ|",
      "edit_duration": 3.145,
      "edit_duration_all": 5.375,
      "is_forceout": false
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    {
      "message_id": 102,
      "editor_id": 36,
      "message_received": "บทที่ 1",
      "slice_count": 2,
      "slices": " |พจน์ที่ 1|",
      "edit_duration": 2.038,
      "edit_duration_all": 4.167,
      "is_forceout": false
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    {
      "message_id": 103,
      "editor_id": 36,
      "message_received": "ตัวแรกเลยค่ะลูกคือเลขอะไรเอ่ย",
      "slice_count": 3,
      "slices": " |ตัวแรกเลยค่ะลูก |คือเลขอะไรเอ่ย|",
      "edit_duration": 1.493,
      "edit_duration_all": 4.492,
      "is_forceout": false
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    {
      "message_id": 104,
      "editor_id": 36,
      "message_received": "ดูดีๆดูดีๆดิ",
      "slice_count": 3,
      "slices": " |ดูดี ๆ นี่ |ดูดี ๆ น|",
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      "edit_duration_all": 8.287,
      "is_forceout": false
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    {
      "message_id": 105,
      "editor_id": 36,
      "message_received": "พจน์แรก",
      "slice_count": 2,
      "slices": "ี่|พจน์แรก |",
      "edit_duration": 3.196,
      "edit_duration_all": 4.133,
      "is_forceout": false
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    {
      "message_id": 106,
      "editor_id": 36,
      "message_received": "ตัวแรกกับลูกตัวแรกของลำดับเลขคณิตตัวนี้คืออะไรเลขอะไร",
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      "slices": "ตัวแรก|น่ะลูก |ตัวแรกของลำดับเลขคณิตตัวนี้คืออะไร |เลขอะไร |",
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      "edit_duration_all": 9.736,
      "is_forceout": false
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    {
      "message_id": 107,
      "editor_id": 33,
      "message_received": "มองเห็นอยู่นะมองเห็นเลข 2",
      "slice_count": 3,
      "slices": "มองเห็นอยู่นะ |มองเห็น| เลข 2|",
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      "edit_duration_all": 13.93,
      "is_forceout": false
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    {
      "message_id": 108,
      "editor_id": 33,
      "message_received": "นะ",
      "slice_count": 1,
      "slices": " นะ|",
      "edit_duration": 12.467,
      "edit_duration_all": 12.467,
      "is_forceout": false
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    {
      "message_id": 109,
      "editor_id": 33,
      "message_received": "พจน์ที่ 1 คือ A 1 = 2",
      "slice_count": 2,
      "slices": " ถูกต้อง |พจน์ที่ 1 คือ a1 = 2|",
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      "edit_duration_all": 14.744,
      "is_forceout": false
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    {
      "message_id": 110,
      "editor_id": 33,
      "message_received": "ก็หาได้แล้วคือถามนั้นนำมาแทนค่าในสูตรลงไป",
      "slice_count": 3,
      "slices": " |ก็หาได้แล้ว |คือถามนั้นนำมาแทนค่าในสูตรลงไป|",
      "edit_duration": 8.875,
      "edit_duration_all": 13.283,
      "is_forceout": false
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    {
      "message_id": 111,
      "editor_id": 33,
      "message_received": "ก็จะได้เป็น a n =",
      "slice_count": 1,
      "slices": " ก็จะได้เป็น a n =|",
      "edit_duration": 15.59,
      "edit_duration_all": 15.59,
      "is_forceout": false
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    {
      "message_id": 112,
      "editor_id": 33,
      "message_received": "2",
      "slice_count": 1,
      "slices": "2|",
      "edit_duration": 13.207,
      "edit_duration_all": 13.207,
      "is_forceout": false
    },
    {
      "message_id": 113,
      "editor_id": 33,
      "message_received": "2 คือ",
      "slice_count": 2,
      "slices": " |2 คือ|",
      "edit_duration": 11.966,
      "edit_duration_all": 14.445,
      "is_forceout": false
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    {
      "message_id": 114,
      "editor_id": 33,
      "message_received": "อันนี้ใช่ไหม 2+",
      "slice_count": 1,
      "slices": "อันนี้ใช่ไหม 2+|",
      "edit_duration": 11.848,
      "edit_duration_all": 11.848,
      "is_forceout": false
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    {
      "message_id": 115,
      "editor_id": 33,
      "message_received": "วงเล็บ n",
      "slice_count": 1,
      "slices": " วงเล็บ n|",
      "edit_duration": 9.937,
      "edit_duration_all": 9.937,
      "is_forceout": false
    },
    {
      "message_id": 116,
      "editor_id": 33,
      "message_received": "ตัวไม่ทราบค่า",
      "slice_count": 2,
      "slices": " |ตัวไม่ทราบค่า|",
      "edit_duration": 8.104,
      "edit_duration_all": 8.953,
      "is_forceout": false
    },
    {
      "message_id": 117,
      "editor_id": 33,
      "message_received": "คิดว่าอย่างนั้นนะคะบวก 1",
      "slice_count": 2,
      "slices": " คิดว่าอย่างนั้นนะคะ | +1 |",
      "edit_duration": 7.653,
      "edit_duration_all": 11.256,
      "is_forceout": false
    },
    {
      "message_id": 118,
      "editor_id": 36,
      "message_received": "โรงแรมคูณ 3",
      "slice_count": 1,
      "slices": "x 3|",
      "edit_duration": 9.376,
      "edit_duration_all": 9.376,
      "is_forceout": false
    },
    {
      "message_id": 119,
      "editor_id": 36,
      "message_received": "แล้วทำยังไง",
      "slice_count": 1,
      "slices": " แล้วทำอย่างไร|",
      "edit_duration": 7.77,
      "edit_duration_all": 7.77,
      "is_forceout": false
    },
    {
      "message_id": 120,
      "editor_id": 36,
      "message_received": "เอา 3 หน้าที่อยู่นอกวงเล็บนะลูกคูณเข้าไปในวงเล็บ",
      "slice_count": 2,
      "slices": " |เอา 3 หน้าที่อยู่นอกวงเล็บนะลูกคูณเข้าไปในวงเล็บ|",
      "edit_duration": 4.076,
      "edit_duration_all": 7.918,
      "is_forceout": false
    },
    {
      "message_id": 121,
      "editor_id": 36,
      "message_received": "ทีละตัว",
      "slice_count": 1,
      "slices": "ทีละตัว|",
      "edit_duration": 6.499,
      "edit_duration_all": 6.499,
      "is_forceout": false
    },
    {
      "message_id": 122,
      "editor_id": 36,
      "message_received": "ดูนะดูตามลูกศรตัวแทนนะคะ",
      "slice_count": 3,
      "slices": " |ดูนะ |ดูตามลูกศรตัวแทนนะคะ |",
      "edit_duration": 3.056,
      "edit_duration_all": 4.718,
      "is_forceout": false
    },
    {
      "message_id": 123,
      "editor_id": 36,
      "message_received": "ได้ว่าอะไรคะเอา 3 * n",
      "slice_count": 1,
      "slices": "ได้ว่าอะไรคะ เอา 3 x n|",
      "edit_duration": 6.155,
      "edit_duration_all": 6.155,
      "is_forceout": false
    },
    {
      "message_id": 124,
      "editor_id": 36,
      "message_received": "เราก็ติดเอ็นไว้เป็น 3M",
      "slice_count": 2,
      "slices": " |เราก็ติด n ไว้เป็น 3n|",
      "edit_duration": 4.05,
      "edit_duration_all": 11.794,
      "is_forceout": false
    },
    {
      "message_id": 125,
      "editor_id": 36,
      "message_received": "ใช่ไหม",
      "slice_count": 1,
      "slices": " ใช่ไหม|",
      "edit_duration": 10.425,
      "edit_duration_all": 10.425,
      "is_forceout": false
    },
    {
      "message_id": 126,
      "editor_id": 36,
      "message_received": "โอเคงั้นเอา 3 * 1 ค่ะ",
      "slice_count": 2,
      "slices": " |โอเคอย่างนั้น เอา 3 x 1 ค่ะ |",
      "edit_duration": 7.542,
      "edit_duration_all": 16.012,
      "is_forceout": true
    },
    {
      "message_id": 127,
      "editor_id": 33,
      "message_received": "3 * 1 ได้เท่าไหร่คะ",
      "slice_count": 1,
      "slices": "3 x 1 ได้เท่าไรคะ|",
      "edit_duration": 12.862,
      "edit_duration_all": 12.862,
      "is_forceout": false
    },
    {
      "message_id": 128,
      "editor_id": 33,
      "message_received": "ถูกต้องเก่งมากค่ะเก่งมาได้ 3",
      "slice_count": 3,
      "slices": " ถูกต้อง |เก่งมากค่ะ| เก่งมา ได้ 3|",
      "edit_duration": 9.639,
      "edit_duration_all": 14.865,
      "is_forceout": false
    },
    {
      "message_id": 129,
      "editor_id": 33,
      "message_received": "น้าจากนั้นเราก็มาหาค่ะนำ",
      "slice_count": 3,
      "slices": " นะ |จากนั้นเราก็มาหาค่ะ |นำ|",
      "edit_duration": 11.39,
      "edit_duration_all": 14.562,
      "is_forceout": false
    },
    {
      "message_id": 130,
      "editor_id": 33,
      "message_received": "ไหมคะตัวเลขที่",
      "slice_count": 2,
      "slices": "ไหมคะ |ตัวเลขที่|",
      "edit_duration": 12.761,
      "edit_duration_all": 13.729,
      "is_forceout": false
    },
    {
      "message_id": 131,
      "editor_id": 33,
      "message_received": "มี",
      "slice_count": 1,
      "slices": "มี|",
      "edit_duration": 12.383,
      "edit_duration_all": 12.383,
      "is_forceout": false
    },
    {
      "message_id": 132,
      "editor_id": 33,
      "message_received": "เป็นจำนวนเต็มเหมือนกันนะมา",
      "slice_count": 2,
      "slices": " เป็นจำนวนเต็มเหมือนกันนะ||",
      "edit_duration": 12.272,
      "edit_duration_all": 15.988,
      "is_forceout": false
    },
    {
      "message_id": 133,
      "editor_id": 33,
      "message_received": "มา",
      "slice_count": 1,
      "slices": "มา|",
      "edit_duration": 14.872,
      "edit_duration_all": 14.872,
      "is_forceout": false
    },
    {
      "message_id": 134,
      "editor_id": 33,
      "message_received": "ลบกันทำไมถึงลบคะ",
      "slice_count": 2,
      "slices": "ลบกัน |ทำไมถึงลบคะ|",
      "edit_duration": 12.419,
      "edit_duration_all": 13.433,
      "is_forceout": false
    },
    {
      "message_id": 135,
      "editor_id": 33,
      "message_received": "เพราะ",
      "slice_count": 2,
      "slices": " |เพราะ|",
      "edit_duration": 12.493,
      "edit_duration_all": 13.532,
      "is_forceout": false
    },
    {
      "message_id": 136,
      "editor_id": 33,
      "message_received": "ดูนะ",
      "slice_count": 1,
      "slices": "ดูนะ|",
      "edit_duration": 12.054,
      "edit_duration_all": 12.054,
      "is_forceout": false
    },
    {
      "message_id": 137,
      "editor_id": 33,
      "message_received": "2 ข้างหน้าเป็นบวกถูกไหมลูก",
      "slice_count": 3,
      "slices": " |2 ข้างหน้าเป็นบวก |ถูกไหมลูก |",
      "edit_duration": 9.336,
      "edit_duration_all": 12.488,
      "is_forceout": false
    },
    {
      "message_id": 138,
      "editor_id": 36,
      "message_received": "ตั้งแต่ 3 ตัวนี้ข้างหน้าเป็นสมัยอะไรลูก",
      "slice_count": 2,
      "slices": "แต่ 3 ตัวนี้ข้างหน้าเป็น|เครื่องหมายอะไรลูก|",
      "edit_duration": 4.419,
      "edit_duration_all": 8.473,
      "is_forceout": false
    },
    {
      "message_id": 139,
      "editor_id": 36,
      "message_received": "ลบใช่ไหมว่าเราเอา 2 เนี่ยมันลบออก 3 ความจริงถามว่า 2 - 3 ได้ไหม",
      "slice_count": 3,
      "slices": " |ลบใช่ไหม |ว่าเราเอา 2 นี่มันลบออก 3 ความจริงถามว่า 2 - 3 ได้ไหม |",
      "edit_duration": 1.374,
      "edit_duration_all": 7.681,
      "is_forceout": false
    },
    {
      "message_id": 140,
      "editor_id": 36,
      "message_received": "จริง",
      "slice_count": 1,
      "slices": "เอาจริง|",
      "edit_duration": 8.568,
      "edit_duration_all": 8.568,
      "is_forceout": false
    },
    {
      "message_id": 141,
      "editor_id": 36,
      "message_received": "เรามีเงิน 2 บาทแต่เพื่อนมาขอ 3 บาทเราให้ได้ไหม",
      "slice_count": 4,
      "slices": " |เรามีเงิน 2 บาท |แต่เพื่อนมาขอ 3 บาท| เราให้ได้ไหม |",
      "edit_duration": 4.22,
      "edit_duration_all": 10.364,
      "is_forceout": false
    },
    {
      "message_id": 142,
      "editor_id": 33,
      "message_received": "สมมุตินะถ้าเรามีเงินอยู่แค่ 2 บาท",
      "slice_count": 2,
      "slices": "สมมุตินะ |ถ้าเรามีเงินอยู่แค่ 2 บาท|",
      "edit_duration": 5.246,
      "edit_duration_all": 6.633,
      "is_forceout": false
    },
    {
      "message_id": 143,
      "editor_id": 33,
      "message_received": "เพื่อนมาขอ 3 บาท",
      "slice_count": 2,
      "slices": " |แต่เพื่อนมาขอ 3 บาท|",
      "edit_duration": 4.745,
      "edit_duration_all": 11.911,
      "is_forceout": false
    },
    {
      "message_id": 144,
      "editor_id": 33,
      "message_received": "แล้วจะให้ได้ไหม",
      "slice_count": 1,
      "slices": " เราจะให้ได้ไหม |",
      "edit_duration": 10.629,
      "edit_duration_all": 10.629,
      "is_forceout": false
    },
    {
      "message_id": 145,
      "editor_id": 33,
      "message_received": "ไม่ได้ไม่ได้เราไม่มีพอใช่ไหมในทางความเป็นจริงคือมัน",
      "slice_count": 4,
      "slices": " ไม่ได้ ไม่ได้ |เราไม่มีพอใช่ไหม |ในทางความเป็นจริง|คือมัน|",
      "edit_duration": 6.46,
      "edit_duration_all": 14.041,
      "is_forceout": false
    },
    {
      "message_id": 146,
      "editor_id": 33,
      "message_received": "ไม่ได้",
      "slice_count": 1,
      "slices": "ไม่ได้|",
      "edit_duration": 13.384,
      "edit_duration_all": 13.384,
      "is_forceout": false
    },
    {
      "message_id": 147,
      "editor_id": 33,
      "message_received": "แต่ในทางคณิตศาสตร์นะคะลูก",
      "slice_count": 1,
      "slices": "แต่ในทางคณิตศาสตร์นะคะลูก|",
      "edit_duration": 10.536,
      "edit_duration_all": 10.536,
      "is_forceout": false
    },
    {
      "message_id": 148,
      "editor_id": 33,
      "message_received": "ถ้าเราเจอแบบนี้อันดับแรกเลยเรายังไม่ต้องดูว่า",
      "slice_count": 4,
      "slices": " |ถ้าเราเจอแบบนี้ |อันดับแรกเลย |เรายังไม่ต้องดูว่า|",
      "edit_duration": 5.659,
      "edit_duration_all": 11.551,
      "is_forceout": false
    },
    {
      "message_id": 149,
      "editor_id": 36,
      "message_received": "มันมีค่ามากหรือน้อยกว่ากันยังไง",
      "slice_count": 2,
      "slices": "มันมีค่ามากหรือน้อยกว่ากัน|อย่างไร|",
      "edit_duration": 3.037,
      "edit_duration_all": 4.941,
      "is_forceout": false
    },
    {
      "message_id": 150,
      "editor_id": 36,
      "message_received": "ไปให้เราเอาตัวที่มีค่ามากน่ะ",
      "slice_count": 2,
      "slices": " |แต่ให้เราเอาตัวที่มีค่ามากน่ะ|",
      "edit_duration": 2.247,
      "edit_duration_all": 6.584,
      "is_forceout": false
    },
    {
      "message_id": 151,
      "editor_id": 36,
      "message_received": "มารพตัวที่มีค่าน้อยไปก่อนเลย",
      "slice_count": 2,
      "slices": " |มาลบตัวที่มีค่าน้อยไปก่อนเลย|",
      "edit_duration": 4.203,
      "edit_duration_all": 8.107,
      "is_forceout": false
    },
    {
      "message_id": 152,
      "editor_id": 36,
      "message_received": "เราจะได้ว่าเป็น 3 - 1 ถูกไหมคะ",
      "slice_count": 2,
      "slices": " |เราจะได้ว่าเป็น 3 - 1 ถูกไหมคะ |",
      "edit_duration": 3.876,
      "edit_duration_all": 6.722,
      "is_forceout": false
    },
    {
      "message_id": 153,
      "editor_id": 36,
      "message_received": "3 ลบออก 1 เหลือเท่าไหร่ลูก",
      "slice_count": 1,
      "slices": "3 ลบออก 1 เหลือเท่าไรลูก|",
      "edit_duration": 7.524,
      "edit_duration_all": 7.524,
      "is_forceout": false
    },
    {
      "message_id": 154,
      "editor_id": 36,
      "message_received": "3",
      "slice_count": 2,
      "slices": " |3|",
      "edit_duration": 6.823,
      "edit_duration_all": 9.245,
      "is_forceout": false
    },
    {
      "message_id": 155,
      "editor_id": 36,
      "message_received": "3 - 2 ขอโทษที",
      "slice_count": 2,
      "slices": "... |3 - 2 ขอโทษที |",
      "edit_duration": 6.617,
      "edit_duration_all": 9.389,
      "is_forceout": false
    },
    {
      "message_id": 156,
      "editor_id": 33,
      "message_received": "3 ลบออก 2 อันนี้ 3 นะลบออก 2 1",
      "slice_count": 4,
      "slices": "3 ลบออก 2 |อันนี้ 3 นะ |ลบออก 2 |1|",
      "edit_duration": 3.237,
      "edit_duration_all": 16.043,
      "is_forceout": true
    },
    {
      "message_id": 157,
      "editor_id": 33,
      "message_received": "2 เดือนเท่าไหร่คะ",
      "slice_count": 1,
      "slices": " 2 เเฃหลือเท่าไหร่คะ|",
      "edit_duration": 15.305,
      "edit_duration_all": 15.305,
      "is_forceout": false
    },
    {
      "message_id": 158,
      "editor_id": 33,
      "message_received": "เดี๋ยวคืนละ 1 ถูกไหมคะที่นี่คำตอบ 1 ตรงนี้",
      "slice_count": 3,
      "slices": " |เดี๋ยวละ 1 ถูกไหมคะ| ทีนีคำตอบ 1 ตรงนี้|",
      "edit_duration": 10.081,
      "edit_duration_all": 16.054,
      "is_forceout": true
    },
    {
      "message_id": 159,
      "editor_id": 33,
      "message_received": "จะเป็นบวกหรือลบให้เราดูที่ว่า",
      "slice_count": 1,
      "slices": " จะเป็นบวกหรือลบให้เราดูที่ว่า|",
      "edit_duration": 16.049,
      "edit_duration_all": 16.049,
      "is_forceout": true
    },
    {
      "message_id": 160,
      "editor_id": 33,
      "message_received": "ตัวที่มีค่ามากกว่า",
      "slice_count": 1,
      "slices": " ตัวที่มีค่ามากกว่า|",
      "edit_duration": 16.035,
      "edit_duration_all": 16.035,
      "is_forceout": true
    },
    {
      "message_id": 161,
      "editor_id": 33,
      "message_received": "ที่เรานำมาลบเนี่ย",
      "slice_count": 1,
      "slices": " ที่เรานำมาลบเนี่ย|",
      "edit_duration": 16.149,
      "edit_duration_all": 16.149,
      "is_forceout": true
    },
    {
      "message_id": 162,
      "editor_id": 36,
      "message_received": "หน้า",
      "slice_count": 1,
      "slices": "หน้า|",
      "edit_duration": 5.516,
      "edit_duration_all": 5.516,
      "is_forceout": false
    },
    {
      "message_id": 163,
      "editor_id": 36,
      "message_received": "หน้าตัวเลขตัวนี้",
      "slice_count": 2,
      "slices": "... |หน้าตัวเลขตัวนี้|",
      "edit_duration": 3.119,
      "edit_duration_all": 6.285,
      "is_forceout": false
    },
    {
      "message_id": 164,
      "editor_id": 36,
      "message_received": "เป็นสัญลักษณ์อะไร",
      "slice_count": 1,
      "slices": "เป็นสัญลักษณ์อะไร |",
      "edit_duration": 4.835,
      "edit_duration_all": 4.835,
      "is_forceout": false
    },
    {
      "message_id": 165,
      "editor_id": 36,
      "message_received": "อันนี้เป็นสีนักรบใช่ไหมคะคำตอบ 1 ตัวนี้ก็ต้องติดลบด้วยใช่ถูกต้องค่ะ",
      "slice_count": 3,
      "slices": "อันนี้เป็นสัญลักษณ์ลบใช่ไหมคะ คำตอบ 1 |ตัวนี้ก็ต้องติดลบด้วยใช่ถูกต้องค่ะ| |",
      "edit_duration": 8.01,
      "edit_duration_all": 16.024,
      "is_forceout": true
    },
    {
      "message_id": 166,
      "editor_id": 36,
      "message_received": "ว่าเราจะได้รูปแบบพจน์ทั่วๆไปก็คือ",
      "slice_count": 1,
      "slices": "ว่าเราจะได้รูปแบบพจน์ทั่ว ๆ ไปก็คือ|",
      "edit_duration": 16.012,
      "edit_duration_all": 16.012,
      "is_forceout": true
    },
    {
      "message_id": 167,
      "editor_id": 36,
      "message_received": "3n -",
      "slice_count": 1,
      "slices": " 3n -|",
      "edit_duration": 15.877,
      "edit_duration_all": 15.877,
      "is_forceout": false
    },
    {
      "message_id": 168,
      "editor_id": 36,
      "message_received": "วันนี้ที่มาของการหาพจน์ทั่วไป",
      "slice_count": 1,
      "slices": " 1 อันนี้ที่มาของการหาพจน์ทั่วไป|",
      "edit_duration": 11.845,
      "edit_duration_all": 11.845,
      "is_forceout": false
    },
    {
      "message_id": 169,
      "editor_id": 33,
      "message_received": "นี้หลังจากนี้ล่ะค่ะที่เราจะเรียนรู้เพิ่มนะคือ",
      "slice_count": 3,
      "slices": "นี้หลังจากนี้ล่ะค่ะ |ที่เราจะเรียนรู้เพิ่มนะ |คือ|",
      "edit_duration": 5.09,
      "edit_duration_all": 10.315,
      "is_forceout": false
    },
    {
      "message_id": 170,
      "editor_id": 33,
      "message_received": "เราจะหา",
      "slice_count": 1,
      "slices": " เราจะหา|",
      "edit_duration": 8.782,
      "edit_duration_all": 8.782,
      "is_forceout": false
    },
    {
      "message_id": 171,
      "editor_id": 33,
      "message_received": "4 พจน์แรกจากรูปแบบของพจน์ทั่วไปพรุ่งนี้",
      "slice_count": 2,
      "slices": " 4 พจน์แรก| จากรูปแบบของพจน์ทั่วไปตัวนี้|",
      "edit_duration": 4.759,
      "edit_duration_all": 11.397,
      "is_forceout": false
    },
    {
      "message_id": 172,
      "editor_id": 33,
      "message_received": "หน้าเหมือนกัปตันย้อนนะลูก",
      "slice_count": 2,
      "slices": " | เหมือนกับย้อนนะลูก|",
      "edit_duration": 8.455,
      "edit_duration_all": 15.451,
      "is_forceout": false
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      "editor_id": 33,
      "message_received": "ตอนแรกเราดูลำดับเลขคณิตมาเรามาหาพจน์ทั่วไป",
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      "slices": " ตอนแรกเราดูลำดับเลขคณิตมา| เรามาหาพจน์ทั่วไป |",
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      "message_id": 174,
      "editor_id": 36,
      "message_received": "แต่ต่อไปเนี่ย",
      "slice_count": 1,
      "slices": "แต่ต่อไปนี่|",
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      "message_id": 175,
      "editor_id": 36,
      "message_received": "เราจะหา",
      "slice_count": 2,
      "slices": " |เราจะหา|",
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      "message_id": 176,
      "editor_id": 36,
      "message_received": "ลําดับเลขคณิตตัวนี้จากรูปแบบพจน์ทั่วไป",
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      "slices": "ลำดับเลขคณิตตัวนี้ |จากรูปแบบพจน์ทั่วไป|",
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      "message_id": 177,
      "editor_id": 36,
      "message_received": "มาดูกันนะคะ",
      "slice_count": 2,
      "slices": " |มาดูกันนะคะ |",
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      "is_forceout": false
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    {
      "message_id": 178,
      "editor_id": 36,
      "message_received": "เร็วไปไหม",
      "slice_count": 1,
      "slices": "เร็วไปไหม|",
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      "message_id": 179,
      "editor_id": 36,
      "message_received": "ทันไหมคะ",
      "slice_count": 2,
      "slices": " |ทันไหมคะ |",
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    {
      "message_id": 180,
      "editor_id": 36,
      "message_received": "เข้าใจไหม",
      "slice_count": 1,
      "slices": "เข้าใจไหม |",
      "edit_duration": 3.034,
      "edit_duration_all": 3.034,
      "is_forceout": false
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    {
      "message_id": 181,
      "editor_id": 36,
      "message_received": "เข้าใจนะเข้าใจนะโอเคพรุ่งนี้มาดูค่ะ",
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      "slices": "เข้าใจนะ | ๆ โอเค |ทีนี้มาดูค่ะ |",
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      "is_forceout": false
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    {
      "message_id": 182,
      "editor_id": 36,
      "message_received": "เมื่อกี้เราได้รูปแบบทดทั่วไปเป็นตัวนี้มาใช่ไหมคะ",
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    {
      "message_id": 183,
      "editor_id": 33,
      "message_received": "3n - 1",
      "slice_count": 1,
      "slices": "3n - 1|",
      "edit_duration": 10.939,
      "edit_duration_all": 10.939,
      "is_forceout": false
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    {
      "message_id": 184,
      "editor_id": 33,
      "message_received": "สมมุติว่าจดให้มาเลยนะโทรไป",
      "slice_count": 2,
      "slices": " |สมมุติว่าโจทย์ให้มาเลยนะ ไป|",
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      "message_id": 185,
      "editor_id": 33,
      "message_received": "คือจะให้หนูให้ลูกๆเนี่ยหาสี่พจน์แรก",
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      "slices": " คือจะให้หนูให้ลูก ๆ นี่ |หาสี่พจน์แรก|",
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      "message_id": 186,
      "editor_id": 33,
      "message_received": "วัดศรีพจน์แรกคือเลขอะไรบ้าง",
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      "slices": " พจน์แรกคือเลขอะไรบ้าง |",
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      "is_forceout": true
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      "message_id": 187,
      "editor_id": 33,
      "message_received": "นะคะวิธีการไม่ยากเลยลูกกูจะบอกเลยว่าง่ายมากง่ายกว่าที่ผ่านมาเลย",
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      "message_id": 188,
      "editor_id": 36,
      "message_received": "อยู่ไหน",
      "slice_count": 1,
      "slices": "|",
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      "message_id": 189,
      "editor_id": 36,
      "message_received": "วิธีหาคำตอบแค่เราแทนค่า n",
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      "slices": "ดูนะ |วิธีหาคำตอบแค่เราแทนค่า n|",
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      "message_id": 190,
      "editor_id": 36,
      "message_received": "n คือตัวแปรที่ไม่ทราบค่าถูกไหมคะ",
      "slice_count": 2,
      "slices": " |n คือตัวแปรที่ไม่ทราบค่าถูกไหมคะ |",
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      "message_id": 191,
      "editor_id": 36,
      "message_received": "แม่เราแทนค่า n เนี่ย",
      "slice_count": 1,
      "slices": "แค่เราแทนค่า n นี่|",
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      "message_id": 192,
      "editor_id": 36,
      "message_received": "ไอ้พจน์ที่ 1",
      "slice_count": 1,
      "slices": " ด้วยไอ้พจน์ที่ 1|",
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      "message_id": 193,
      "editor_id": 36,
      "message_received": "พจน์ที่ 2",
      "slice_count": 2,
      "slices": " |พจน์ที่ 2|",
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      "message_id": 194,
      "editor_id": 36,
      "message_received": "ชุดที่ 3 และพจน์ที่ 4 ที่เราต้องการหาแค่นั้นเองลูก",
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      "message_id": 195,
      "editor_id": 33,
      "message_received": "แทนค่า n ด้วย 1 2 3 4",
      "slice_count": 1,
      "slices": "แทนค่า n ด้วย 1 2 3 4|",
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    {
      "message_id": 196,
      "editor_id": 33,
      "message_received": "ฉันเอง",
      "slice_count": 2,
      "slices": " |แค่นั้นเอง|",
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      "message_id": 197,
      "editor_id": 33,
      "message_received": "1 2 3 4 คือพจน์ที่ 1 พจน์ที่ 2 บทที่ 3 และพจน์ที่ 4 ที่เราต้องการหา",
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      "slices": " |เพราะ 1 2 3 4 คือพจน์ที่ 1 พจน์ที่ 2 บทที่ 3 และพจน์ที่ 4  |ที่เราต้องการหา|",
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      "is_forceout": false
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    {
      "message_id": 198,
      "editor_id": 33,
      "message_received": "ใช่ไหมคะ",
      "slice_count": 2,
      "slices": " |ง่ายไหมคะ |",
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      "is_forceout": false
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    {
      "message_id": 199,
      "editor_id": 33,
      "message_received": "มาพยักหน้าไงอาทิตย์นี้มาดูตัวอย่างนะคะ",
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      "slices": " ง่ายไหม |ง่าย |มาพยักหน้าอาทิตย์นี้มาดูตัวอย่างนะคะ |",
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      "is_forceout": true
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    {
      "message_id": 200,
      "editor_id": 33,
      "message_received": "จากรูปแบบพจน์ทั่วไปนะคะ a n =",
      "slice_count": 2,
      "slices": "จากรูปแบบพจน์ทั่วไปนะคะ | an = |",
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      "is_forceout": false
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    {
      "message_id": 201,
      "editor_id": 36,
      "message_received": "3n - 1",
      "slice_count": 1,
      "slices": "3n - 1|",
      "edit_duration": 3.996,
      "edit_duration_all": 3.996,
      "is_forceout": false
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    {
      "message_id": 202,
      "editor_id": 36,
      "message_received": "เราจะหาพจน์แรกก็คือ A 1",
      "slice_count": 2,
      "slices": " |เราจะหาพจน์แรก ก็คือ a1|",
      "edit_duration": 1.039,
      "edit_duration_all": 5.102,
      "is_forceout": false
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    {
      "message_id": 203,
      "editor_id": 36,
      "message_received": "เมื่อกี้บอกว่าทำยังไงคะแทนค่า n ด้วย",
      "slice_count": 3,
      "slices": " |เมื่อกี้บอกว่าทำอย่างไรคะ |แทนค่า n ด้วย|",
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      "edit_duration_all": 4.222,
      "is_forceout": false
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    {
      "message_id": 204,
      "editor_id": 36,
      "message_received": "เมื่อไหร่คะ",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 8.638,
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      "is_forceout": false
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    {
      "message_id": 205,
      "editor_id": 36,
      "message_received": "อะไรเอ่ย",
      "slice_count": 1,
      "slices": "ด้วยอะไรคะ ด้วยอะไรเอ่ย |",
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      "is_forceout": false
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    {
      "message_id": 206,
      "editor_id": 36,
      "message_received": "อันนี้ตอบได้ถ้าเราต้องการหาพจน์แรกเราให้แทนค่า n ด้วย 1 ถุง",
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      "slices": "อันนี้ตอบได้ |ถ้าเราต้องการหาพจน์แรกเราให้แทนค่า n ด้วย 1 ถ|",
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    {
      "message_id": 207,
      "editor_id": 36,
      "message_received": "มาแทนถ้าดูก็คือ A1 จะเท่ากับ",
      "slice_count": 3,
      "slices": "ูกต้องลูก |มาแทน |ถ้าดูก็คือ a1 จะเท่ากับ |",
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      "edit_duration_all": 14.619,
      "is_forceout": false
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    {
      "message_id": 208,
      "editor_id": 33,
      "message_received": "3",
      "slice_count": 1,
      "slices": "3|",
      "edit_duration": 5.739,
      "edit_duration_all": 5.739,
      "is_forceout": false
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    {
      "message_id": 209,
      "editor_id": 33,
      "message_received": "เหมือนเดิม",
      "slice_count": 1,
      "slices": " เหมือนเดิม |",
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      "is_forceout": false
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    {
      "message_id": 210,
      "editor_id": 33,
      "message_received": "เห็นด้วย 13 * 1 ชายแล้วลบด้วย 1",
      "slice_count": 2,
      "slices": " n ด้วย 13 x 1 ใช่ |แล้วลบด้วย 1|",
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      "edit_duration_all": 16.03,
      "is_forceout": true
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    {
      "message_id": 211,
      "editor_id": 33,
      "message_received": "มาดูค่ะ 3 * 1 ได้เท่าไหร่คะ",
      "slice_count": 2,
      "slices": " มาดูค่ะ 3 x 1| ได้เท่าไหร่คะ|",
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      "is_forceout": true
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    {
      "message_id": 212,
      "editor_id": 33,
      "message_received": "มีอยู่ 3 OK ถูกต้อง 3 * 1 ได้ 3 แต่มันลบออก 1",
      "slice_count": 2,
      "slices": "มีอยู่ 3 โอเค | ถูกต้อง 3 x 1 ได้ 3 แต่มันลบออก 1|",
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      "edit_duration_all": 16.134,
      "is_forceout": true
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    {
      "message_id": 213,
      "editor_id": 33,
      "message_received": "3 - 1",
      "slice_count": 1,
      "slices": "3 - 1|",
      "edit_duration": 14.923,
      "edit_duration_all": 14.923,
      "is_forceout": false
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    {
      "message_id": 214,
      "editor_id": 33,
      "message_received": "3 ลบออก 1",
      "slice_count": 2,
      "slices": "3 |ลบออก 1|",
      "edit_duration": 11.895,
      "edit_duration_all": 12.861,
      "is_forceout": false
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    {
      "message_id": 215,
      "editor_id": 33,
      "message_received": "2 ถูกต้อง",
      "slice_count": 2,
      "slices": "2| ถูกต้อง|",
      "edit_duration": 9.287,
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      "is_forceout": false
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      "message_id": 216,
      "editor_id": 33,
      "message_received": "กดที่ 1 และได้แล้วคือ 2",
      "slice_count": 2,
      "slices": " |พจน์ที่ 1 และได้แล้วคือ 2 |",
      "edit_duration": 6.896,
      "edit_duration_all": 11.752,
      "is_forceout": false
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    {
      "message_id": 217,
      "editor_id": 36,
      "message_received": "ไปมาคนที่ 2 ค่ะ",
      "slice_count": 1,
      "slices": "ต่อไปมาพจน์ที่ 2 ค่ะ |",
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    {
      "message_id": 218,
      "editor_id": 36,
      "message_received": "วันที่ 2 เราก็แทน n ด้วย",
      "slice_count": 1,
      "slices": "พจน์ที่ 2 เราก็แทน n ด้วย|",
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      "is_forceout": false
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    {
      "message_id": 219,
      "editor_id": 36,
      "message_received": "2",
      "slice_count": 1,
      "slices": " 2|",
      "edit_duration": 6.467,
      "edit_duration_all": 6.467,
      "is_forceout": false
    },
    {
      "message_id": 220,
      "editor_id": 36,
      "message_received": "iPad Air 2 นะคะชาย 2 ก็จะเท่ากับ",
      "slice_count": 3,
      "slices": " |แทน n ด้วย 2 นะคะ |ใช่ 2 ก็จะเท่ากับ|",
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      "edit_duration_all": 12.652,
      "is_forceout": false
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    {
      "message_id": 221,
      "editor_id": 36,
      "message_received": "เอา 3 คูณ",
      "slice_count": 1,
      "slices": " เอา 3x|",
      "edit_duration": 10.751,
      "edit_duration_all": 10.751,
      "is_forceout": false
    },
    {
      "message_id": 222,
      "editor_id": 36,
      "message_received": "2",
      "slice_count": 1,
      "slices": "2|",
      "edit_duration": 9.349,
      "edit_duration_all": 9.349,
      "is_forceout": false
    },
    {
      "message_id": 223,
      "editor_id": 36,
      "message_received": "ถูกต้องครับงวดที่ 2 แล้วก็ลบด้วย 1",
      "slice_count": 2,
      "slices": " |ถูกต้องครับ พจน์ที่ 2 แล้วก็ลบด้วย 1|",
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      "is_forceout": false
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    {
      "message_id": 224,
      "editor_id": 36,
      "message_received": "3 * 2 ได้เท่าไหร่คะ",
      "slice_count": 2,
      "slices": " |3 x 2 ได้เท่าไรคะ|",
      "edit_duration": 7.751,
      "edit_duration_all": 16.018,
      "is_forceout": true
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    {
      "message_id": 225,
      "editor_id": 36,
      "message_received": "3 * 2 อ่ะถูกต้อง 6 ได้ถูกต้องค่ะ",
      "slice_count": 2,
      "slices": " 3 x 2 ถูกต้อง| 6 ได้ถูกต้องค่ะ |",
      "edit_duration": 12.583,
      "edit_duration_all": 13.422,
      "is_forceout": false
    },
    {
      "message_id": 226,
      "editor_id": 33,
      "message_received": "งั้นลบออกนึง",
      "slice_count": 1,
      "slices": "จากนั้นลบออก|",
      "edit_duration": 16.337,
      "edit_duration_all": 16.337,
      "is_forceout": false
    },
    {
      "message_id": 227,
      "editor_id": 33,
      "message_received": "รอแป๊บนึง",
      "slice_count": 1,
      "slices": " 1 6|",
      "edit_duration": 14.681,
      "edit_duration_all": 14.681,
      "is_forceout": false
    },
    {
      "message_id": 228,
      "editor_id": 33,
      "message_received": "ถูกต้องคนนี้ถูกต้องถูกต้องค่ะ",
      "slice_count": 3,
      "slices": " ลบออก 1 |ถูกต้อง |คนนี้ถูกต้องถูกต้องค่ะ |",
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      "edit_duration_all": 13.477,
      "is_forceout": false
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    {
      "message_id": 229,
      "editor_id": 33,
      "message_received": "หาใช่ไหมต้องการไปหา",
      "slice_count": 1,
      "slices": " ใช่ไหมต้องการไปหา|",
      "edit_duration": 16.248,
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      "is_forceout": true
    },
    {
      "message_id": 230,
      "editor_id": 33,
      "message_received": "คำตอบที่ 2 คือ",
      "slice_count": 1,
      "slices": "คำตอบที่ 2 คือ|",
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      "is_forceout": true
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    {
      "message_id": 231,
      "editor_id": 33,
      "message_received": "ได้ไหม",
      "slice_count": 1,
      "slices": " ใช่ไหม |",
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      "edit_duration_all": 14.677,
      "is_forceout": false
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    {
      "message_id": 232,
      "editor_id": 33,
      "message_received": "ที่ 34 หาง่ายไหมคะ",
      "slice_count": 1,
      "slices": "ที่ 3 4 หาง่ายไหมคะ |",
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      "edit_duration_all": 13.269,
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    {
      "message_id": 233,
      "editor_id": 33,
      "message_received": "หาง่ายเลยก็คือแทน",
      "slice_count": 2,
      "slices": "ง่ายเลย |ก็คือแทน|",
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      "edit_duration_all": 16.042,
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    {
      "message_id": 234,
      "editor_id": 33,
      "message_received": "เกศาพระพุทธที่ 3 แผ่น n ด้วย",
      "slice_count": 1,
      "slices": "ที่ 3 แผ่น n ด้วย|",
      "edit_duration": 16.041,
      "edit_duration_all": 16.041,
      "is_forceout": true
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    {
      "message_id": 235,
      "editor_id": 36,
      "message_received": "สาด",
      "slice_count": 1,
      "slices": "|",
      "edit_duration": 7.018,
      "edit_duration_all": 7.018,
      "is_forceout": false
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    {
      "message_id": 236,
      "editor_id": 36,
      "message_received": "จะได้เป็น 3 x 3 ลบออก 1",
      "slice_count": 2,
      "slices": "3 |จะได้เป็น 3 x 3 ลบออก 1|",
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      "is_forceout": false
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    {
      "message_id": 237,
      "editor_id": 36,
      "message_received": "3 * 3 ได้เท่าไหร่คะ",
      "slice_count": 2,
      "slices": " |3 x 3 ได้เท่าไรคะ|",
      "edit_duration": 3.465,
      "edit_duration_all": 8.397,
      "is_forceout": false
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    {
      "message_id": 238,
      "editor_id": 36,
      "message_received": "จ่อยน่ารักมาก",
      "slice_count": 2,
      "slices": " |จ่อยน่ารักมาก|",
      "edit_duration": 4.637,
      "edit_duration_all": 5.773,
      "is_forceout": false
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    {
      "message_id": 239,
      "editor_id": 36,
      "message_received": "ตอบ 9 เร็วมากเลยนะถึงต้องทักอ้าวลูก",
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      "slices": " |ตอบ 9 เร็วมากเลยนะ |ถึงต้อง 9 ลูก|",
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      "edit_duration_all": 6.87,
      "is_forceout": false
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    {
      "message_id": 240,
      "editor_id": 36,
      "message_received": "ถูกต้องค่ะเหลือ 8 นั่นคือพจน์ที่ 3",
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      "slices": " |ถูกต้องค่ะ |เหลือ 8 นั่นคือพจน์ที่ 3|",
      "edit_duration": 2.212,
      "edit_duration_all": 5.866,
      "is_forceout": false
    },
    {
      "message_id": 241,
      "editor_id": 36,
      "message_received": "เท่ากับแปล",
      "slice_count": 2,
      "slices": " |เท่ากับ |",
      "edit_duration": 4.901,
      "edit_duration_all": 7.413,
      "is_forceout": false
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    {
      "message_id": 242,
      "editor_id": 36,
      "message_received": "ไปพจน์ที่ 4 แล้วนะคะ",
      "slice_count": 2,
      "slices": "8 |ไปพจน์ที่ 4 แล้วนะคะ |",
      "edit_duration": 4.896,
      "edit_duration_all": 5.671,
      "is_forceout": false
    },
    {
      "message_id": 243,
      "editor_id": 33,
      "message_received": "เอ็มด้วย 4",
      "slice_count": 1,
      "slices": "n ด้วย 4|",
      "edit_duration": 16.033,
      "edit_duration_all": 16.033,
      "is_forceout": true
    },
    {
      "message_id": 244,
      "editor_id": 33,
      "message_received": "3 * 4",
      "slice_count": 1,
      "slices": " 3 x 4|",
      "edit_duration": 15.584,
      "edit_duration_all": 15.584,
      "is_forceout": false
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    {
      "message_id": 245,
      "editor_id": 33,
      "message_received": "3 คูณ 4 เท่าถูกต้องน่ารักๆค่ะ 10 เท่าไหร่นะ 12 ลบออก 1 ค่ะ",
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      "edit_duration_all": 16.035,
      "is_forceout": true
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    {
      "message_id": 246,
      "editor_id": 33,
      "message_received": "ตั้งค่าเรือ 11 ชาย",
      "slice_count": 1,
      "slices": "ตั้งค่าเ 11 ชา|",
      "edit_duration": 16.033,
      "edit_duration_all": 16.033,
      "is_forceout": true
    },
    {
      "message_id": 247,
      "editor_id": 33,
      "message_received": "เห็นไหมคะพอเราได้ค่าออกมาแล้วเราก็สามารถสรุปได้ว่า",
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      "slices": "เห็นไหมคะ |พอเราได้ค่าออกมาแล้ว| เราก็สามารถสรุปได้ว่า|",
      "edit_duration": 13.052,
      "edit_duration_all": 16.037,
      "is_forceout": true
    },
    {
      "message_id": 248,
      "editor_id": 33,
      "message_received": "4 พจน์แรกที่เราหาเมื่อกี้จาก A1 A2 A3 A4",
      "slice_count": 3,
      "slices": "4 พจน์แรก |ที่เราหาเมื่อกี้จาก| A1 A2 A3 A4 |",
      "edit_duration": 13.311,
      "edit_duration_all": 15.739,
      "is_forceout": false
    },
    {
      "message_id": 249,
      "editor_id": 36,
      "message_received": "4 พจน์แรกคือ 2",
      "slice_count": 1,
      "slices": "4 พจน์แรกคือ 2|",
      "edit_duration": 2.902,
      "edit_duration_all": 2.902,
      "is_forceout": false
    },
    {
      "message_id": 250,
      "editor_id": 36,
      "message_received": "ไม่ตอบคะ",
      "slice_count": 2,
      "slices": " |อ|",
      "edit_duration": 1.67,
      "edit_duration_all": 6.933,
      "is_forceout": false
    },
    {
      "message_id": 251,
      "editor_id": 36,
      "message_received": "5",
      "slice_count": 1,
      "slices": "ะไรต่อคะ 5|",
      "edit_duration": 5.668,
      "edit_duration_all": 5.668,
      "is_forceout": false
    },
    {
      "message_id": 252,
      "editor_id": 36,
      "message_received": "8 และ 11 ง่ายไหม",
      "slice_count": 3,
      "slices": " |8 และ 11 |ง่ายไหม|",
      "edit_duration": 1.254,
      "edit_duration_all": 3.269,
      "is_forceout": false
    },
    {
      "message_id": 253,
      "editor_id": 36,
      "message_received": "ได้ไหมคะ",
      "slice_count": 2,
      "slices": " |ง่ายไหมคะ |",
      "edit_duration": 1.918,
      "edit_duration_all": 5.165,
      "is_forceout": false
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    {
      "message_id": 254,
      "editor_id": 36,
      "message_received": "ง่ายง่ายไหมลูก",
      "slice_count": 2,
      "slices": "ง่าย |ง่ายไหมลูก |",
      "edit_duration": 3.005,
      "edit_duration_all": 3.949,
      "is_forceout": false
    },
    {
      "message_id": 255,
      "editor_id": 36,
      "message_received": "ถ้าเราคูณเลขได้บวกเลขเป็นลบเลขคล่องง่าย",
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      "slices": "ถ้าเราคูณเลขได้ |บวกเลขเป็น |ลบเลขคล่อง |ง่าย|",
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      "edit_duration_all": 8.398,
      "is_forceout": false
    },
    {
      "message_id": 256,
      "editor_id": 36,
      "message_received": "ใช่ไหม",
      "slice_count": 1,
      "slices": "ใช่ไหม|",
      "edit_duration": 7.329,
      "edit_duration_all": 7.329,
      "is_forceout": false
    },
    {
      "message_id": 257,
      "editor_id": 36,
      "message_received": "ฉันต้องฝึกนะแม่สูตรคูณเองนะลูกสะอึกบ่อยๆ",
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      "edit_duration": 3.45,
      "edit_duration_all": 13.056,
      "is_forceout": false
    },
    {
      "message_id": 258,
      "editor_id": 36,
      "message_received": "เพราะคณิตศาสตร์นะลูกมันเกี่ยวกับเรื่องการบวก",
      "slice_count": 3,
      "slices": "เพราะ |คณิตศาสตร์นะลูก |มันเกี่ยวกับเรื่องการบวก |",
      "edit_duration": 10.494,
      "edit_duration_all": 15.773,
      "is_forceout": false
    },
    {
      "message_id": 259,
      "editor_id": 33,
      "message_received": "การลบ",
      "slice_count": 1,
      "slices": "การลบ|",
      "edit_duration": 6.36,
      "edit_duration_all": 6.36,
      "is_forceout": false
    },
    {
      "message_id": 260,
      "editor_id": 33,
      "message_received": "การคูณ",
      "slice_count": 1,
      "slices": " การคูณ|",
      "edit_duration": 5.051,
      "edit_duration_all": 5.051,
      "is_forceout": false
    },
    {
      "message_id": 261,
      "editor_id": 33,
      "message_received": "การหารแค่นี้เอง",
      "slice_count": 2,
      "slices": " การหาร |แค่นี้เอง|",
      "edit_duration": 3.655,
      "edit_duration_all": 4.997,
      "is_forceout": false
    },
    {
      "message_id": 262,
      "editor_id": 33,
      "message_received": "ใช่ไหมเรื่องนี้ก็แค่บวกแค่ลบ",
      "slice_count": 3,
      "slices": " |ใช่ไหม |เรื่องนี้ก็แค่บวกแค่ลบ|",
      "edit_duration": 2.506,
      "edit_duration_all": 11.201,
      "is_forceout": false
    },
    {
      "message_id": 263,
      "editor_id": 33,
      "message_received": "X ใช่ไหมลูกเอาให้คล่องตัวอย่างนึงก่อนที่ครูเจนจะให้ทำ",
      "slice_count": 5,
      "slices": "กับคูณ | ใช่ไหมลูก| เอาให้คล่อง |ตัวอย่างหนึ่งก่อนที่ครูเจน |จะให้ทำ|",
      "edit_duration": 5.887,
      "edit_duration_all": 14.941,
      "is_forceout": false
    },
    {
      "message_id": 264,
      "editor_id": 33,
      "message_received": "แบบฝึกอยู่ 5 ข้อ",
      "slice_count": 1,
      "slices": "แบบฝึกอยู่ 5 ข้อ|",
      "edit_duration": 12.757,
      "edit_duration_all": 12.757,
      "is_forceout": false
    },
    {
      "message_id": 265,
      "editor_id": 33,
      "message_received": "ใครออกมาทำให้ดูได้มีรางวัลให้ด้วย",
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      "slices": " |ใครออกมา |ทำให้ดูได้มีรางวัลให้ด้วย |",
      "edit_duration": 8.198,
      "edit_duration_all": 11.761,
      "is_forceout": false
    },
    {
      "message_id": 266,
      "editor_id": 36,
      "message_received": "ดูตัวอย่างต่อไปนะคะ",
      "slice_count": 1,
      "slices": "ดูตัวอย่างต่อไปนะคะ |",
      "edit_duration": 2.761,
      "edit_duration_all": 2.761,
      "is_forceout": false
    },
    {
      "message_id": 267,
      "editor_id": 36,
      "message_received": "ตัวอย่างนี้รูปแบบทดทั่วไปนะคะ = 2n + 2",
      "slice_count": 2,
      "slices": "ตัวอย่างนี้รูปแบบทดทั่วไปนะคะ an |= 2n + 2|",
      "edit_duration": 5.061,
      "edit_duration_all": 5.883,
      "is_forceout": false
    },
    {
      "message_id": 268,
      "editor_id": 36,
      "message_received": "วิธีการทำยังไงนะแทนค่า n",
      "slice_count": 3,
      "slices": " |วิธีการทำอย่างไรนะ |แทนค่า n|",
      "edit_duration": 1.063,
      "edit_duration_all": 5.118,
      "is_forceout": false
    },
    {
      "message_id": 269,
      "editor_id": 36,
      "message_received": "ด้วย",
      "slice_count": 1,
      "slices": " ด้วย|",
      "edit_duration": 3.721,
      "edit_duration_all": 3.721,
      "is_forceout": false
    },
    {
      "message_id": 270,
      "editor_id": 36,
      "message_received": "1",
      "slice_count": 1,
      "slices": " 1 |",
      "edit_duration": 2.442,
      "edit_duration_all": 2.442,
      "is_forceout": false
    },
    {
      "message_id": 271,
      "editor_id": 36,
      "message_received": "234 ถูกต้องค่ะ",
      "slice_count": 2,
      "slices": "2 3 4 |ถูกต้องค่ะ |",
      "edit_duration": 2.279,
      "edit_duration_all": 3.484,
      "is_forceout": false
    },
    {
      "message_id": 272,
      "editor_id": 36,
      "message_received": "แล้วก็จะหา A1 A2 A3 A4 ออกมา",
      "slice_count": 1,
      "slices": "เราก็จะหา a1 a2 a3 a4 ออกมา|",
      "edit_duration": 11.85,
      "edit_duration_all": 11.85,
      "is_forceout": false
    },
    {
      "message_id": 273,
      "editor_id": 36,
      "message_received": "ได้ตามนี้",
      "slice_count": 1,
      "slices": "ได้ตามนี้|",
      "edit_duration": 9.89,
      "edit_duration_all": 9.89,
      "is_forceout": false
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    {
      "message_id": 274,
      "editor_id": 36,
      "message_received": "ดูนะคะ",
      "slice_count": 2,
      "slices": " |ดูนะคะ |",
      "edit_duration": 8.619,
      "edit_duration_all": 9.297,
      "is_forceout": false
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    {
      "message_id": 275,
      "editor_id": 36,
      "message_received": "2n + 2 พจน์ที่ 1",
      "slice_count": 2,
      "slices": "2n + 2| พจน์ที่ 1 |",
      "edit_duration": 6.562,
      "edit_duration_all": 7.169,
      "is_forceout": false
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    {
      "message_id": 276,
      "editor_id": 33,
      "message_received": "เราก็แทนเอ็นด้วย 1 ใช่ไหม 2 * 1 เป็น",
      "slice_count": 2,
      "slices": "เราก็แทน an ด้วย 1 ใช่ไหม 2 x 1 |เป็น|",
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      "is_forceout": false
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    {
      "message_id": 277,
      "editor_id": 33,
      "message_received": "ถูกต้องค่ะ 2 + 2",
      "slice_count": 2,
      "slices": "ถูกต้อง |ค่ะ 2 + 2|",
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    {
      "message_id": 278,
      "editor_id": 33,
      "message_received": "เล่นฟรีถูกต้องค่ะพวกแรกคือ 4",
      "slice_count": 2,
      "slices": " เป็น 4 |ถูกต้องค่ะ พวกแรกคือ 4|",
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      "is_forceout": false
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    {
      "message_id": 279,
      "editor_id": 33,
      "message_received": "บทที่ 2",
      "slice_count": 2,
      "slices": " |บทที่ 2|",
      "edit_duration": 13.256,
      "edit_duration_all": 16.032,
      "is_forceout": true
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    {
      "message_id": 280,
      "editor_id": 33,
      "message_received": "2 * 2",
      "slice_count": 1,
      "slices": " 2 x  2|",
      "edit_duration": 16.066,
      "edit_duration_all": 16.066,
      "is_forceout": true
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    {
      "message_id": 281,
      "editor_id": 33,
      "message_received": "2 * 2 = ถูกต้องค่ะ 4 บวกอีก 2",
      "slice_count": 2,
      "slices": " 2 x 2 = ถูกต้องค่ะ| 4 บวกอีก 2|",
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    {
      "message_id": 282,
      "editor_id": 33,
      "message_received": "อีก 2",
      "slice_count": 2,
      "slices": " |อีก 2|",
      "edit_duration": 15.089,
      "edit_duration_all": 16.05,
      "is_forceout": false
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    {
      "message_id": 283,
      "editor_id": 33,
      "message_received": "ถูกต้องค่ะจอยตอบถูกแม่เป็น 6 นะคะเก่งมาก",
      "slice_count": 4,
      "slices": "ถูกต้องค่ะ |จ่อยตอบถูก |เป็น 6 นะคะ |เก่งมาก |",
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      "is_forceout": false
    },
    {
      "message_id": 284,
      "editor_id": 36,
      "message_received": "32 เป็นถูกต้องค่ะ 6",
      "slice_count": 2,
      "slices": "3 x 2 เป็น |ถูกต้องค่ะ 6|",
      "edit_duration": 6.19,
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      "is_forceout": false
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    {
      "message_id": 285,
      "editor_id": 36,
      "message_received": "6 หน้า 6",
      "slice_count": 2,
      "slices": " 6 |6|",
      "edit_duration": 6.648,
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      "is_forceout": false
    },
    {
      "message_id": 286,
      "editor_id": 36,
      "message_received": "32 เป็น 64 บวกอีก 2 เซน",
      "slice_count": 3,
      "slices": " 3 |2 เป็น 6 |4 บวกอีก 2 |",
      "edit_duration": 7.002,
      "edit_duration_all": 12.822,
      "is_forceout": false
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    {
      "message_id": 287,
      "editor_id": 36,
      "message_received": "ถูกต้องค่ะเก่งจังเลยวันนี้ตอบได้ทุกคน",
      "slice_count": 3,
      "slices": "เป็น |ถูกต้องค่ะ |เก่งจังเลยวันนี้ตอบได้ทุกคน|",
      "edit_duration": 8.107,
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      "is_forceout": false
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    {
      "message_id": 288,
      "editor_id": 36,
      "message_received": "นักโทษที่ 4",
      "slice_count": 2,
      "slices": " |ที่ 4|",
      "edit_duration": 8.175,
      "edit_duration_all": 13.483,
      "is_forceout": false
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    {
      "message_id": 289,
      "editor_id": 36,
      "message_received": "2 * 4 เบนซ์",
      "slice_count": 2,
      "slices": " 2 x  4 |เ|",
      "edit_duration": 11.37,
      "edit_duration_all": 13.776,
      "is_forceout": false
    },
    {
      "message_id": 290,
      "editor_id": 36,
      "message_received": "ต้องเป็น 8 นะคะเป็น 10 เก่งมาค่ะเพราะฉะนั้น 4 พจน์แรก",
      "slice_count": 4,
      "slices": "ป็น |ต้องเป็น 8 นะคะ |เป็น 10 เก่งมาค่ะ |เพราะฉะนั้น 4 พจน์แรก |",
      "edit_duration": 5.94,
      "edit_duration_all": 9.922,
      "is_forceout": false
    },
    {
      "message_id": 291,
      "editor_id": 33,
      "message_received": "ของ",
      "slice_count": 1,
      "slices": "ของ|",
      "edit_duration": 6.711,
      "edit_duration_all": 6.711,
      "is_forceout": false
    },
    {
      "message_id": 292,
      "editor_id": 33,
      "message_received": "พจน์ทั่วไปตัวนี้ก็จะเป็นอะไรคะ",
      "slice_count": 2,
      "slices": "พจน์ทั่วไป |ตัวนี้ก็จะเป็นอะไรคะ |",
      "edit_duration": 2.955,
      "edit_duration_all": 9.764,
      "is_forceout": false
    },
    {
      "message_id": 293,
      "editor_id": 33,
      "message_received": "6 และ 10",
      "slice_count": 1,
      "slices": "4 8 6 และ 10|",
      "edit_duration": 6.661,
      "edit_duration_all": 6.661,
      "is_forceout": false
    },
    {
      "message_id": 294,
      "editor_id": 33,
      "message_received": "ใช่ไหมเข้าใจใช่ไหมคะ",
      "slice_count": 2,
      "slices": " ง่ายใช่ไหม |เข้าใจใช่ไหมคะ |",
      "edit_duration": 12.372,
      "edit_duration_all": 13.012,
      "is_forceout": false
    },
    {
      "message_id": 295,
      "editor_id": 33,
      "message_received": "เข้าใจนะโอเคไม่มีคำถามนะ",
      "slice_count": 2,
      "slices": "เข้าใจนะ| โอเค ไม่มีคำถามนะ|",
      "edit_duration": 10.322,
      "edit_duration_all": 12.345,
      "is_forceout": false
    },
    {
      "message_id": 296,
      "editor_id": 33,
      "message_received": "มีไหม",
      "slice_count": 1,
      "slices": " มีไหม|",
      "edit_duration": 12.188,
      "edit_duration_all": 12.188,
      "is_forceout": false
    },
    {
      "message_id": 297,
      "editor_id": 33,
      "message_received": "ไม่มีมันมีแบบฝึกให้ทำ",
      "slice_count": 3,
      "slices": " |ไม่มี |อย่างนั้นมีแบบฝึกให้ทำ|",
      "edit_duration": 9.382,
      "edit_duration_all": 16.06,
      "is_forceout": true
    },
    {
      "message_id": 298,
      "editor_id": 33,
      "message_received": "ตัวอย่างที่ 2",
      "slice_count": 1,
      "slices": " ตัวอย่างที่ 2|",
      "edit_duration": 16.034,
      "edit_duration_all": 16.034,
      "is_forceout": true
    },
    {
      "message_id": 299,
      "editor_id": 33,
      "message_received": "นี่คือแบบฝึกหัด",
      "slice_count": 2,
      "slices": " นี่ |คือแบบฝึกหัด|",
      "edit_duration": 14.171,
      "edit_duration_all": 15.651,
      "is_forceout": false
    },
    {
      "message_id": 300,
      "editor_id": 33,
      "message_received": "ให้นักเรียนนะคะหา 4 พจน์แรกของลำดับต่อไปนี้",
      "slice_count": 4,
      "slices": " |ให้นักเรียนนะคะ| หา 4 พจน์แรก |ของลำดับต่อไปนี้ |",
      "edit_duration": 10.857,
      "edit_duration_all": 14.301,
      "is_forceout": false
    },
    {
      "message_id": 301,
      "editor_id": 36,
      "message_received": "ทำใส่สมุดนะคะ",
      "slice_count": 1,
      "slices": "ทำใส่สมุดนะคะ |",
      "edit_duration": 2.914,
      "edit_duration_all": 2.914,
      "is_forceout": false
    },
    {
      "message_id": 302,
      "editor_id": 36,
      "message_received": "ให้เวลาเท่าไหร่ดีคะ",
      "slice_count": 1,
      "slices": "ให้เวลาเท่าไรดีคะ |",
      "edit_duration": 3.293,
      "edit_duration_all": 3.293,
      "is_forceout": false
    },
    {
      "message_id": 303,
      "editor_id": 36,
      "message_received": "ได้ไหมคะออกมาทำดีกว่าเนาะ",
      "slice_count": 2,
      "slices": "ได้ไหมคะ| ออกมาทำดีกว่านะ|",
      "edit_duration": 2.445,
      "edit_duration_all": 4.763,
      "is_forceout": false
    },
    {
      "message_id": 304,
      "editor_id": 36,
      "message_received": "ใครทำข้อไหนคะเลือกเลย",
      "slice_count": 3,
      "slices": " |ใครทำข้อไหนคะ |เลือกเลย |",
      "edit_duration": 2.093,
      "edit_duration_all": 3.669,
      "is_forceout": false
    },
    {
      "message_id": 305,
      "editor_id": 36,
      "message_received": "แทนค่าเหมือนเมื่อกี้เลยลูกแทนค่า n ด้วย 1 2 3 4",
      "slice_count": 2,
      "slices": "แทนค่าเหมือนเมื่อกี้เลยลูก |แทนค่า n ด้วย 1 2 3 4 |",
      "edit_duration": 2.025,
      "edit_duration_all": 3.245,
      "is_forceout": false
    },
    {
      "message_id": 306,
      "editor_id": 36,
      "message_received": "ออกมา 1 คนเหรอมาทำให้ดูหน่อย",
      "slice_count": 3,
      "slices": "ออกมา 1 คน|เร็ว |มาทำให้ดูหน่อย |",
      "edit_duration": 2.263,
      "edit_duration_all": 6.012,
      "is_forceout": false
    },
    {
      "message_id": 307,
      "editor_id": 33,
      "message_received": "สะกิดกันสะกิดกันช่วยกันเก่งมาก",
      "slice_count": 4,
      "slices": "สะกิดกัน |สะกิดกัน| มาเลยค่ะ |เก่งมาก|",
      "edit_duration": 8.071,
      "edit_duration_all": 16.243,
      "is_forceout": true
    },
    {
      "message_id": 308,
      "editor_id": 33,
      "message_received": "ข้อ 1 นะคะ",
      "slice_count": 1,
      "slices": " ข้อ 1 นะคะ |",
      "edit_duration": 7.217,
      "edit_duration_all": 7.217,
      "is_forceout": false
    },
    {
      "message_id": 309,
      "editor_id": 33,
      "message_received": "2n +",
      "slice_count": 1,
      "slices": "2n +|",
      "edit_duration": 9.082,
      "edit_duration_all": 9.082,
      "is_forceout": false
    },
    {
      "message_id": 310,
      "editor_id": 33,
      "message_received": "OK",
      "slice_count": 1,
      "slices": " 5 โอเค |",
      "edit_duration": 6.706,
      "edit_duration_all": 6.706,
      "is_forceout": false
    },
    {
      "message_id": 311,
      "editor_id": 33,
      "message_received": "อันดับแรกทำไงคะ",
      "slice_count": 1,
      "slices": " อันดับแรกทำไงคะ |",
      "edit_duration": 4,
      "edit_duration_all": 4,
      "is_forceout": false
    },
    {
      "message_id": 312,
      "editor_id": 33,
      "message_received": "เราต้องหาอะไรคะที่ 1 ก่อน",
      "slice_count": 3,
      "slices": " n แทน n ด้วย |เราต้องหาอะไรคะ|พจน์ที่ 1 ก่อน|",
      "edit_duration": 6.701,
      "edit_duration_all": 14.23,
      "is_forceout": false
    },
    {
      "message_id": 313,
      "editor_id": 33,
      "message_received": "หาสี่พจน์แรกใช่ไหมอ่ะพวกที่ 1 ชายขาย A1",
      "slice_count": 3,
      "slices": " |หา 4 พจน์แรกใช่ไหม |พวกที่ 1 ชายขาย A1|",
      "edit_duration": 9.953,
      "edit_duration_all": 16.109,
      "is_forceout": true
    },
    {
      "message_id": 314,
      "editor_id": 33,
      "message_received": "ใช่ = ด้วย = =",
      "slice_count": 1,
      "slices": " ใช่ = ด้วย = =|",
      "edit_duration": 14.131,
      "edit_duration_all": 14.131,
      "is_forceout": false
    },
    {
      "message_id": 315,
      "editor_id": 33,
      "message_received": "เท่ากับเราต้องเท่ากับตัวนี้ด้วยลูก",
      "slice_count": 3,
      "slices": " |เท่ากับ |เราต้องเท่ากับตัวนี้ด้วยลูก |",
      "edit_duration": 9.95,
      "edit_duration_all": 12.06,
      "is_forceout": false
    },
    {
      "message_id": 316,
      "editor_id": 36,
      "message_received": "OK",
      "slice_count": 1,
      "slices": "โ|",
      "edit_duration": 4.877,
      "edit_duration_all": 4.877,
      "is_forceout": false
    },
    {
      "message_id": 317,
      "editor_id": 36,
      "message_received": "บทที่ 1 บทที่ 1",
      "slice_count": 2,
      "slices": "อเค |พจน์ที่ 1 พจน์ที่ 1|",
      "edit_duration": 2.799,
      "edit_duration_all": 8.218,
      "is_forceout": false
    },
    {
      "message_id": 318,
      "editor_id": 36,
      "message_received": "เล่นลูก n n",
      "slice_count": 2,
      "slices": " |n ลูก n |",
      "edit_duration": 6.724,
      "edit_duration_all": 12.154,
      "is_forceout": false
    },
    {
      "message_id": 319,
      "editor_id": 36,
      "message_received": "ถ้าพจน์ที่ 1 เอ็งก็ต้องเท่ากับ",
      "slice_count": 2,
      "slices": "ถ้าพจน์ที่ 1 |n ก็ต้องเท่ากับ|",
      "edit_duration": 8.499,
      "edit_duration_all": 15.036,
      "is_forceout": false
    },
    {
      "message_id": 320,
      "editor_id": 36,
      "message_received": "ใช่ไหม",
      "slice_count": 1,
      "slices": " 1 ใช่ไหม|",
      "edit_duration": 13.429,
      "edit_duration_all": 13.429,
      "is_forceout": false
    },
    {
      "message_id": 321,
      "editor_id": 36,
      "message_received": "ถูกต้องค่ะถ้าพจน์ที่ 12 เท่ากับ 1",
      "slice_count": 4,
      "slices": " |ถูกต้องค่ะ |ถ้าพจน์ที่ 1 |2 เท่ากับ 1|",
      "edit_duration": 8.542,
      "edit_duration_all": 11.459,
      "is_forceout": false
    },
    {
      "message_id": 322,
      "editor_id": 36,
      "message_received": "2 * 1 + อะไรลูก",
      "slice_count": 2,
      "slices": " |2 x 1 บวกอะไรลูก|",
      "edit_duration": 8.581,
      "edit_duration_all": 14.303,
      "is_forceout": false
    },
    {
      "message_id": 323,
      "editor_id": 36,
      "message_received": "บวกห้าชายค่ะ",
      "slice_count": 2,
      "slices": " |บวก 5  ใชค่ะ |",
      "edit_duration": 11.375,
      "edit_duration_all": 16.014,
      "is_forceout": true
    },
    {
      "message_id": 324,
      "editor_id": 36,
      "message_received": "ลองกินหมากใช้ค่ะ",
      "slice_count": 1,
      "slices": "ลองกินหมาใช้ค่ะ |",
      "edit_duration": 16.013,
      "edit_duration_all": 16.013,
      "is_forceout": true
    },
    {
      "message_id": 325,
      "editor_id": 36,
      "message_received": "หาคำตอบต่อไป 2 * 1",
      "slice_count": 1,
      "slices": "หาคำตอบต่อไป 2 x 1 |",
      "edit_duration": 15.916,
      "edit_duration_all": 15.916,
      "is_forceout": false
    },
    {
      "message_id": 326,
      "editor_id": 33,
      "message_received": "เป็น 2+ กับ 5",
      "slice_count": 1,
      "slices": "เป็น 2+ กับ 5 |",
      "edit_duration": 3.415,
      "edit_duration_all": 3.415,
      "is_forceout": false
    },
    {
      "message_id": 327,
      "editor_id": 33,
      "message_received": "ร้าน A 1 = 7 เหลี่ยมมากเพื่อนหน่อย",
      "slice_count": 2,
      "slices": " a1 = 7 เยี่ยมมาก| เพื่อนหน่อย|",
      "edit_duration": 15.71,
      "edit_duration_all": 16.073,
      "is_forceout": true
    },
    {
      "message_id": 328,
      "editor_id": 33,
      "message_received": "เก่งมาก",
      "slice_count": 1,
      "slices": "เก่งมาก|",
      "edit_duration": 16.043,
      "edit_duration_all": 16.043,
      "is_forceout": true
    },
    {
      "message_id": 329,
      "editor_id": 33,
      "message_received": "2 ต่อเลยค่ะ",
      "slice_count": 2,
      "slices": "2 ต่อเลยค่ะ| |",
      "edit_duration": 15.432,
      "edit_duration_all": 16.041,
      "is_forceout": true
    },
    {
      "message_id": 330,
      "editor_id": 33,
      "message_received": "ตัวที่ 2",
      "slice_count": 1,
      "slices": "ตัวที่ 2|",
      "edit_duration": 16.038,
      "edit_duration_all": 16.038,
      "is_forceout": false
    },
    {
      "message_id": 331,
      "editor_id": 33,
      "message_received": "4 คนนะลูกคนที่ 2",
      "slice_count": 2,
      "slices": "4 คนนะ |ลูกคนที่ 2|",
      "edit_duration": 10.842,
      "edit_duration_all": 12.591,
      "is_forceout": false
    },
    {
      "message_id": 332,
      "editor_id": 33,
      "message_received": "พจน์ที่ 2",
      "slice_count": 2,
      "slices": " |พจน์ที่ 2|",
      "edit_duration": 8.698,
      "edit_duration_all": 9.466,
      "is_forceout": false
    },
    {
      "message_id": 333,
      "editor_id": 33,
      "message_received": "หาพจน์ที่ 2 ไม่ใช่ไม่ใช่ข้อที่ 2 ลูก",
      "slice_count": 3,
      "slices": " |หาพจน์ที่ 2 ไม่ใช่ |ไม่ใช่ข้อที่ 2 ลูก|",
      "edit_duration": 6.49,
      "edit_duration_all": 9.945,
      "is_forceout": false
    },
    {
      "message_id": 334,
      "editor_id": 33,
      "message_received": "หาพจน์ที่ 2",
      "slice_count": 1,
      "slices": " หาพจน์ที่ 2|",
      "edit_duration": 8.978,
      "edit_duration_all": 8.978,
      "is_forceout": false
    },
    {
      "message_id": 335,
      "editor_id": 33,
      "message_received": "หัวข้อเราคือหา 4 พจน์แรกเป็น 4 พจน์แรก",
      "slice_count": 2,
      "slices": " หัวข้อเราคือหา 4 พจน์แรก |เป็น 4 พจน์แรก |",
      "edit_duration": 5.429,
      "edit_duration_all": 6.03,
      "is_forceout": false
    },
    {
      "message_id": 336,
      "editor_id": 36,
      "message_received": "อันนี้คือพจน์ที่ 1",
      "slice_count": 1,
      "slices": "อันนี้คือพจน์ที่ 1|",
      "edit_duration": 3.574,
      "edit_duration_all": 3.574,
      "is_forceout": false
    },
    {
      "message_id": 337,
      "editor_id": 36,
      "message_received": "ไปพจน์ที่ 2 n เท่ากับ 2 ไง",
      "slice_count": 2,
      "slices": " |ต่อไปพจน์ที่ 2n = 2 ไง|",
      "edit_duration": 1.075,
      "edit_duration_all": 7.451,
      "is_forceout": false
    },
    {
      "message_id": 338,
      "editor_id": 36,
      "message_received": "Annabelle 2",
      "slice_count": 2,
      "slices": " |แทน n = 2|",
      "edit_duration": 5.762,
      "edit_duration_all": 16.015,
      "is_forceout": true
    },
    {
      "message_id": 339,
      "editor_id": 36,
      "message_received": "London",
      "slice_count": 1,
      "slices": "|",
      "edit_duration": 15.057,
      "edit_duration_all": 15.057,
      "is_forceout": false
    },
    {
      "message_id": 340,
      "editor_id": 36,
      "message_received": "ทำต่อไหม",
      "slice_count": 1,
      "slices": " ทำต่อไหม|",
      "edit_duration": 12.184,
      "edit_duration_all": 12.184,
      "is_forceout": false
    },
    {
      "message_id": 341,
      "editor_id": 36,
      "message_received": "ไม่เสร็จนะ",
      "slice_count": 2,
      "slices": " ||",
      "edit_duration": 9.887,
      "edit_duration_all": 12.935,
      "is_forceout": false
    },
    {
      "message_id": 342,
      "editor_id": 36,
      "message_received": "หาพจน์ที่ 2 ลูกเอ็น",
      "slice_count": 2,
      "slices": "หาพจน์ที่ 2 ลูก||",
      "edit_duration": 7.869,
      "edit_duration_all": 16.009,
      "is_forceout": true
    },
    {
      "message_id": 343,
      "editor_id": 36,
      "message_received": "n = 2 ก็คือหา A2 A1 ได้แล้วใช่ไหมจะไปหาเอ 2",
      "slice_count": 2,
      "slices": "n = 2 ก็คือหา a2 a1 ได้แล้วใช่ไหม |จะไปหาa2|",
      "edit_duration": 12.057,
      "edit_duration_all": 15.328,
      "is_forceout": false
    },
    {
      "message_id": 344,
      "editor_id": 36,
      "message_received": "A2 ชายหาย A2",
      "slice_count": 2,
      "slices": " |a2 ใช่ ๆ  A2|",
      "edit_duration": 10.188,
      "edit_duration_all": 16.016,
      "is_forceout": true
    },
    {
      "message_id": 345,
      "editor_id": 33,
      "message_received": "ดูตัวอย่างนี้นะลูกเห็นไหมเราหาได้แล้วจะไปหาเอ 2",
      "slice_count": 3,
      "slices": "ดูตัวอย่างนี้นะลูก |เห็นไหม |เราหาได้แล้วจะไปหา n 2|",
      "edit_duration": 8.285,
      "edit_duration_all": 16.212,
      "is_forceout": true
    },
    {
      "message_id": 346,
      "editor_id": 33,
      "message_received": "ได้ค่ะ",
      "slice_count": 1,
      "slices": "ได้ค่ะ |",
      "edit_duration": 16.244,
      "edit_duration_all": 16.244,
      "is_forceout": true
    },
    {
      "message_id": 347,
      "editor_id": 33,
      "message_received": "ra2 แล้วก็ต้องแทนเอ็นด้วย 2 ใช่ไหมคะ",
      "slice_count": 2,
      "slices": "a2 |แล้วก็ต้องแทน n ด้วย 2 ใช่ไหมคะ |",
      "edit_duration": 12.131,
      "edit_duration_all": 16.032,
      "is_forceout": true
    },
    {
      "message_id": 348,
      "editor_id": 33,
      "message_received": "Android 2",
      "slice_count": 1,
      "slices": "Android 2|",
      "edit_duration": 16.035,
      "edit_duration_all": 16.035,
      "is_forceout": true
    },
    {
      "message_id": 349,
      "editor_id": 33,
      "message_received": "จะได้เป็น 2",
      "slice_count": 1,
      "slices": "จะได้เป็น 2|",
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      "message_id": 350,
      "editor_id": 33,
      "message_received": "ใช่ค่ะ 2 x",
      "slice_count": 2,
      "slices": " |ใช่ค่ะ 2 x|",
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      "edit_duration_all": 8.108,
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      "message_id": 351,
      "editor_id": 33,
      "message_received": "2 คูณอะไรเอ่ย",
      "slice_count": 2,
      "slices": "2  |คูณอะไรเอ่ย|",
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      "message_id": 352,
      "editor_id": 33,
      "message_received": "22",
      "slice_count": 2,
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      "is_forceout": false
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      "message_id": 353,
      "editor_id": 33,
      "message_received": "2",
      "slice_count": 1,
      "slices": " 2|",
      "edit_duration": 14.896,
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      "is_forceout": false
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    {
      "message_id": 354,
      "editor_id": 33,
      "message_received": "2 คูณ",
      "slice_count": 1,
      "slices": " 2 คูณ|",
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      "is_forceout": false
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      "message_id": 355,
      "editor_id": 33,
      "message_received": "A2 A2 ไม่ใช่ข้อ 2 นะหา A 2 เห็นไหม",
      "slice_count": 2,
      "slices": " a2 a2 ไม่ใช่ข้อ 2 นะ| หา a2 เห็นไหม |",
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      "message_id": 356,
      "editor_id": 36,
      "message_received": "เห็นไอ้ 2 ตัวนี้ไหมลูก",
      "slice_count": 1,
      "slices": "เห็น a2 ตัวนี้ไหมลูก |",
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      "is_forceout": false
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    {
      "message_id": 357,
      "editor_id": 36,
      "message_received": "สองคนนี้ใช่ไหมอันนี้ 1 รหัสได้แล้วก็คือเจ็บใช่ไหมคะจะไปหาเอ 2",
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      "slices": "a2 อันนี้ใช่ไหมอันนี้ |1 รหัสได้แล้วก็คือใช่ไหมคะ จะไปหา a2|",
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      "edit_duration_all": 16.017,
      "is_forceout": true
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    {
      "message_id": 358,
      "editor_id": 36,
      "message_received": "จากรูปแบบทดทั่วไปอันเดียวกันนะคะ",
      "slice_count": 2,
      "slices": " |จากรูปแบบพจน์ทั่วไปอันเดียวกันนะคะ |",
      "edit_duration": 11.707,
      "edit_duration_all": 15.218,
      "is_forceout": false
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    {
      "message_id": 359,
      "editor_id": 36,
      "message_received": "เราเปลี่ยนเองตรงนี้เห็นไหมลูกเปลี่ยนเอนจาก 1 เป็น 2",
      "slice_count": 3,
      "slices": "เ|ราเปลี่ยน n |ตรงนี้เห็นไหมลูกเปลี่ยน nจาก 1 เป็น 2|",
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      "edit_duration_all": 16.012,
      "is_forceout": true
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    {
      "message_id": 360,
      "editor_id": 33,
      "message_received": "เออวันนั้นตรงนั้นก็จะเป็น 22 x",
      "slice_count": 2,
      "slices": "ตัวนั้นตรงนั้นก็จะเป็น 2 |2 x|",
      "edit_duration": 11.76,
      "edit_duration_all": 16.05,
      "is_forceout": true
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    {
      "message_id": 361,
      "editor_id": 33,
      "message_received": "2 * n = 2 - 2 * 2 ชาย",
      "slice_count": 1,
      "slices": " 2 x n = 2 - 2 x 2 ใ|",
      "edit_duration": 16.049,
      "edit_duration_all": 16.049,
      "is_forceout": true
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    {
      "message_id": 362,
      "editor_id": 33,
      "message_received": "2 * 2",
      "slice_count": 2,
      "slices": "ช่ |2 x 2|",
      "edit_duration": 14.232,
      "edit_duration_all": 16.036,
      "is_forceout": true
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    {
      "message_id": 363,
      "editor_id": 33,
      "message_received": "เปลี่ยนเอ็นนะลูกเพราะเราแทนค่า n = 2 ไง",
      "slice_count": 1,
      "slices": "เปลี่ยน n นะลูกเพราะเราแทนค่า n = 2 ไง|",
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      "is_forceout": true
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    {
      "message_id": 364,
      "editor_id": 36,
      "message_received": "โอเคนะคะน้องหา A2 ได้แล้วนะคะ",
      "slice_count": 2,
      "slices": "โอเคนะคะ |น้องหา a2 ได้แล้วนะคะ |",
      "edit_duration": 1.468,
      "edit_duration_all": 4.51,
      "is_forceout": false
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    {
      "message_id": 365,
      "editor_id": 36,
      "message_received": "คือ 2 * 2 + 5",
      "slice_count": 1,
      "slices": "คือ 2 x 2 + 5 |",
      "edit_duration": 4.622,
      "edit_duration_all": 4.622,
      "is_forceout": false
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    {
      "message_id": 366,
      "editor_id": 36,
      "message_received": "เท่ากับ 4 + 5 = 9 ถูกต้อง",
      "slice_count": 2,
      "slices": "นะคะ |เท่ากับ 4 + 5 = 9 ถูกต้อง|",
      "edit_duration": 2.442,
      "edit_duration_all": 4.17,
      "is_forceout": false
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    {
      "message_id": 367,
      "editor_id": 36,
      "message_received": "Ice Age 3",
      "slice_count": 1,
      "slices": "นะคะ ต่อไป a3|",
      "edit_duration": 13.055,
      "edit_duration_all": 13.055,
      "is_forceout": false
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    {
      "message_id": 368,
      "editor_id": 36,
      "message_received": "32 * แทนด้วย 3 2 * 3",
      "slice_count": 2,
      "slices": " 3 x 2  แทนด้วย 3| 2 x 3|",
      "edit_duration": 8.075,
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      "is_forceout": false
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    {
      "message_id": 369,
      "editor_id": 36,
      "message_received": "ใช่ 2 * 3",
      "slice_count": 1,
      "slices": " ใช่ 2 x 3|",
      "edit_duration": 11.142,
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      "is_forceout": false
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    {
      "message_id": 370,
      "editor_id": 36,
      "message_received": "ถูกต้องค่ะ",
      "slice_count": 1,
      "slices": " ถูกต้องค่ะ |",
      "edit_duration": 9.887,
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      "is_forceout": false
    },
    {
      "message_id": 371,
      "editor_id": 36,
      "message_received": "+ 5",
      "slice_count": 1,
      "slices": "บวก 5|",
      "edit_duration": 10.981,
      "edit_duration_all": 10.981,
      "is_forceout": false
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    {
      "message_id": 372,
      "editor_id": 36,
      "message_received": "เยี่ยมมากค่ะ",
      "slice_count": 2,
      "slices": " |เยี่ยมมากค่ะ |",
      "edit_duration": 8.369,
      "edit_duration_all": 9.007,
      "is_forceout": false
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    {
      "message_id": 373,
      "editor_id": 36,
      "message_received": "2 * 3 ได้เท่าไหร่คะช่วยกันตอบ",
      "slice_count": 2,
      "slices": "2 x 3 ได้เท่าไรคะ |ช่วยกันตอบ|",
      "edit_duration": 10.039,
      "edit_duration_all": 11.171,
      "is_forceout": false
    },
    {
      "message_id": 374,
      "editor_id": 36,
      "message_received": "2 * 3",
      "slice_count": 2,
      "slices": " |2 x 3|",
      "edit_duration": 9.716,
      "edit_duration_all": 16.015,
      "is_forceout": true
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    {
      "message_id": 375,
      "editor_id": 36,
      "message_received": "อะไร 2",
      "slice_count": 1,
      "slices": " เท่ากับเท่าไร 2|",
      "edit_duration": 16.011,
      "edit_duration_all": 16.011,
      "is_forceout": true
    },
    {
      "message_id": 376,
      "editor_id": 36,
      "message_received": "เท่าไหร่คะ",
      "slice_count": 1,
      "slices": " เท่าไร่คะ|",
      "edit_duration": 16.012,
      "edit_duration_all": 16.012,
      "is_forceout": true
    },
    {
      "message_id": 377,
      "editor_id": 36,
      "message_received": "2 * 3 - 2 * 3",
      "slice_count": 1,
      "slices": "2 x 3 - 2 x 3|",
      "edit_duration": 16.015,
      "edit_duration_all": 16.015,
      "is_forceout": true
    },
    {
      "message_id": 378,
      "editor_id": 36,
      "message_received": "ลักหลับ",
      "slice_count": 2,
      "slices": " ||",
      "edit_duration": 15.067,
      "edit_duration_all": 16.015,
      "is_forceout": true
    },
    {
      "message_id": 379,
      "editor_id": 36,
      "message_received": "มีอยู่ 2 คูณกับ 3",
      "slice_count": 1,
      "slices": "มีอยู่ 2 คูณกับ 3|",
      "edit_duration": 15.886,
      "edit_duration_all": 15.886,
      "is_forceout": false
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    {
      "message_id": 380,
      "editor_id": 36,
      "message_received": "เท่ากับ",
      "slice_count": 1,
      "slices": " เท่ากับ|",
      "edit_duration": 14.757,
      "edit_duration_all": 14.757,
      "is_forceout": false
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    {
      "message_id": 381,
      "editor_id": 36,
      "message_received": "อะไรเอ่ย",
      "slice_count": 1,
      "slices": "อะไรเอ่ย|",
      "edit_duration": 9.835,
      "edit_duration_all": 9.835,
      "is_forceout": false
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    {
      "message_id": 382,
      "editor_id": 36,
      "message_received": "เพื่อนคุณได้แล้วเท่ากับ 6",
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      "slices": " |เพื่อนคุณได้แล้วเท่ากับ |6|",
      "edit_duration": 6.886,
      "edit_duration_all": 8.514,
      "is_forceout": false
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    {
      "message_id": 383,
      "editor_id": 36,
      "message_received": "ถ้ากลับ 6 นะคะ + 5 = 10 เก่งมากเยี่ยมค่ะถูกต้องนะคะเพราะฉะนั้น",
      "slice_count": 5,
      "slices": " |6 นะคะ |+ 5 = 10 เก่งมากเยี่ยมค่ะ| ถูกต้องนะค|ะ เพราะฉะนั้น|",
      "edit_duration": 2.518,
      "edit_duration_all": 7.887,
      "is_forceout": false
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    {
      "message_id": 384,
      "editor_id": 36,
      "message_received": "4 พจน์แรกของข้อที่ 1 ใช่ไหมลูก",
      "slice_count": 2,
      "slices": " |4 พจน์แรกของข้อที่ 1 ใช่ไหมลูก|",
      "edit_duration": 3.729,
      "edit_duration_all": 5.081,
      "is_forceout": false
    },
    {
      "message_id": 385,
      "editor_id": 36,
      "message_received": "ก็คือ",
      "slice_count": 2,
      "slices": " |ก็คือ 7|",
      "edit_duration": 2.482,
      "edit_duration_all": 9.534,
      "is_forceout": false
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    {
      "message_id": 386,
      "editor_id": 36,
      "message_received": "791 และ",
      "slice_count": 1,
      "slices": " 9 11 และ |",
      "edit_duration": 5.222,
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      "is_forceout": false
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    {
      "message_id": 387,
      "editor_id": 36,
      "message_received": "13 ให้เพื่อนหน่อยค่ะ",
      "slice_count": 2,
      "slices": "13 ใ|ห้เพื่อนหน่อยค่ะ |",
      "edit_duration": 0.918,
      "edit_duration_all": 3.553,
      "is_forceout": false
    },
    {
      "message_id": 388,
      "editor_id": 36,
      "message_received": "เก่งมาก",
      "slice_count": 1,
      "slices": "เก่งมาก |",
      "edit_duration": 3.644,
      "edit_duration_all": 3.644,
      "is_forceout": false
    },
    {
      "message_id": 389,
      "editor_id": 36,
      "message_received": "เย้ถูกต้องข้อ 1 ผ่านไป",
      "slice_count": 1,
      "slices": "ปรบมือหน่อยลูก ถูกต้องข้อ 1 ผ่านไป|",
      "edit_duration": 6.966,
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      "is_forceout": false
    },
    {
      "message_id": 390,
      "editor_id": 36,
      "message_received": "สักตัวอย่างไหม",
      "slice_count": 2,
      "slices": " |เอาอีกสักตัวอย่างไหม|",
      "edit_duration": 5.285,
      "edit_duration_all": 7.803,
      "is_forceout": false
    },
    {
      "message_id": 391,
      "editor_id": 36,
      "message_received": "หอย 1 คน",
      "slice_count": 2,
      "slices": " |ขออีก 1 คน|",
      "edit_duration": 3.846,
      "edit_duration_all": 6.996,
      "is_forceout": false
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    {
      "message_id": 392,
      "editor_id": 36,
      "message_received": "ข่อย 1 คน",
      "slice_count": 1,
      "slices": "อีก 1 คน|",
      "edit_duration": 7.778,
      "edit_duration_all": 7.778,
      "is_forceout": false
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    {
      "message_id": 393,
      "editor_id": 36,
      "message_received": "ทำให้เพื่อนดู",
      "slice_count": 2,
      "slices": " |ทำให้เพื่อนดู|",
      "edit_duration": 6.249,
      "edit_duration_all": 7.576,
      "is_forceout": false
    },
    {
      "message_id": 394,
      "editor_id": 36,
      "message_received": "มาอีก 1 คนเหลืออีก 1 คนเก่งมาก",
      "slice_count": 3,
      "slices": " |อีก 1 คน | 1 คนเก่งมาก|",
      "edit_duration": 3.96,
      "edit_duration_all": 10.24,
      "is_forceout": false
    },
    {
      "message_id": 395,
      "editor_id": 36,
      "message_received": "อันนี้กองเชียร์กองเชียร์เพื่อน",
      "slice_count": 3,
      "slices": " |อันนี้กองเชียร์ |กองเชียร์เพื่อน |",
      "edit_duration": 4.959,
      "edit_duration_all": 6.551,
      "is_forceout": false
    },
    {
      "message_id": 396,
      "editor_id": 36,
      "message_received": "เพื่อนเลือกทำข้อ 2 นะคะ",
      "slice_count": 1,
      "slices": "เพื่อนเลือกทำข้อ 2 นะคะ |",
      "edit_duration": 2.098,
      "edit_duration_all": 2.098,
      "is_forceout": false
    },
    {
      "message_id": 397,
      "editor_id": 36,
      "message_received": "ข้อ 2 คือ 3",
      "slice_count": 2,
      "slices": "โจทย์ข้อ 2 คือ |3|",
      "edit_duration": 3.908,
      "edit_duration_all": 8.204,
      "is_forceout": false
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    {
      "message_id": 398,
      "editor_id": 36,
      "message_received": "ลบ",
      "slice_count": 1,
      "slices": "n |",
      "edit_duration": 7.206,
      "edit_duration_all": 7.206,
      "is_forceout": false
    },
    {
      "message_id": 399,
      "editor_id": 36,
      "message_received": "1",
      "slice_count": 1,
      "slices": "- 1 |",
      "edit_duration": 5.544,
      "edit_duration_all": 5.544,
      "is_forceout": false
    },
    {
      "message_id": 400,
      "editor_id": 36,
      "message_received": "3n - 1",
      "slice_count": 1,
      "slices": "3n - 1 |",
      "edit_duration": 4.442,
      "edit_duration_all": 4.442,
      "is_forceout": false
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    {
      "message_id": 401,
      "editor_id": 36,
      "message_received": "โอเคเริ่มเลยนะคะ A1",
      "slice_count": 3,
      "slices": "โอเค |เริ่มเลยนะคะ |a1|",
      "edit_duration": 1.628,
      "edit_duration_all": 9.294,
      "is_forceout": false
    },
    {
      "message_id": 402,
      "editor_id": 36,
      "message_received": "Pan",
      "slice_count": 1,
      "slices": " แ|",
      "edit_duration": 8.447,
      "edit_duration_all": 8.447,
      "is_forceout": false
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    {
      "message_id": 403,
      "editor_id": 36,
      "message_received": "เห็นด้วย 1",
      "slice_count": 1,
      "slices": "ทน n เห็นด้วย 1|",
      "edit_duration": 6.681,
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      "is_forceout": false
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    {
      "message_id": 404,
      "editor_id": 36,
      "message_received": "น่าจะได้เป็นอะไรคะ 3",
      "slice_count": 3,
      "slices": " |จะได้เป็นอะไรคะ |3|",
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      "edit_duration_all": 6.625,
      "is_forceout": false
    },
    {
      "message_id": 405,
      "editor_id": 36,
      "message_received": "3 x",
      "slice_count": 2,
      "slices": " |3 x|",
      "edit_duration": 4.048,
      "edit_duration_all": 5.975,
      "is_forceout": false
    },
    {
      "message_id": 406,
      "editor_id": 36,
      "message_received": "1",
      "slice_count": 1,
      "slices": " 1|",
      "edit_duration": 4.576,
      "edit_duration_all": 4.576,
      "is_forceout": false
    },
    {
      "message_id": 407,
      "editor_id": 36,
      "message_received": "คุณ",
      "slice_count": 2,
      "slices": " |ค|",
      "edit_duration": 2.847,
      "edit_duration_all": 7.554,
      "is_forceout": false
    },
    {
      "message_id": 408,
      "editor_id": 36,
      "message_received": "1 ค่ะ",
      "slice_count": 1,
      "slices": "ูณ 1 ค่ะ |",
      "edit_duration": 6.143,
      "edit_duration_all": 6.143,
      "is_forceout": false
    },
    {
      "message_id": 409,
      "editor_id": 36,
      "message_received": "ใช่ไหมเพราะเอมเท่ากับ 1 ไงเห็นไหมลูก n เท่ากับ 1",
      "slice_count": 4,
      "slices": "ใช่ไหม |เพราะ n |เท่ากับ 1 ไง |เห็นไหมลูก n เท่ากับ 1|",
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      "edit_duration_all": 7.589,
      "is_forceout": false
    },
    {
      "message_id": 410,
      "editor_id": 36,
      "message_received": "เราถูกแล้วถูกแล้วถูกแล้ว",
      "slice_count": 2,
      "slices": " |ถูกแล้ว |",
      "edit_duration": 5.519,
      "edit_duration_all": 9.16,
      "is_forceout": false
    },
    {
      "message_id": 411,
      "editor_id": 36,
      "message_received": "เราก็ 3 คู่นะคะ",
      "slice_count": 3,
      "slices": "ๆ ๆ |เราก็ 3 |คูณนะคะ |",
      "edit_duration": 6.06,
      "edit_duration_all": 16.012,
      "is_forceout": true
    },
    {
      "message_id": 412,
      "editor_id": 36,
      "message_received": "คุณหนึ่ง",
      "slice_count": 1,
      "slices": "คูณ |",
      "edit_duration": 15.793,
      "edit_duration_all": 15.793,
      "is_forceout": false
    },
    {
      "message_id": 413,
      "editor_id": 36,
      "message_received": "ได้ค่ะลบอะไร",
      "slice_count": 2,
      "slices": "1 ใช่|ค่ะ ลบอะไร|",
      "edit_duration": 13.733,
      "edit_duration_all": 16.012,
      "is_forceout": true
    },
    {
      "message_id": 414,
      "editor_id": 36,
      "message_received": "ลบลบอะไรคะลบ 1",
      "slice_count": 3,
      "slices": " ลบ |ลบอะไรคะ |ลบ 1 |",
      "edit_duration": 10.287,
      "edit_duration_all": 15.498,
      "is_forceout": false
    },
    {
      "message_id": 415,
      "editor_id": 36,
      "message_received": "โอเคนะคะตอนนี้เพื่อนทำให้ดูเป็น 2 ข้อแล้วนะคะถ้าเพื่อนๆเข้าใจนะเริ่มทำ",
      "slice_count": 4,
      "slices": "โอเคนะคะ| ตอนนี้เพื่อนทำให้ดูเป็น 2 ข้อแล้วนะคะ |ถ้าเพื่อน ๆ เข้าใจนะคะ |เริ่มทำ|",
      "edit_duration": 1.064,
      "edit_duration_all": 6.982,
      "is_forceout": false
    },
    {
      "message_id": 416,
      "editor_id": 36,
      "message_received": "แบบฝึกทั้ง 5 ข้อได้เลย",
      "slice_count": 1,
      "slices": "แบบฝึกทั้ง 5 ข้อได้เลย|",
      "edit_duration": 4.474,
      "edit_duration_all": 4.474,
      "is_forceout": false
    },
    {
      "message_id": 417,
      "editor_id": 36,
      "message_received": "นะคะ",
      "slice_count": 1,
      "slices": "นะคะ |",
      "edit_duration": 3.6,
      "edit_duration_all": 3.6,
      "is_forceout": false
    },
    {
      "message_id": 418,
      "editor_id": 36,
      "message_received": "เริ่มทำเลยค่ะ",
      "slice_count": 1,
      "slices": "เริ่มทำเลยค่ะ |",
      "edit_duration": 2.537,
      "edit_duration_all": 2.537,
      "is_forceout": false
    },
    {
      "message_id": 419,
      "editor_id": 33,
      "message_received": "จ้า",
      "slice_count": 1,
      "slices": "จ้า |",
      "edit_duration": 8.019,
      "edit_duration_all": 8.019,
      "is_forceout": false
    },
    {
      "message_id": 420,
      "editor_id": 33,
      "message_received": "ฮัลโหล",
      "slice_count": 1,
      "slices": " ฮัลโหล |",
      "edit_duration": 7.967,
      "edit_duration_all": 7.967,
      "is_forceout": false
    },
    {
      "message_id": 421,
      "editor_id": 33,
      "message_received": "อันนี้เด็กๆทำแบบทดสอบ 5 ข้อเรียบร้อยนะคะ",
      "slice_count": 2,
      "slices": "อันนี้เด็ก ๆ ทำแบบทดสอบ 5 ข้อ เรียบร้อยนะคะ| |",
      "edit_duration": 6.147,
      "edit_duration_all": 7.888,
      "is_forceout": false
    },
    {
      "message_id": 422,
      "editor_id": 33,
      "message_received": "ส่วนใหญ่คือทำถูกต้องเยี่ยมมาก",
      "slice_count": 2,
      "slices": "ส่วนใหญ่คือทำถูกต้อง| เยี่ยมมาก|",
      "edit_duration": 5.422,
      "edit_duration_all": 7.711,
      "is_forceout": false
    },
    {
      "message_id": 423,
      "editor_id": 33,
      "message_received": "ที่นี้เดี๋ยวครูจะให้",
      "slice_count": 2,
      "slices": "นะคะ |ทีนี้เดี๋ยวครูจะให้|",
      "edit_duration": 4.657,
      "edit_duration_all": 11.259,
      "is_forceout": false
    },
    {
      "message_id": 424,
      "editor_id": 33,
      "message_received": "ตัวแทน 1 คนเนาะ",
      "slice_count": 1,
      "slices": "ตัวแทน 1 คนนะ|",
      "edit_duration": 9.446,
      "edit_duration_all": 9.446,
      "is_forceout": false
    },
    {
      "message_id": 425,
      "editor_id": 33,
      "message_received": "ปลื้มใช่ไหมคะออกมาสรุปให้เพื่อนๆฟังหน่อยค่ะว่าวันนี้ได้เรียนรู้เรื่องการหาสี่พจน์แรก",
      "slice_count": 4,
      "slices": " |น้องปลื้มใช่ไหมคะ |ออกมาสรุปให้เพื่อน ๆ ฟังหน่อยค่ะ| ว่าวันนี้ได้เรียนรู้เรื่องการหา 4 พจน์แรก |",
      "edit_duration": 1.895,
      "edit_duration_all": 11.271,
      "is_forceout": false
    },
    {
      "message_id": 426,
      "editor_id": 36,
      "message_received": "เป็นเรานะลูก",
      "slice_count": 1,
      "slices": "เป็นเรานะลูก |",
      "edit_duration": 5.091,
      "edit_duration_all": 5.091,
      "is_forceout": false
    },
    {
      "message_id": 427,
      "editor_id": 36,
      "message_received": "มาสรุปให้เพื่อนฟังลูกว่าวิธีการหาสี่พจน์แรกของลําดับ",
      "slice_count": 2,
      "slices": "มาสรุปให้เพื่อนฟังลูก |ว่าวิธีการหาสี่พจน์แรกของลำดับ|",
      "edit_duration": 2.234,
      "edit_duration_all": 7.978,
      "is_forceout": false
    },
    {
      "message_id": 428,
      "editor_id": 36,
      "message_received": "เลขคณิตเนี่ยตามที่หนูเข้าใจหนูเข้าใจว่าต้องทำอย่างไรเชิญค่ะ",
      "slice_count": 4,
      "slices": "เลขคณิตนี่ |ตามที่หนูเข้าใจหนูเข้าใจ |ว่าต้องทำอย่างไร |เชิญค่ะ |",
      "edit_duration": 2.575,
      "edit_duration_all": 9.566,
      "is_forceout": false
    },
    {
      "message_id": 429,
      "editor_id": 36,
      "message_received": "มาข้างหน้าเลยค่ะ",
      "slice_count": 2,
      "slices": " |มาข้างหน้าเลยค่ะ |",
      "edit_duration": 5.441,
      "edit_duration_all": 10.547,
      "is_forceout": false
    },
    {
      "message_id": 430,
      "editor_id": 36,
      "message_received": "มาตอนนี้เลย",
      "slice_count": 1,
      "slices": "มาตรงนี้เลย |",
      "edit_duration": 8.822,
      "edit_duration_all": 8.822,
      "is_forceout": false
    },
    {
      "message_id": 431,
      "editor_id": 36,
      "message_received": "วิธีการหาสี่พจน์แรกของลําดับ",
      "slice_count": 2,
      "slices": "วิธีการหาสี่พจน์แรกลูก |ของลำดับ|",
      "edit_duration": 4.71,
      "edit_duration_all": 6.515,
      "is_forceout": false
    },
    {
      "message_id": 432,
      "editor_id": 33,
      "message_received": "เลขคณิตป 3 ที่หนูเข้าใจทำยังไงคะ",
      "slice_count": 1,
      "slices": "เลขคณิต ตามที่หนูเข้าใจ ทำอย่างไรคะ|",
      "edit_duration": 10.981,
      "edit_duration_all": 10.981,
      "is_forceout": false
    },
    {
      "message_id": 433,
      "editor_id": 33,
      "message_received": "อันดับแรกเลย",
      "slice_count": 2,
      "slices": " |อันดับแรกเลย |",
      "edit_duration": 9.321,
      "edit_duration_all": 10.033,
      "is_forceout": false
    },
    {
      "message_id": 434,
      "editor_id": 33,
      "message_received": "โอเคนะคะเมื่อกี้น้องสรุปเรียบร้อยเนาะ",
      "slice_count": 2,
      "slices": "โอเคนะคะ| เมื่อกี้น้องสรุปเรียบร้อยนะ|",
      "edit_duration": 4.981,
      "edit_duration_all": 8.349,
      "is_forceout": false
    },
    {
      "message_id": 435,
      "editor_id": 33,
      "message_received": "เข้าใจใช่ไหมคะ",
      "slice_count": 2,
      "slices": " |เข้าใจใช่ไหมคะ |",
      "edit_duration": 6.699,
      "edit_duration_all": 7.44,
      "is_forceout": false
    },
    {
      "message_id": 436,
      "editor_id": 33,
      "message_received": "OK",
      "slice_count": 1,
      "slices": "โ|",
      "edit_duration": 12.819,
      "edit_duration_all": 12.819,
      "is_forceout": false
    },
    {
      "message_id": 437,
      "editor_id": 33,
      "message_received": "อย่ามาค่ะพี่เข้าใจ",
      "slice_count": 2,
      "slices": "อเค เยี่ยมมากค่ะ |เข้าใจ|",
      "edit_duration": 9.073,
      "edit_duration_all": 11.884,
      "is_forceout": false
    },
    {
      "message_id": 438,
      "editor_id": 33,
      "message_received": "ตบมือให้เพื่อนหน่อยค่ะลูก",
      "slice_count": 2,
      "slices": " |ปรบมือให้เพื่อนหน่อยค่ะลูก|",
      "edit_duration": 9.68,
      "edit_duration_all": 16.048,
      "is_forceout": true
    },
    {
      "message_id": 439,
      "editor_id": 33,
      "message_received": "เพื่อนหน่อย",
      "slice_count": 2,
      "slices": " |ปรบมือใเพื่อนหน่อย|",
      "edit_duration": 13.484,
      "edit_duration_all": 16.035,
      "is_forceout": true
    },
    {
      "message_id": 440,
      "editor_id": 36,
      "message_received": "อาจมีใครอยากมาอธิบายให้เพื่อนฟังเพิ่มเติมไหมคะ",
      "slice_count": 2,
      "slices": "มี... |มีใครอยากมาอธิบายให้เพื่อนฟังเพิ่มเติมไหมคะ |",
      "edit_duration": 3.342,
      "edit_duration_all": 4.756,
      "is_forceout": false
    },
    {
      "message_id": 441,
      "editor_id": 36,
      "message_received": "ไหม",
      "slice_count": 1,
      "slices": "มีไหม|",
      "edit_duration": 9.129,
      "edit_duration_all": 9.129,
      "is_forceout": false
    },
    {
      "message_id": 442,
      "editor_id": 36,
      "message_received": "สักหน่อยไหม",
      "slice_count": 1,
      "slices": "คะ มีไหม ออกมาไหมลูก สักหน่อยไหม|",
      "edit_duration": 6.71,
      "edit_duration_all": 6.71,
      "is_forceout": false
    },
    {
      "message_id": 443,
      "editor_id": 36,
      "message_received": "เพราะว่าตอนเราทำแบบฝึกแล้วทำได้เสร็จก่อนเพื่อนเยี่ยมมาก",
      "slice_count": 3,
      "slices": " |เพราะว่าตอนเราทำแบบฝึกแล้วทำได้เสร็จก่อนเพื่อน |เยี่ยมมาก|",
      "edit_duration": 1.837,
      "edit_duration_all": 4.713,
      "is_forceout": false
    },
    {
      "message_id": 444,
      "editor_id": 36,
      "message_received": "เอามาลองหน่อยได้ไหมสักหน่อยสักหน่อย",
      "slice_count": 3,
      "slices": " |ออกมาลองหน่อย |สักหน่อย ๆ ห้องนี้น่ารักนะคะ ทำเสร็จพร้อมเพ|",
      "edit_duration": 1.264,
      "edit_duration_all": 16.013,
      "is_forceout": true
    },
    {
      "message_id": 445,
      "editor_id": 36,
      "message_received": "ห้องนี้น่ารักนะคะทำเสร็จพร้อมเพียง",
      "slice_count": 1,
      "slices": "|",
      "edit_duration": 9.131,
      "edit_duration_all": 9.131,
      "is_forceout": false
    },
    {
      "message_id": 446,
      "editor_id": 33,
      "message_received": "ใกล้ๆในระบบ K",
      "slice_count": 1,
      "slices": "ใกล้ ๆ นี่ลูก |",
      "edit_duration": 8.984,
      "edit_duration_all": 8.984,
      "is_forceout": false
    },
    {
      "message_id": 447,
      "editor_id": 33,
      "message_received": "ส่งไปเหรอคะ",
      "slice_count": 2,
      "slices": "โอเค |จะส่งไปเหรอคะ|",
      "edit_duration": 2.292,
      "edit_duration_all": 12.369,
      "is_forceout": false
    },
    {
      "message_id": 448,
      "editor_id": 33,
      "message_received": "ยังไงคะอย่างที่หนูเข้าใจถูกว่าการที่จะหา 4 พจน์แรก",
      "slice_count": 4,
      "slices": " นั่งลง |อย่างไรคะ |อย่างที่หนูเข้าใจ |ลว่าการที่จะหา 4 พจน์แรก|",
      "edit_duration": 6.181,
      "edit_duration_all": 16.061,
      "is_forceout": true
    },
    {
      "message_id": 449,
      "editor_id": 33,
      "message_received": "อันดับเลขคณิต",
      "slice_count": 1,
      "slices": "อันดับเลขคณิต|",
      "edit_duration": 16.035,
      "edit_duration_all": 16.035,
      "is_forceout": true
    },
    {
      "message_id": 450,
      "editor_id": 33,
      "message_received": "ทำอย่างไรบ้าง",
      "slice_count": 1,
      "slices": "ทำอย่างไรบ้าง|",
      "edit_duration": 15.6,
      "edit_duration_all": 15.6,
      "is_forceout": false
    },
    {
      "message_id": 451,
      "editor_id": 33,
      "message_received": "เราก็ใช้ตามสูตรกับ 2n + 5 ครับ",
      "slice_count": 1,
      "slices": " (ล่าม) เราก็ใช้ตามสูตรกับ 2n + 5 ครับ |",
      "edit_duration": 13.083,
      "edit_duration_all": 13.083,
      "is_forceout": false
    },
    {
      "message_id": 452,
      "editor_id": 33,
      "message_received": "ตอนแรกก็ยังไม่เข้าใจอ่ะครับแต่ว่าตอนนี้คือพอรู้วิธีทำมันก็ง่ายสามารถทำต่อได้ครับ",
      "slice_count": 3,
      "slices": "ตอนแรกก็ยังไม่เข้าใจครับ |แต่ว่าตอนนี้คือพอรู้วิธีทำมันก็ง่าย |สามารถทำต่อได้ครับ  |",
      "edit_duration": 10.095,
      "edit_duration_all": 13.251,
      "is_forceout": false
    },
    {
      "message_id": 453,
      "editor_id": 36,
      "message_received": "น่ารักมากค่ะลูก",
      "slice_count": 2,
      "slices": "(อาจารย์) น่ารักมาก| เยี่ยมค่ะลูก|",
      "edit_duration": 3.656,
      "edit_duration_all": 9.051,
      "is_forceout": false
    },
    {
      "message_id": 454,
      "editor_id": 36,
      "message_received": "อย่ามาตราการเรียนรู้นะคะเป็นสิ่งดีๆลูกถ้าเราไม่เข้าใจเราแค่ถาม",
      "slice_count": 3,
      "slices": " เยี่ยมมาก |การเรียนรู้นะคะ เป็นสิ่งดี ๆ ลูก |ถ้าเราไม่เข้าใจเราแค่ถาม|",
      "edit_duration": 6.277,
      "edit_duration_all": 12.453,
      "is_forceout": false
    },
    {
      "message_id": 455,
      "editor_id": 36,
      "message_received": "ใช่ไหม",
      "slice_count": 2,
      "slices": " |ใช่ไหม|",
      "edit_duration": 11.635,
      "edit_duration_all": 12.337,
      "is_forceout": false
    },
    {
      "message_id": 456,
      "editor_id": 36,
      "message_received": "ถ้าเราไม่เข้าใจเราถามเราจะได้คำตอบไหมคะ",
      "slice_count": 4,
      "slices": " |ถ้าเราไม่เข้าใจเราถาม |เราจะได้คำตอบไหมคะ| |",
      "edit_duration": 8.152,
      "edit_duration_all": 13.648,
      "is_forceout": false
    },
    {
      "message_id": 457,
      "editor_id": 36,
      "message_received": "ถ้าเกิดไม่เข้าใจแล้วไม่ถามนะยังไงก็ไม่มีทาง",
      "slice_count": 2,
      "slices": "ถ้าเกิดไม่เข้าใจแล้วไม่ถามนะ |อย่างไรก็ไม่มีทาง |",
      "edit_duration": 9.445,
      "edit_duration_all": 14.27,
      "is_forceout": false
    },
    {
      "message_id": 458,
      "editor_id": 33,
      "message_received": "อย่ามากนะคะลูกนะเมื่อไหร่จะสงสัยต้องถาม",
      "slice_count": 2,
      "slices": "เยี่ยมมากนะคะลูกนะ |เมื่อไหร่จะสงสัยต้องถาม|",
      "edit_duration": 8.156,
      "edit_duration_all": 9.526,
      "is_forceout": false
    },
    {
      "message_id": 459,
      "editor_id": 33,
      "message_received": "ถึงจะได้คำตอบและเข้าใจตรงกัน",
      "slice_count": 2,
      "slices": " |ถึงจะได้คำตอบและเข้าใจตรงกัน|",
      "edit_duration": 5.505,
      "edit_duration_all": 7.526,
      "is_forceout": false
    },
    {
      "message_id": 460,
      "editor_id": 33,
      "message_received": "OK เยี่ยมมากค่ะลูกค้าประเมินหน่อยค่ะ",
      "slice_count": 3,
      "slices": " |โอเค เยี่ยมมากค่ะ |ลูก ปรบมือหน่อยค่ะ |",
      "edit_duration": 1.474,
      "edit_duration_all": 16.039,
      "is_forceout": true
    },
    {
      "message_id": 461,
      "editor_id": 33,
      "message_received": "น้าสำหรับวันนี้นะคะ",
      "slice_count": 2,
      "slices": " |สำหรับวันนี้นะคะ |",
      "edit_duration": 11.35,
      "edit_duration_all": 12.374,
      "is_forceout": false
    },
    {
      "message_id": 462,
      "editor_id": 33,
      "message_received": "คุณเจนรู้สึกมีความสุขมากเลยได้สอนห้องนี้",
      "slice_count": 2,
      "slices": "ครูเจนรู้สึกมีความสุขมากเลย |ได้สอนห้องนี้ |",
      "edit_duration": 15.169,
      "edit_duration_all": 16.038,
      "is_forceout": true
    },
    {
      "message_id": 463,
      "editor_id": 36,
      "message_received": "หนึ่งเลยคือเด็กๆ",
      "slice_count": 2,
      "slices": "1. |เลยคือเด็ก ๆ |",
      "edit_duration": 3.701,
      "edit_duration_all": 6.425,
      "is_forceout": false
    },
    {
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