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      "message_received": "ได้ยินครูนะ คราวที่แล้ว",
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      "slices": "ได้ยินครูนะ |คราวที่แล้ว|",
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      "message_received": "แล้วเราก็ทำข้อสอบไปแล้วนะคะ",
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      "slices": "t ตัวนี้นะ |แล้วเราก็ทำข้อสอบไปแล้วนะคะ |",
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      "message_received": "เรื่องลิสต์",
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      "slices": "เรื่อง ลิสต์ |",
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      "message_received": "ได้ยินไหมคะ",
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      "message_received": "ยังไม่ได้ยิน",
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      "slices": "ยังไม่ได้ยิน |",
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      "message_received": "คราวที่แล้วนะคะ เราพูดถึงเรื่อง List ทุกคน",
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      "slices": "คราวที่แล้วนะคะ |เราพูดถึงเรื่อง สิสต์| ทุกคน|",
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      "message_received": "จำได้นะคะ อันนี้คือลิสต์นะ ที่ครูยกตัวอย่างมาให้",
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      "slices": "จำได้นะคะ| อันนี้คือลิสต์นะ |ที่ครูยกตัวอย่างมาให้|",
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      "message_received": "ลิสต์ตัวนี้มีขนาดเท่ากับเท่าไหร่",
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      "slices": " |ลิสต์ตัวนี้มีขนาดเท่าไหร่|",
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      "message_received": "มีขนาดเท่าไหร่ ขนาด คือ",
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      "slices": " |มีขนาดเท่าไหร่ |ขนาด| คือ|",
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      "message_received": "มีจำนวนเท่าไร มี 5 คนอื่นมีเท่าไรคะ",
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      "slices": " |มีจำนวนเท่าไหร่ |มี 5 |คนอื่นมีเท่าไหร่คะ|",
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      "message_received": "5 โอเค 5 นะคะ",
      "slice_count": 2,
      "slices": " |5 โอเค 5 นะคะ |",
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      "message_id": 33,
      "editor_id": 13,
      "message_received": "ลิสต์ที่เราเห็นในหน้าจอตรงนี้",
      "slice_count": 1,
      "slices": "ลิสต์ที่เราเห็นในหน้าจอตรงนี้|",
      "edit_duration": 2.949,
      "isForceout": false
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      "message_id": 34,
      "editor_id": 13,
      "message_received": "จะมีอยู่ 5 ตัวถูกไหมคะ มีข้อมูลอยู่ 5 ตัว",
      "slice_count": 2,
      "slices": " จะมีอยู่ 5 ตัวถูกไหมคะ |มีข้อมูลอยู่ 5 ตัว|",
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      "message_id": 35,
      "editor_id": 13,
      "message_received": "มี 1 มี 2 มี 3 มี 4",
      "slice_count": 2,
      "slices": " |มี 1 มี 2 มี 3 มี 4|",
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      "message_id": 36,
      "editor_id": 13,
      "message_received": "แล้วก็มี 5 มีทั้งหมด 5 ตัวนะคะ คราวนี้",
      "slice_count": 4,
      "slices": " |แล้วก็มี 5 |มีทั้งหมด 5 ตัวนะคะ |คราวนี้|",
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      "isForceout": false
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    {
      "message_id": 37,
      "editor_id": 13,
      "message_received": "เรารู้ได้อย่างไรว่ามันคือลิสต์ เห็น",
      "slice_count": 2,
      "slices": "เรารู้ได้อย่างไรว่ามันคือลิสต์ |เห็น|",
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    {
      "message_id": 38,
      "editor_id": 13,
      "message_received": "ก้ามปูเปิด-ก้ามปูปิดไหมคะ",
      "slice_count": 2,
      "slices": "ก้ามปูเปิด-ก้ามปูปิดไหมคะ| ตัวนี้|",
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      "message_id": 39,
      "editor_id": 13,
      "message_received": "เป็นสัญลักษณ์ที่บอกว่าการเก็บข้อมูลลักษณะ",
      "slice_count": 2,
      "slices": "เป็นสัญลักษณ์ที่บอกว่า |การเก็บข้อมูลลักษณะ|",
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      "message_id": 40,
      "editor_id": 13,
      "message_received": "แบบนี้มีชื่อเรียกว่า \"ลิสต์\" นะคะ",
      "slice_count": 1,
      "slices": "แบบนี้มีชื่อเรียกว่า \"ลิสต์\" นะคะ |",
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    {
      "message_id": 41,
      "editor_id": 13,
      "message_received": "จะเก็บค่าของข้อมูล",
      "slice_count": 1,
      "slices": "จะเก็บค่าของข้อมูล|",
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      "isForceout": false
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    {
      "message_id": 42,
      "editor_id": 13,
      "message_received": "ในลิสต์ index",
      "slice_count": 1,
      "slices": " ในลิสต์ index|",
      "edit_duration": 3.876,
      "isForceout": false
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    {
      "message_id": 43,
      "editor_id": 13,
      "message_received": "ก็คือหมายเลขถูกไหมคะ ก็คือหมายเลขของข้อมูล",
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      "slices": " |ก็คือหมายเลขถูกไหมคะ |คือ หมายเลขของข้อมูล|",
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      "isForceout": false
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      "message_id": 44,
      "editor_id": 13,
      "message_received": "เราเริ่มต้นที่หมายเลขอะไรเอ่ย",
      "slice_count": 2,
      "slices": "นี่ |เราเริ่มต้นที่หมายเลขอะไรเอ่ย|",
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      "editor_id": 13,
      "message_received": "พอเราวาดเป็นช่องใช่ไหมคะ",
      "slice_count": 2,
      "slices": " |พอเราวาดเป็นช่องใช่ไหมคะ |",
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    {
      "message_id": 46,
      "editor_id": 13,
      "message_received": "ในลิสต์นี่ ถ้าเราลองวาด",
      "slice_count": 2,
      "slices": "ในลิสต์นี่ |ถ้าเราลองวาด|",
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      "editor_id": 13,
      "message_received": "การจัดเก็บนะ ก็จะเป็น 1",
      "slice_count": 2,
      "slices": "การจัดเก็บนะ |ก็จะเป็น 1 |",
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      "isForceout": false
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      "message_id": 48,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
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      "message_id": 49,
      "editor_id": 13,
      "message_received": "แล้วก็จะเก็บข้อมูลลงไปในช่องแบบนี้",
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      "slices": "แล้วก็จะเก็บข้อมูลลงไปในช่องแบบนี้|",
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      "message_id": 50,
      "editor_id": 13,
      "message_received": "หมายเลขช่องหรือว่า",
      "slice_count": 2,
      "slices": "นะคะ |หมายเลขช่องหรือว่า|",
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      "message_received": "Index ตัวแรกเราจะเริ่มต้นที่ตรงไหน",
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      "slices": " Index ตัวแรก |เราจะเริ่มต้นที่เท่าไหร่คะ |ตรงไหน|",
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      "message_id": 52,
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      "message_received": "ตรงนี้ index เราจะเริ่มที่เราไรเอ่ย",
      "slice_count": 3,
      "slices": " |ตรงนี้ index |เราจะเริ่มที่เราไรเอ่ย|",
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      "message_id": 53,
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      "message_received": "0 นะ ใช่ไหมคะ",
      "slice_count": 3,
      "slices": " |0 นะ| ใช่ไหมคะ |",
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      "message_id": 54,
      "editor_id": 13,
      "message_received": "1 2 3 แล้วก็ 4",
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      "slices": "1 2 3 |แล้วก็ 4|",
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      "message_id": 55,
      "editor_id": 13,
      "message_received": "แล้วก็ 4 ก็คือหมายเลขช่อง ถ้าเราวาดรูปให้",
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      "slices": " |ก็คือหมายเลขช่อง |ถ้าเราวาดรูป|",
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    {
      "message_id": 56,
      "editor_id": 13,
      "message_received": "เป็นรูปสี่เหลี่ยมในการจัดเก็บข้อมูล แล้วเวลาครูเข้าถึง",
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      "slices": "เป็นรูปสี่เหลี่ยม |ในการจัดเก็บข้อมูล |แล้วเวลาครูเข้าถึง|",
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      "isForceout": false
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    {
      "message_id": 57,
      "editor_id": 13,
      "message_received": "ข้อมูลที่อยู่ในลิสต์ ตอนนี้",
      "slice_count": 2,
      "slices": "ข้อมูลที่อยู่ในลิสต์| ตอนนี้|",
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      "isForceout": false
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    {
      "message_id": 58,
      "editor_id": 13,
      "message_received": "ครูตั้งชื่อลิสต์ตัวนี้มีชื่อว่า x",
      "slice_count": 1,
      "slices": "ครูตั้งชื่อลิสต์ตัวนี้มีชื่อว่า x|",
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      "isForceout": false
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    {
      "message_id": 59,
      "editor_id": 13,
      "message_received": "x index 3",
      "slice_count": 2,
      "slices": " |x index 3|",
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      "isForceout": false
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    {
      "message_id": 60,
      "editor_id": 13,
      "message_received": "ตอบเท่ากับเท่าไรเอ่ย index",
      "slice_count": 3,
      "slices": " |ตอบเท่ากับเท่าไหร่เอ่ย |index|",
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      "isForceout": false
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      "message_id": 61,
      "editor_id": 13,
      "message_received": "เป็น 3 ตัวนี้ตอบ 4 ใช่",
      "slice_count": 3,
      "slices": " เป็น 3 |ตัวนี้ตอบ 4 |ใช่|",
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      "isForceout": false
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      "message_id": 62,
      "editor_id": 13,
      "message_received": "ตรงนี้ต้องตอบว่า 4 นะคะ ทุกคนจำได้นะ",
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      "slices": "ตรงนี้ต้องตอบว่า 4 นะคะ |ทุกคนจำได้นะ|",
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    {
      "message_id": 63,
      "editor_id": 13,
      "message_received": "แล้วถ้า x",
      "slice_count": 1,
      "slices": "แล้วถ้า x|",
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      "isForceout": false
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    {
      "message_id": 64,
      "editor_id": 13,
      "message_received": "เราต้องการหลาย ๆ ค่า 2 จนถึง 4",
      "slice_count": 3,
      "slices": " |เราต้องการหลาย ๆ ค่า |2 จนถึง 4|",
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      "isForceout": false
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    {
      "message_id": 65,
      "editor_id": 13,
      "message_received": "จะตอบเท่าหับเท่าไหร่คะ",
      "slice_count": 2,
      "slices": " |จะตอบเท่ากับเท่าไหร่คะ|",
      "edit_duration": 1.122,
      "isForceout": false
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    {
      "message_id": 66,
      "editor_id": 13,
      "message_received": "3 กับ...",
      "slice_count": 2,
      "slices": " |3 กับ...|",
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      "isForceout": false
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      "message_id": 67,
      "editor_id": 13,
      "message_received": "3 กับอะไรเอ่ย 4 ใช่ไหม",
      "slice_count": 3,
      "slices": " |3 กับอะไรเอ่ย |4 ใช่ไหม|",
      "edit_duration": 0.712,
      "isForceout": false
    },
    {
      "message_id": 68,
      "editor_id": 13,
      "message_received": "ใช่ไหม คือ 3 กับ 4 นะ มันเริ่มต้นที่ 2 ใช่ไหมคะ ก็คือ",
      "slice_count": 5,
      "slices": " | คือ 3 กับ 4 นะ |มันเริ่มต้นที่ 2 |ใช่ไหมคะ| ก็คือ|",
      "edit_duration": 0.65,
      "isForceout": false
    },
    {
      "message_id": 69,
      "editor_id": 13,
      "message_received": "เริ่มต้นที่ 2 ก็คือเริ่มต้ด้วยตัว",
      "slice_count": 1,
      "slices": "เริ่ม|",
      "edit_duration": 8.589,
      "isForceout": false
    },
    {
      "message_id": 70,
      "editor_id": 13,
      "message_received": "ถึง 4 แล้วก็ลดลงมา 1 ช่อง ก็จะได้ข้อมูลตัวนี้",
      "slice_count": 4,
      "slices": "ทีตัวนี้ |ถึง 4 |แล้วก็ลดลงมา 1 ช่อง |ก็จะได้ข้อมูลตัวนี้|",
      "edit_duration": 4.585,
      "isForceout": false
    },
    {
      "message_id": 71,
      "editor_id": 13,
      "message_received": "ก็คือ 3 กับ 4",
      "slice_count": 2,
      "slices": " |ก็คือ 3 กับ 4|",
      "edit_duration": 4.864,
      "isForceout": false
    },
    {
      "message_id": 72,
      "editor_id": 13,
      "message_received": "คราวนี้ แล้วเราเอาลิสต์",
      "slice_count": 3,
      "slices": " |คราวนี้ |แล้วเราเอาลิสต์|",
      "edit_duration": 2.487,
      "isForceout": false
    },
    {
      "message_id": 73,
      "editor_id": 13,
      "message_received": "มาทำอะไรนะคะ เราเก็บข้อมูล",
      "slice_count": 2,
      "slices": "มาทำอะไรนะคะ |เราเก็บข้อมูล|",
      "edit_duration": 1.214,
      "isForceout": false
    },
    {
      "message_id": 74,
      "editor_id": 13,
      "message_received": "รูปแบบลิสต์ แล้วเราเอามาใช้ทำอะไรนะคะ",
      "slice_count": 3,
      "slices": "ที่อยู่ใน|รูปแบบลิสต์| แล้วเราเอามาใช้ทำอะไรนะคะ |",
      "edit_duration": 5.658,
      "isForceout": false
    },
    {
      "message_id": 75,
      "editor_id": 13,
      "message_received": "วันนี้เราจะพูดถึงโครงสร้างอีกแบบหนึ่ง",
      "slice_count": 1,
      "slices": "วันนี้เราจะพูดถึงโครงสร้างอีกแบบหนึ่ง|",
      "edit_duration": 5.192,
      "isForceout": false
    },
    {
      "message_id": 76,
      "editor_id": 13,
      "message_received": "ที่มีชื่อว่า stack นะ",
      "slice_count": 2,
      "slices": " |ที่มีชื่อว่า stack นะ|",
      "edit_duration": 1.199,
      "isForceout": false
    },
    {
      "message_id": 77,
      "editor_id": 13,
      "message_received": "สแตกนะคะ สแตกตัวนี้",
      "slice_count": 3,
      "slices": " |stack นะคะ| stack ตัวนี้|",
      "edit_duration": 0.686,
      "isForceout": false
    },
    {
      "message_id": 78,
      "editor_id": 13,
      "message_received": "จะใช้วิธีการเก็บข้อมูลแบบลิสต์",
      "slice_count": 2,
      "slices": " |จะใช้วิธีการเก็บข้อมูลแบบลิสต์|",
      "edit_duration": 6.792,
      "isForceout": false
    },
    {
      "message_id": 79,
      "editor_id": 13,
      "message_received": "นะคะ แล้วลักษณะแบบไหน",
      "slice_count": 2,
      "slices": "นะคะ| แล้วลักษณะแบบไหน|",
      "edit_duration": 4.01,
      "isForceout": false
    },
    {
      "message_id": 80,
      "editor_id": 13,
      "message_received": "ที่เราจะเรียกว่า \"stack\" นะคะ ดูด้วยกัน",
      "slice_count": 2,
      "slices": "ที่เราจะเรียกว่า \"stack\" นะคะ |ดูด้วยกัน|",
      "edit_duration": 4.104,
      "isForceout": false
    },
    {
      "message_id": 81,
      "editor_id": 13,
      "message_received": "เขาบอกว่า Stack",
      "slice_count": 2,
      "slices": " |เขาบอกว่า Stack|",
      "edit_duration": 1.985,
      "isForceout": false
    },
    {
      "message_id": 82,
      "editor_id": 13,
      "message_received": "ก็คือการที่เราใส่ข้อมูลเข้าไปแล้วก็ดึงออกมา",
      "slice_count": 3,
      "slices": " |ก็คือการที่เราใส่ข้อมูลเข้าไป |แล้วก็ดึงออกมา|",
      "edit_duration": 0.999,
      "isForceout": false
    },
    {
      "message_id": 83,
      "editor_id": 13,
      "message_received": "นะคะ แล้วข้อมูล",
      "slice_count": 2,
      "slices": "นะคะ |แล้วข้อมูล|",
      "edit_duration": 0.545,
      "isForceout": false
    },
    {
      "message_id": 84,
      "editor_id": 13,
      "message_received": "ที่ถูกใส่เข้าไปใน Stack จะถูก",
      "slice_count": 3,
      "slices": "ที่ถูกใส่เข้าไปใน Stack| ก่อน| จะถูก|",
      "edit_duration": 2.531,
      "isForceout": false
    },
    {
      "message_id": 85,
      "editor_id": 13,
      "message_received": "เอาออกมาใช้ทีหลัง อันนี้ คือ",
      "slice_count": 2,
      "slices": "เอาออกมาใช้ทีหลัง |อันนี้ คือ|",
      "edit_duration": 2.717,
      "isForceout": false
    },
    {
      "message_id": 86,
      "editor_id": 13,
      "message_received": "วิธีการเก็บข้อมูลแบบ stack หรือที่เรียกว่า",
      "slice_count": 3,
      "slices": " |วิธีการเก็บข้อมูลแบบ stack |หรือที่เรียกสั้น ๆ ว่า|",
      "edit_duration": 0.899,
      "isForceout": true
    },
    {
      "message_id": 87,
      "editor_id": 13,
      "message_received": "เข้าทีหลังออกก่อน",
      "slice_count": 1,
      "slices": " \"เข้าทีหลังออกก่อน|",
      "edit_duration": 10.216,
      "isForceout": false
    },
    {
      "message_id": 88,
      "editor_id": 13,
      "message_received": "เข้าก่อนออกทีหลัง ความหมายเหมือนกัน",
      "slice_count": 2,
      "slices": "\" \"เข้าก่อนออกทีหลัง\" |ความหมายเหมือนกัน|",
      "edit_duration": 6.217,
      "isForceout": false
    },
    {
      "message_id": 89,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 90,
      "editor_id": 13,
      "message_received": "ยกตัวอย่างเช่น ทุกคนเคย",
      "slice_count": 3,
      "slices": " |ยกตัวอย่างเช่น |ทุกคนเคย|",
      "edit_duration": 0.684,
      "isForceout": false
    },
    {
      "message_id": 91,
      "editor_id": 13,
      "message_received": "ไปที่ร้านก๋วยเตี๋ยวไหมคะ ทุกคนเคยไปที่ร้านก๋วยเตี๋ยวนะ",
      "slice_count": 2,
      "slices": "ไปที่ร้านก๋วยเตี๋ยวไหมคะ |ทุกคนเคยไปร้านก๋วยเตี๋ยวนะ|",
      "edit_duration": 0.422,
      "isForceout": false
    },
    {
      "message_id": 92,
      "editor_id": 13,
      "message_received": "แล้วเห็นถ้วยก๋วยเตี๋ยวก่อนที่เขาจะ",
      "slice_count": 3,
      "slices": " |แล้วเห็นถ้วยก๋วยเตี๋ยว |ก่อนที่เขาจะ|",
      "edit_duration": 1.645,
      "isForceout": false
    },
    {
      "message_id": 93,
      "editor_id": 13,
      "message_received": "เอามาใส่เส้น ใส่เครื่องปรุง ใส่หมูให้เรา",
      "slice_count": 3,
      "slices": "เอามาใส่เส้น |ใส่เครื่องปรุง |ใส่หมูให้เรา|",
      "edit_duration": 1.815,
      "isForceout": false
    },
    {
      "message_id": 94,
      "editor_id": 13,
      "message_received": "ชามก๋วยเตี๋ยวมันเรียงขึ้นไปแบบนี้",
      "slice_count": 2,
      "slices": " |ชามก๋วยเตี๋ยวมันเรียงขึ้นไปแบบนี้|",
      "edit_duration": 0.75,
      "isForceout": false
    },
    {
      "message_id": 95,
      "editor_id": 13,
      "message_received": "ใช่ไหมคะ เวลาแม่ค้าเขาจะเอาจามก๋วยเตี๋ยวมาใส่ให้เรา",
      "slice_count": 2,
      "slices": " ใช่ไหมคะ |เวลาแม่ค้าเขาจะเอาชามก๋วยเตี๋ยวมาใส่ให้เรา|",
      "edit_duration": 2.607,
      "isForceout": false
    },
    {
      "message_id": 96,
      "editor_id": 13,
      "message_received": "เขาจะเอาชามก๋วยเตี๋ยวมาใส่ให้เรา เขาเอาชามที่อยู่",
      "slice_count": 2,
      "slices": " |เขาจะเอาชามที่อยู่|",
      "edit_duration": 2.967,
      "isForceout": false
    },
    {
      "message_id": 97,
      "editor_id": 13,
      "message_received": "ข้างบน หรือชามที่อยู่ข้างล่าง",
      "slice_count": 2,
      "slices": "ข้างบน| หรือชามที่อยู่ข้างล่าง|",
      "edit_duration": 6.621,
      "isForceout": false
    },
    {
      "message_id": 98,
      "editor_id": 13,
      "message_received": "เอาชามข้างบนหรือข้างล่างคะ ข้างบน",
      "slice_count": 2,
      "slices": " |เอาชามข้างบนหรือข้างล่างคะ |",
      "edit_duration": 4.095,
      "isForceout": false
    },
    {
      "message_id": 99,
      "editor_id": 13,
      "message_received": "เขาเอาข้างบนมาทำให้เรา",
      "slice_count": 1,
      "slices": "เขาเอาข้างบนมาทำให้เรา|",
      "edit_duration": 5.206,
      "isForceout": false
    },
    {
      "message_id": 100,
      "editor_id": 13,
      "message_received": "แล้วเวลาเขาล้างจานเสร็จแล้วนี่ เอาจาน",
      "slice_count": 4,
      "slices": " |แล้วเวลาเขาล้างจานเสร็จแล้วนี่ |เวลาเขาเอามาวางซ้อนนี่ |เอา|",
      "edit_duration": 1.205,
      "isForceout": true
    },
    {
      "message_id": 101,
      "editor_id": 13,
      "message_received": "มาซ้อนข้างล่างหรือซ้อนข้างบน ซ้อนข้างบน",
      "slice_count": 2,
      "slices": "ซ้อนข้างล่างหรือซ้อนข้างบน |ซ้อนข้างบน|",
      "edit_duration": 10.034,
      "isForceout": false
    },
    {
      "message_id": 102,
      "editor_id": 13,
      "message_received": "ใช่ไหมคะ เพราะฉะนั้น จานที่",
      "slice_count": 3,
      "slices": "ใช่ไหมคะ |เพราะฉะนั้น |จานที่|",
      "edit_duration": 7.146,
      "isForceout": false
    },
    {
      "message_id": 103,
      "editor_id": 13,
      "message_received": "อยู่บนสุดจะถูกเอาออกมาใช้ก่อน",
      "slice_count": 2,
      "slices": "อยู่บนสุด|จะถูกเอาออกมาใช้ก่อน|",
      "edit_duration": 4.823,
      "isForceout": false
    },
    {
      "message_id": 104,
      "editor_id": 13,
      "message_received": "และจากที่อยู่บนสุดนะคะ จะถูก",
      "slice_count": 3,
      "slices": " |และจานที่อยู่บนสุดนะคะ| จะถูก|",
      "edit_duration": 1.986,
      "isForceout": false
    },
    {
      "message_id": 105,
      "editor_id": 13,
      "message_received": "เอาเข้ามาเก็บทีหลัง อันนี้คือรูปแบบ",
      "slice_count": 2,
      "slices": "เอาเข้ามาเก็บทีหลัง |อันนี้คือรูปแบบ|",
      "edit_duration": 2.735,
      "isForceout": false
    },
    {
      "message_id": 106,
      "editor_id": 13,
      "message_received": "ของ Stack เช่นนะคะ เช่น ๆ",
      "slice_count": 3,
      "slices": "ของ Stack |เช่น นะคะ |เช่น ๆ |",
      "edit_duration": 1.43,
      "isForceout": false
    },
    {
      "message_id": 107,
      "editor_id": 13,
      "message_received": "เช่น สมมติ ครูมีกระดาษ 1 แผ่นนะ",
      "slice_count": 2,
      "slices": "สมมติ |ครูมีกระดาษ 1 แผ่นนะ|",
      "edit_duration": 5.314,
      "isForceout": false
    },
    {
      "message_id": 108,
      "editor_id": 13,
      "message_received": "ครูมีกระดาษอยู่ 1 แผ่น ทุกคนดูนะคะ",
      "slice_count": 4,
      "slices": " |ครูมีกระดาษอยู่ 1 แผ่น |ทุกคนดูนะคะ| |",
      "edit_duration": 6.093,
      "isForceout": false
    },
    {
      "message_id": 109,
      "editor_id": 13,
      "message_received": "ครูจะใส่กระดาษแผ่นที่ 2",
      "slice_count": 1,
      "slices": "ครูจะใส่กระดาษแผ่นที่ 2|",
      "edit_duration": 4.682,
      "isForceout": false
    },
    {
      "message_id": 110,
      "editor_id": 13,
      "message_received": "เห็นไหมคะ ครูซ่อนกระดาษแผ่นที่ 2 อยู่ข้างบน",
      "slice_count": 3,
      "slices": " |เห็นไหมคะ |ครูซ้อนกระดาษแผ่นที่ 2 อยู่ข้างบน|",
      "edit_duration": 1.254,
      "isForceout": false
    },
    {
      "message_id": 111,
      "editor_id": 13,
      "message_received": "ครูใส่ ครูใส่กระดาษ",
      "slice_count": 3,
      "slices": "นะ |ครูใส่ |ครูใส่กระดาษ|",
      "edit_duration": 2.105,
      "isForceout": false
    },
    {
      "message_id": 112,
      "editor_id": 13,
      "message_received": "แผ่นที่ 3 เข้าไปนะคะ แล้วครูก็ใส่",
      "slice_count": 2,
      "slices": "แผ่นที่ 3 เข้าไปนะคะ |แล้วครูก็ใส่|",
      "edit_duration": 1.265,
      "isForceout": false
    },
    {
      "message_id": 113,
      "editor_id": 13,
      "message_received": "กระดาษแผ่นที่ 4 เข้าไปในมือครู เวลา",
      "slice_count": 2,
      "slices": "กระดาษแผ่นที่ 4 เข้าไปในมือครู| เวลา|",
      "edit_duration": 1.856,
      "isForceout": false
    },
    {
      "message_id": 114,
      "editor_id": 13,
      "message_received": "ครูจะเอาออกมาใช้ครูจะเอาตัวล่างสุดหรือตัวบนสุดออกมาใช้",
      "slice_count": 3,
      "slices": "ครูจะเอาออกมาใช้ |ครูจะเอาตัวล่างสุด|หรือตัวบนสุดออกไปใช้|",
      "edit_duration": 1.107,
      "isForceout": false
    },
    {
      "message_id": 115,
      "editor_id": 13,
      "message_received": "ตัวบนสุดถูกไหมคะ",
      "slice_count": 3,
      "slices": " |ตัวบนสุด |ถูกไหมคะ |",
      "edit_duration": 1.573,
      "isForceout": false
    },
    {
      "message_id": 116,
      "editor_id": 13,
      "message_received": "ครูไม่พยายามจะดึงตัวล่างสุดออกมานะคะ ครูจะหยิบตัวบน",
      "slice_count": 2,
      "slices": "ครูไม่พยายามจะดึงตัวล่างสุดออกมานะคะ| แต่ครูจะหยิบตัวบน|",
      "edit_duration": 2.105,
      "isForceout": false
    },
    {
      "message_id": 117,
      "editor_id": 13,
      "message_received": "สุดอกไปใช้ ซึ่งตัวบนสุดนี่",
      "slice_count": 2,
      "slices": "สุดอกไปใช้ |ซึ่งตัวบนสุดนี่|",
      "edit_duration": 1.81,
      "isForceout": false
    },
    {
      "message_id": 118,
      "editor_id": 13,
      "message_received": "คือ กระดาษแผ่นที่เราใส่ไปล่าสุดนะคะ",
      "slice_count": 1,
      "slices": " คือ กระดาษแผ่นที่เราใส่ไปล่าสุดนะคะ |",
      "edit_duration": 3.081,
      "isForceout": false
    },
    {
      "message_id": 119,
      "editor_id": 13,
      "message_received": "เ",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 120,
      "editor_id": 13,
      "message_received": "เราสามารถสรุปได้แบบนี้นะ ข้อมูลที่อยู่ใน Stack",
      "slice_count": 2,
      "slices": "เราสามารถสรุปได้แบบนี้นะ |ข้อมูลที่เข้ามาใน  Stack|",
      "edit_duration": 1.29,
      "isForceout": false
    },
    {
      "message_id": 121,
      "editor_id": 13,
      "message_received": "ตัวแรกจะอยู่ด้านล่างสุด ข",
      "slice_count": 2,
      "slices": " |ตัวแรกจะอยู่ด้านล่างสุด |",
      "edit_duration": 4.369,
      "isForceout": false
    },
    {
      "message_id": 122,
      "editor_id": 13,
      "message_received": "ข้อมูลที่หย่อนลงไปใน Stack ตัวแรกจะอยู่ด้านล่างสุดเลย",
      "slice_count": 2,
      "slices": "ข้อมูลที่หย่อนลงไปใน Stack ตัวแรก |จะอยู่ด้านล่างสุดเลย|",
      "edit_duration": 4.112,
      "isForceout": false
    },
    {
      "message_id": 123,
      "editor_id": 13,
      "message_received": "นะคะ ตัวถัดไปก็จะซ้อนขึ้นมา",
      "slice_count": 3,
      "slices": "นะคะ |ตัวถัดไป|ก็จะซ้อนขึ้นมา|",
      "edit_duration": 2.034,
      "isForceout": false
    },
    {
      "message_id": 124,
      "editor_id": 13,
      "message_received": "เรื่อย ๆ ข้อมูลที่",
      "slice_count": 2,
      "slices": "เรื่อย ๆ |ข้อมูลที่|",
      "edit_duration": 0.854,
      "isForceout": false
    },
    {
      "message_id": 125,
      "editor_id": 13,
      "message_received": "เข้าไปใน Stack เป็นตัวสุดท้าย",
      "slice_count": 1,
      "slices": "เข้าไปใน Stack เป็นตัวสุดท้าย|",
      "edit_duration": 2.455,
      "isForceout": false
    },
    {
      "message_id": 126,
      "editor_id": 13,
      "message_received": "นะคะ จะอยู่บนสุด แล้วเวลา",
      "slice_count": 2,
      "slices": " จะอยู่บนสุดนะคะ | แล้วเวลา|",
      "edit_duration": 4.467,
      "isForceout": false
    },
    {
      "message_id": 127,
      "editor_id": 13,
      "message_received": "เราเอาข้อมูลใน Stack ออกมาใช้งาน",
      "slice_count": 1,
      "slices": "เราเอาข้อมูลใน Stack ออกมาใช้งาน|",
      "edit_duration": 4.099,
      "isForceout": false
    },
    {
      "message_id": 128,
      "editor_id": 13,
      "message_received": "ข้อมูลที่เข้าไปเป็นตัวล่าสุด",
      "slice_count": 2,
      "slices": " |ข้อมูลที่เข้าไปเป็นตัวล่าสุด|",
      "edit_duration": 0.767,
      "isForceout": false
    },
    {
      "message_id": 129,
      "editor_id": 13,
      "message_received": "หรือตัวลำดับสุดท้าย  จะถูก",
      "slice_count": 2,
      "slices": "หรือตัวลำดับสุดท้าย |  จะถูก|",
      "edit_duration": 1.109,
      "isForceout": false
    },
    {
      "message_id": 130,
      "editor_id": 13,
      "message_received": "ดึงออกมาใช้งานก่อน ตัวไหน",
      "slice_count": 2,
      "slices": "ดึงออกมาใช้งานก่อน |ตัวไหน|",
      "edit_duration": 0.536,
      "isForceout": false
    },
    {
      "message_id": 131,
      "editor_id": 13,
      "message_received": "ที่เข้าไปตัวแรกจะถูกเอามาใช้งาน",
      "slice_count": 2,
      "slices": "ที่เข้าไปตัวแรก|จะถูกเอามาใช้งาน|",
      "edit_duration": 1.091,
      "isForceout": false
    },
    {
      "message_id": 132,
      "editor_id": 13,
      "message_received": "เป็นตัวสุดท้ายนะคะ เพราะมันอยู่ล่างสุด",
      "slice_count": 2,
      "slices": "เป็นตัวสุดท้ายนะคะ |เพราะมันอยู่ล่างสุด|",
      "edit_duration": 0.504,
      "isForceout": false
    },
    {
      "message_id": 133,
      "editor_id": 13,
      "message_received": "มันก็ใช้ยาก เราต้องใช้ตัวบน ค่อย ๆ ดึงตัวบน",
      "slice_count": 4,
      "slices": " เวลาดึงออกมาใช้ |มันก็ใช้ยาก |เราต้องใช้ตัวบน |ค่อย ๆ ดึงตัวบน|",
      "edit_duration": 5.123,
      "isForceout": false
    },
    {
      "message_id": 134,
      "editor_id": 13,
      "message_received": "ออกไปก่อน",
      "slice_count": 1,
      "slices": "ออกไปก่อน|",
      "edit_duration": 4.686,
      "isForceout": false
    },
    {
      "message_id": 135,
      "editor_id": 13,
      "message_received": "คราวนี้เวลาเราเอาข้อมูลใส่ใน Stack",
      "slice_count": 2,
      "slices": " |คราวนี้เวลาเราเอาข้อมูลใส่ใน Stack|",
      "edit_duration": 0.68,
      "isForceout": false
    },
    {
      "message_id": 136,
      "editor_id": 13,
      "message_received": "เราพูดถึง Stack ก็เหมือนภาชนะนะ Stack",
      "slice_count": 4,
      "slices": " |เราพูดถึง Stack ก็เหมือนภาชนะนะ |ตอนนี้ ทุกดคนมอง |Stack|",
      "edit_duration": 0.588,
      "isForceout": false
    },
    {
      "message_id": 137,
      "editor_id": 13,
      "message_received": "เป็นช่องแบบนี้ เป็นช่องสี่เหลี่ย",
      "slice_count": 3,
      "slices": " |เป็นช่องแบบนี้ |เป็นช่องสี่เหลี่ย|",
      "edit_duration": 5.429,
      "isForceout": false
    },
    {
      "message_id": 138,
      "editor_id": 13,
      "message_received": "ในแนวตั้ง ถ้าเราพูดถึง Stack นะ",
      "slice_count": 2,
      "slices": "ม เป็นช่องในแนวตั้ง |ถ้าเราพูดถึง Stack นะ|",
      "edit_duration": 8.806,
      "isForceout": false
    },
    {
      "message_id": 139,
      "editor_id": 13,
      "message_received": "ดูรูปนี้ก่อน อย่างนี้ มันจะอยู่ในแนวนอนหรือแนวตั้งก็ได้",
      "slice_count": 4,
      "slices": " |ดูรูปนี้ก่อน |อย่างนี้ |มันจะอยู่ในแนวนอนหรือแนวตั้งก็ได้|",
      "edit_duration": 6.154,
      "isForceout": false
    },
    {
      "message_id": 140,
      "editor_id": 13,
      "message_received": "มันจะอยู่ในแนวนอนหรือแนวตั้งก็ได้",
      "slice_count": 2,
      "slices": " |มันจะอยู่ในแนวนอนหรือแนวตั้งก็ได้|",
      "edit_duration": 5.161,
      "isForceout": false
    },
    {
      "message_id": 141,
      "editor_id": 13,
      "message_received": "ถ้าพูดถึง Stack ก้คือเป็นชั้น ๆ",
      "slice_count": 3,
      "slices": " |ถ้าพูดถึง Stack ก็คือเป็นชั้น เป็นชั้น| |",
      "edit_duration": 2.865,
      "isForceout": false
    },
    {
      "message_id": 142,
      "editor_id": 13,
      "message_received": "เลื่อนขึ้นไปเรื่อย ๆ นะคะ ใน Stack",
      "slice_count": 2,
      "slices": "เลื่อนขึ้นไปเรื่อย ๆ นะคะ |ใน Stack|",
      "edit_duration": 5.552,
      "isForceout": false
    },
    {
      "message_id": 143,
      "editor_id": 13,
      "message_received": "เราทำอะไรได้บ้าง เราใส่ข้อมูลลงไป",
      "slice_count": 3,
      "slices": " |เราทำอะไรได้บ้าง |เราใส่ข้อมูลลงไป|",
      "edit_duration": 2.625,
      "isForceout": false
    },
    {
      "message_id": 144,
      "editor_id": 13,
      "message_received": "เราดึงข้อมูลออกมา คราวนี้",
      "slice_count": 3,
      "slices": " |เราดึงข้อมูลออกมา |คราวนี้|",
      "edit_duration": 0.769,
      "isForceout": false
    },
    {
      "message_id": 145,
      "editor_id": 13,
      "message_received": "stackถ้ามันไม่มีข้อมูลอะไรเลย",
      "slice_count": 1,
      "slices": " stack ถ้ามันไม่มีข้อมูลอะไรเลย|",
      "edit_duration": 6.442,
      "isForceout": false
    },
    {
      "message_id": 146,
      "editor_id": 13,
      "message_received": "เราเรียกว่า \"Stack ว่าง\" คือ มันมีค่าว่าง ๆ",
      "slice_count": 3,
      "slices": " |เราเรียกว่า \"Stack ว่าง\" |คือ มันมีค่าว่าง ๆ |",
      "edit_duration": 2.439,
      "isForceout": false
    },
    {
      "message_id": 147,
      "editor_id": 13,
      "message_received": "ไม่มีตัวอักษรอะไรเลยนะ อันนี้",
      "slice_count": 2,
      "slices": "ไม่มีตัวเลข ไม่มีตัวอักษรอะไรเลยนะ |อันนี้|",
      "edit_duration": 8.075,
      "isForceout": false
    },
    {
      "message_id": 148,
      "editor_id": 13,
      "message_received": "คือ Stack ว่าง",
      "slice_count": 1,
      "slices": "คือ Stack ว่าง|",
      "edit_duration": 5.664,
      "isForceout": false
    },
    {
      "message_id": 149,
      "editor_id": 13,
      "message_received": "ถ้าเราจะใส่ข้อมูลลงไปใน Stack",
      "slice_count": 2,
      "slices": " |ถ้าเราจะใส่ข้อมูลลงไปใน Stack|",
      "edit_duration": 1.673,
      "isForceout": false
    },
    {
      "message_id": 150,
      "editor_id": 13,
      "message_received": "เราจะมีคำสั่งที่ชื่อว่า Push",
      "slice_count": 1,
      "slices": "เราจะมีคำสั่งที่ชื่อว่า Push|",
      "edit_duration": 6.757,
      "isForceout": false
    },
    {
      "message_id": 151,
      "editor_id": 13,
      "message_received": "คือคำสั่งตัวนี้นะคะ",
      "slice_count": 2,
      "slices": " |คือ คำสั่งตัวนี้นะคะ |",
      "edit_duration": 2.756,
      "isForceout": false
    },
    {
      "message_id": 152,
      "editor_id": 13,
      "message_received": "คำสั่ง Push ก็คือใส่",
      "slice_count": 2,
      "slices": "คำสั่ง Push |ก็คือใส่|",
      "edit_duration": 3.192,
      "isForceout": false
    },
    {
      "message_id": 153,
      "editor_id": 13,
      "message_received": "ข้อมูลลงไปใน Stack ถ้าต้องการเอา",
      "slice_count": 2,
      "slices": "ข้อมูลลงไปใน Stack |ถ้าต้องการเอา|",
      "edit_duration": 2.352,
      "isForceout": false
    },
    {
      "message_id": 154,
      "editor_id": 13,
      "message_received": "ข้อมูลออกจาก Stack เราใช้คำสั่ง Pop นะคะ",
      "slice_count": 2,
      "slices": "ข้อมูลออกจาก Stack| เราใช้คำสั่ง Pop นะคะ |",
      "edit_duration": 1.879,
      "isForceout": false
    },
    {
      "message_id": 155,
      "editor_id": 13,
      "message_received": "มีอยู่ 2 ตัวที่ทุกคนต้องรู้จัก",
      "slice_count": 2,
      "slices": "มีอยู่ 2 ตัว |ที่ทุกคนต้องรู้จัก|",
      "edit_duration": 1.868,
      "isForceout": false
    },
    {
      "message_id": 156,
      "editor_id": 13,
      "message_received": "เมื่อพูดถึง Stack คือ Push กับ Pop",
      "slice_count": 1,
      "slices": "เมื่อพูดถึง Stack คือ Push กับ Pop|",
      "edit_duration": 4.818,
      "isForceout": false
    },
    {
      "message_id": 157,
      "editor_id": 13,
      "message_received": "Push คือใส่ ก็คือเอ",
      "slice_count": 4,
      "slices": " |Push คือใส่| ถูกไหม เอาข้อมูลเข้าไปเก็บ |ก็คือเอ|",
      "edit_duration": 0.809,
      "isForceout": true
    },
    {
      "message_id": 158,
      "editor_id": 13,
      "message_received": "ส่วน Pop ก็คือเอาออกนะคะ Pop คือ เอาออก",
      "slice_count": 2,
      "slices": "าส่วน Pop |ก็คือเอาออกนะคะ Pop คือ เอาออก|",
      "edit_duration": 11.977,
      "isForceout": true
    },
    {
      "message_id": 159,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 160,
      "editor_id": 13,
      "message_received": "คราวนี้มาดูตัวอย่างนะคะ มีแต่ Push กับ Pop",
      "slice_count": 1,
      "slices": "คราวนี้มาดูตัวอย่างนะคะ มีแต่ Push กับ Pop|",
      "edit_duration": 7.668,
      "isForceout": false
    },
    {
      "message_id": 161,
      "editor_id": 13,
      "message_received": "2 ตัว เราเริ่มต้น Stack ไม่มีอะไรเลย",
      "slice_count": 2,
      "slices": " 2 ตัว| เราเริ่มต้น Stack ไม่มีอะไรเลย|",
      "edit_duration": 3.673,
      "isForceout": false
    },
    {
      "message_id": 162,
      "editor_id": 13,
      "message_received": "เป็นค่าว่าง ๆ ถูกไหมคะ เป็น Stack ว่าง",
      "slice_count": 3,
      "slices": " |เป็นค่าว่าง ๆ ถูกไหมคะ |เป็น Stack ว่าง|",
      "edit_duration": 1.36,
      "isForceout": false
    },
    {
      "message_id": 163,
      "editor_id": 13,
      "message_received": "ครูบอกว่าครู Push",
      "slice_count": 1,
      "slices": " ครูบอกว่าครู Push|",
      "edit_duration": 5.22,
      "isForceout": false
    },
    {
      "message_id": 164,
      "editor_id": 13,
      "message_received": "คำสั่ง Push Push ค่าอะไร ค่า a เมื่อไรก็ตาม",
      "slice_count": 6,
      "slices": " |คำสั่ง Push| Push ค่าอะไร| ค่า a |เมื่อไร|ก็ตาม|",
      "edit_duration": 1.22,
      "isForceout": false
    },
    {
      "message_id": 165,
      "editor_id": 13,
      "message_received": "ที่ใช้คำสั่ง Push ต้องบอกด",
      "slice_count": 2,
      "slices": "ที่ใช้คำสั่ง Push |ต้องบอกด้วยว่า|",
      "edit_duration": 1.402,
      "isForceout": false
    },
    {
      "message_id": 166,
      "editor_id": 13,
      "message_received": "จะใส่ค่าอะไรด้วยนะคะ",
      "slice_count": 1,
      "slices": "จะใส่ค่าอะไรด้วยนะคะ |",
      "edit_duration": 4.234,
      "isForceout": false
    },
    {
      "message_id": 167,
      "editor_id": 13,
      "message_received": "เรา Push ค่า a ลงไป",
      "slice_count": 1,
      "slices": "เรา Push ค่า a ลงไป|",
      "edit_duration": 3.842,
      "isForceout": false
    },
    {
      "message_id": 168,
      "editor_id": 13,
      "message_received": "เห็นไหม มันก็อยู่ด้านล่างสุดนะคะ ถัดมา",
      "slice_count": 4,
      "slices": " |เห็นไหม| มันก็อยู่ด้านล่างสุดนะคะ |ถัดมา|",
      "edit_duration": 0.969,
      "isForceout": false
    },
    {
      "message_id": 169,
      "editor_id": 13,
      "message_received": "ถ้าครูใส่คำสั่ง",
      "slice_count": 1,
      "slices": "ถ้าครูใส่คำสั่ง|",
      "edit_duration": 3.582,
      "isForceout": false
    },
    {
      "message_id": 170,
      "editor_id": 13,
      "message_received": "ตัวบนก่อน Push b ก็ใส่ b ลงมาเห็นไหมคะ",
      "slice_count": 5,
      "slices": "ตัวบนก่อน |Push b |ก็ใส่ b |ลงมา |เห็นไหมคะ |",
      "edit_duration": 0.742,
      "isForceout": false
    },
    {
      "message_id": 171,
      "editor_id": 13,
      "message_received": "ถัดจาก a ก็คือ b Push c",
      "slice_count": 2,
      "slices": "ถัดจาก a ก็คือ b |Push c|",
      "edit_duration": 2.167,
      "isForceout": false
    },
    {
      "message_id": 172,
      "editor_id": 13,
      "message_received": "ก็อยู่ถัดขึ้นไป และ Push(D) อยู่",
      "slice_count": 3,
      "slices": " |ก็อยู่ถัดขึ้นไป |และ Push (D) อยู่|",
      "edit_duration": 1.041,
      "isForceout": false
    },
    {
      "message_id": 173,
      "editor_id": 13,
      "message_received": "บนสุดนะคะ เรียงตรามลำดับของการ",
      "slice_count": 2,
      "slices": "บนสุดนะคะ |เรียงตรามลำดับของการ|",
      "edit_duration": 1.693,
      "isForceout": false
    },
    {
      "message_id": 174,
      "editor_id": 13,
      "message_received": "ใส่ข้อมูลเข้าไป",
      "slice_count": 1,
      "slices": "ใส่ข้อมูลเข้าไป|",
      "edit_duration": 1.871,
      "isForceout": false
    },
    {
      "message_id": 175,
      "editor_id": 13,
      "message_received": "คราวนี้อยากจะเอาออกบ้าง",
      "slice_count": 1,
      "slices": " คราวนี้อยากจะเอาออกบ้าง|",
      "edit_duration": 3.173,
      "isForceout": false
    },
    {
      "message_id": 176,
      "editor_id": 13,
      "message_received": "เอาข้อมูลออกจาก Stack ไปใช้งาน จะใช้คำสั่ง Pop",
      "slice_count": 2,
      "slices": "เอาข้อมูลออกจาก Stack ไปใช้งาน |จะใช้คำสั่ง Pop|",
      "edit_duration": 0.793,
      "isForceout": false
    },
    {
      "message_id": 177,
      "editor_id": 13,
      "message_received": "Pop นะ Pop",
      "slice_count": 3,
      "slices": " |Pop นะ| Pop|",
      "edit_duration": 1.85,
      "isForceout": false
    },
    {
      "message_id": 178,
      "editor_id": 13,
      "message_received": "แล้วตามด้วยวงเล็บเปิดและวงเล็บปิด ไม่ต้องใส่ค่าอะไร",
      "slice_count": 2,
      "slices": " แล้วตามด้วยวงเล็บเปิด วงเล็บปิด| ไม่ต้องใส่ค่าอะไร|",
      "edit_duration": 3.964,
      "isForceout": false
    },
    {
      "message_id": 179,
      "editor_id": 13,
      "message_received": "เพราะเราจะไปดึงค่าที่อยู่ใน Stack ออกมา",
      "slice_count": 2,
      "slices": " |เพราะเราจะไปดึงค่าที่อยู่ใน Stack ออกมา|",
      "edit_duration": 1.834,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 180,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 181,
      "editor_id": 13,
      "message_received": "เราสั่งคำสั่ง Pop เราเอาข้อมูล",
      "slice_count": 2,
      "slices": "เราสั่งคำสั่ง Pop| เราเอาข้อมูล|",
      "edit_duration": 2.255,
      "isForceout": false
    },
    {
      "message_id": 182,
      "editor_id": 13,
      "message_received": "บนสุดนะคะ Pop ให้เอาข้อมูลบนสุด",
      "slice_count": 3,
      "slices": "บนสุดนะคะ| Pop |ให้เอาข้อมูลบนสุด|",
      "edit_duration": 1.066,
      "isForceout": false
    },
    {
      "message_id": 183,
      "editor_id": 13,
      "message_received": "ที่อยู่ใน Stack ดึงออกมา",
      "slice_count": 2,
      "slices": "ที่อยู่ใน Stack| ดึงออกมา|",
      "edit_duration": 1.254,
      "isForceout": false
    },
    {
      "message_id": 184,
      "editor_id": 13,
      "message_received": "เพราะฉะนั้น เดิมเป็นแบบนี้ ถูกไหม",
      "slice_count": 4,
      "slices": " |เพราะฉะนั้น |เดิมเป็นแบบนี้ |ถูกไหม|",
      "edit_duration": 1.461,
      "isForceout": false
    },
    {
      "message_id": 185,
      "editor_id": 13,
      "message_received": "ครูใช้คำสั่ง Pop อะไรออกมาเอ่ย",
      "slice_count": 2,
      "slices": " |ครูใช้คำสั่ง Pop อะไรออกมาเอ่ย|",
      "edit_duration": 0.885,
      "isForceout": false
    },
    {
      "message_id": 186,
      "editor_id": 13,
      "message_received": "ตัว D Dog จะออกมา เพราะ D Dog",
      "slice_count": 3,
      "slices": " |ตัว D Dog จะออกมา |เพราะว่า D Dog|",
      "edit_duration": 0.74,
      "isForceout": false
    },
    {
      "message_id": 187,
      "editor_id": 13,
      "message_received": "อยู่บนสุดนะคะ",
      "slice_count": 1,
      "slices": " อยู่บนสุดนะคะ |",
      "edit_duration": 5.574,
      "isForceout": false
    },
    {
      "message_id": 188,
      "editor_id": 13,
      "message_received": "ถัดมา",
      "slice_count": 1,
      "slices": "ถัดมา|",
      "edit_duration": 6.996,
      "isForceout": false
    },
    {
      "message_id": 189,
      "editor_id": 13,
      "message_received": "ครู Push คือใส่เข้าไป",
      "slice_count": 3,
      "slices": " |ครู Push |Push คือ ใส่เข้าไป|",
      "edit_duration": 3.014,
      "isForceout": false
    },
    {
      "message_id": 190,
      "editor_id": 13,
      "message_received": "ไม่มี D Dog แล้วนะ ครู Push e เห็นไหมคะ เวลา Push",
      "slice_count": 4,
      "slices": " |ไม่มี D Dog แล้วนะ| ครู Push e เห็นไหมคะ| เวลา Push|",
      "edit_duration": 8.004,
      "isForceout": false
    },
    {
      "message_id": 191,
      "editor_id": 13,
      "message_received": "ต้องบอกด้วยว่าเราใส่ค่าอะไร",
      "slice_count": 2,
      "slices": " ต้องบอกด้วย |ว่าเราใส่ค่าอะไร|",
      "edit_duration": 8.617,
      "isForceout": false
    },
    {
      "message_id": 192,
      "editor_id": 13,
      "message_received": "แล้วก็ใส่ตัว e วงเล็บปิด ครู Push ค่า e ลงไป",
      "slice_count": 2,
      "slices": "แล้วก็ใส่ตัว e วงเล็บปิด| ครู Push ค่า e ลงไป|",
      "edit_duration": 6.241,
      "isForceout": false
    },
    {
      "message_id": 193,
      "editor_id": 13,
      "message_received": "E จะอยู่ด้านบน C เสร็จแล้ว Push",
      "slice_count": 4,
      "slices": " |E จะอยู่ด้านบน| C เสร็จแล้ว| Push|",
      "edit_duration": 3.796,
      "isForceout": false
    },
    {
      "message_id": 194,
      "editor_id": 13,
      "message_received": "อีกครั้งหนึ่ง f ก็จะอยู่บนสุดนะคะ",
      "slice_count": 3,
      "slices": " อีกครั้งหนึ่ง| f ก็จะอยู่บนสุดนะคะ| |",
      "edit_duration": 3.222,
      "isForceout": false
    },
    {
      "message_id": 195,
      "editor_id": 13,
      "message_received": "ถัดมาครู Pop",
      "slice_count": 2,
      "slices": "ถัดมา |ครู Pop|",
      "edit_duration": 1.486,
      "isForceout": false
    },
    {
      "message_id": 196,
      "editor_id": 13,
      "message_received": "Pop คือ เอาออก เอาอะไรออก ข้างบนสุดคืออะไรคะ",
      "slice_count": 5,
      "slices": " |Pop คือ เอาออก| เอาอะไรออก| ก็บนสุด |คืออะไรคะ|",
      "edit_duration": 0.712,
      "isForceout": false
    },
    {
      "message_id": 197,
      "editor_id": 13,
      "message_received": "เอา F ออก เพราะฉะนั้นข้อมูล",
      "slice_count": 4,
      "slices": " |เอา F ออก |เพราะฉะนั้น |ข้อมูล|",
      "edit_duration": 6.098,
      "isForceout": false
    },
    {
      "message_id": 198,
      "editor_id": 13,
      "message_received": "จะเหลืออยู่ 4 ตัว ก็คือ a, b, c แล้วก็ e",
      "slice_count": 3,
      "slices": "จะเหลืออยู่ 4 ตัว |ก็คือ a, b, c |แล้วก็ e|",
      "edit_duration": 5.097,
      "isForceout": false
    },
    {
      "message_id": 199,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 200,
      "editor_id": 13,
      "message_received": "โอเค ถัดมา",
      "slice_count": 3,
      "slices": " |โอเค| ถัดมา|",
      "edit_duration": 0.888,
      "isForceout": false
    },
    {
      "message_id": 201,
      "editor_id": 13,
      "message_received": "เราแทน Stack ด้วยอะไร",
      "slice_count": 2,
      "slices": " |เราแทน Stack ด้วยอะไร|",
      "edit_duration": 0.786,
      "isForceout": false
    },
    {
      "message_id": 202,
      "editor_id": 13,
      "message_received": "นะคะ อย่างที่ครูบอกว่าลิสต์",
      "slice_count": 3,
      "slices": " |นะคะ |อย่างที่ครูบอกว่าลิสต์|",
      "edit_duration": 1.051,
      "isForceout": false
    },
    {
      "message_id": 203,
      "editor_id": 13,
      "message_received": "จะถูกเอามาใช้แทนนะคะ การเก็บข้อมูล",
      "slice_count": 2,
      "slices": "จะถูกเอามาใช้แทนนะคะ |การจัดเก็บข้อมูล|",
      "edit_duration": 1.539,
      "isForceout": false
    },
    {
      "message_id": 204,
      "editor_id": 13,
      "message_received": "ใน Stack เราพูดถึง Stack แล้วมันจัดเก็บแบบไหน ลิสต์",
      "slice_count": 4,
      "slices": "ใน Stack |เราพูดถึง Stack |แล้วมันเก็บแบบไหน| เราก็ใช้ลิสต์|",
      "edit_duration": 1.273,
      "isForceout": false
    },
    {
      "message_id": 205,
      "editor_id": 13,
      "message_received": "นั่นล่ะในการเก็บข้อมูล",
      "slice_count": 1,
      "slices": "นั่นล่ะในการเก็บข้อมูล|",
      "edit_duration": 7.178,
      "isForceout": false
    },
    {
      "message_id": 206,
      "editor_id": 13,
      "message_received": "ลิสต์นะคะ เราสามารถวาดเป็นแนวตั้งหรือแนวนอน",
      "slice_count": 4,
      "slices": " |ลิสต์นะคะ| เราสามารถวาดเป็นแนวตั้ง|หรือแนวนอน|",
      "edit_duration": 3.177,
      "isForceout": false
    },
    {
      "message_id": 207,
      "editor_id": 13,
      "message_received": "ก็ได้นะ สามารถวาดเป็นแนวนอน",
      "slice_count": 2,
      "slices": "ก็ได้นะ |สามารถวาดเป็นแนว|",
      "edit_duration": 1.688,
      "isForceout": false
    },
    {
      "message_id": 208,
      "editor_id": 13,
      "message_received": "หรือแนวนอนก็ได้ ข้อมูลที่ใส่เข้ามาตัวแรกนะคะ",
      "slice_count": 2,
      "slices": "ตั้งหรือแนวนอนก็ได้ |ข้อมูลที่ใส่เข้ามาตัวแรกนะคะ |",
      "edit_duration": 4.645,
      "isForceout": false
    },
    {
      "message_id": 209,
      "editor_id": 13,
      "message_received": "จะอยู่ที่ index 0 ก็คือข้อมูลตัวแรก",
      "slice_count": 2,
      "slices": "จะอยู่ที่ index 0 |ก็คือข้อมูลตัวแรก|",
      "edit_duration": 2.312,
      "isForceout": false
    },
    {
      "message_id": 210,
      "editor_id": 13,
      "message_received": "ไล่ไปเรื่อย ๆ จนถึงข้อมูลตัวสุดท้าย",
      "slice_count": 3,
      "slices": " |ไล่ไปเรื่อย ๆ |จนถึงข้อมูลตัวสุดท้าย |",
      "edit_duration": 0.907,
      "isForceout": false
    },
    {
      "message_id": 211,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 212,
      "editor_id": 13,
      "message_received": "Stack ที่ครูให้มานี่ ที่เก็บอยู่",
      "slice_count": 2,
      "slices": "Stack ที่ครูให้มานี่ |ที่เก็บอยู่|",
      "edit_duration": 1.648,
      "isForceout": false
    },
    {
      "message_id": 213,
      "editor_id": 13,
      "message_received": "ในรูปแบบที่เป็นลิสต์นี่",
      "slice_count": 1,
      "slices": "ในรูปแบบที่เป็นลิสต์นี่|",
      "edit_duration": 1.801,
      "isForceout": false
    },
    {
      "message_id": 214,
      "editor_id": 13,
      "message_received": "มันมีที่ว่างให้ใส่ได้อีกไหม Stack รูปนี้",
      "slice_count": 3,
      "slices": " มันมีช่องว่าไหมคะ |มันมีที่ว่างให้ใส่ได้อีกไหม| Stack รูปนี้|",
      "edit_duration": 6.158,
      "isForceout": false
    },
    {
      "message_id": 215,
      "editor_id": 13,
      "message_received": "มีอยู่ 4 ช่องด้วยกัน ทุกช่องมีค่าไหมคะ",
      "slice_count": 3,
      "slices": "มีอยู่ 4 ช่องด้วยกัน |ทุกช่องมีค่าไหมคะ| |",
      "edit_duration": 4.777,
      "isForceout": false
    },
    {
      "message_id": 216,
      "editor_id": 13,
      "message_received": "ทุกช่องมีค่านะ",
      "slice_count": 2,
      "slices": "ทุกช่องมีค่าน|ะ|",
      "edit_duration": 2.642,
      "isForceout": false
    },
    {
      "message_id": 217,
      "editor_id": 13,
      "message_received": "มันเต็มหรือยังคะ",
      "slice_count": 1,
      "slices": " มันเต็มหรือยังคะ|",
      "edit_duration": 3.053,
      "isForceout": false
    },
    {
      "message_id": 218,
      "editor_id": 13,
      "message_received": "มันมีที่ว่างให้ใส่อีกไหมคะ ไม่มีแล้ว",
      "slice_count": 3,
      "slices": " มันมีที่ว่างให้ใส่ไหมคะ| มันมีที่ว่างให้ใส่อีกไหมึะ| ไม่มีแล้ว|",
      "edit_duration": 2.649,
      "isForceout": false
    },
    {
      "message_id": 219,
      "editor_id": 13,
      "message_received": "อย่างนี้เรียกว่า Stack เต็มแล้ว",
      "slice_count": 2,
      "slices": " |อย่างนี้เรียกว่า Stack เต็มแล้ว|",
      "edit_duration": 6.895,
      "isForceout": false
    },
    {
      "message_id": 220,
      "editor_id": 13,
      "message_received": "นะคะ คือ ไม่มีช่องว่างให้เราใส่ข้อมูลตัวใหม่ได้แล้ว",
      "slice_count": 2,
      "slices": "นะคะ |คือ ไม่มีช่องว่างให้เราใส่ข้อมูลตัวใหม่ได้แล้ว|",
      "edit_duration": 5.553,
      "isForceout": false
    },
    {
      "message_id": 221,
      "editor_id": 13,
      "message_received": "นะคะ แบบนี้เรียกว่า Stack มันเต็มแล้ง",
      "slice_count": 3,
      "slices": "นะคะ |อย่างนี้ |เรียกว่า \"Stack มันเต็มแล้|",
      "edit_duration": 3.54,
      "isForceout": true
    },
    {
      "message_id": 222,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 223,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 224,
      "editor_id": 13,
      "message_received": "คราวนี้ เรามี 2 คำสั่ง",
      "slice_count": 3,
      "slices": "ว\" |คราวนี้| เรามี 2 คำสั่ง|",
      "edit_duration": 3.282,
      "isForceout": false
    },
    {
      "message_id": 225,
      "editor_id": 13,
      "message_received": "ที่พูดถึงนะ Push กับ Pop",
      "slice_count": 2,
      "slices": "ที่พูดถึงนะ |Push กับ Pop|",
      "edit_duration": 1.276,
      "isForceout": false
    },
    {
      "message_id": 226,
      "editor_id": 13,
      "message_received": "Push ก็คือใส่ข้อมูลลงไปใน Stack",
      "slice_count": 2,
      "slices": " นะคะ |Push ก็คือใส่ข้อมูลลงไปใน Stack|",
      "edit_duration": 2.553,
      "isForceout": false
    },
    {
      "message_id": 227,
      "editor_id": 13,
      "message_received": "เช่น ครูมี Stack",
      "slice_count": 1,
      "slices": " เช่น ครูมี Stack|",
      "edit_duration": 3.82,
      "isForceout": false
    },
    {
      "message_id": 228,
      "editor_id": 13,
      "message_received": "อย่างนี้ใช่ไหม มันมีที่ว่างให้ครูใส่ข้อมูลได้ไหมคะ มันมี",
      "slice_count": 4,
      "slices": " อย่างนี้ใช่ไหม |มันมีที่ว่างให้ครูใส่ข้อมูลได้ไหมคะ| มีนะ| มันมี|",
      "edit_duration": 2.171,
      "isForceout": false
    },
    {
      "message_id": 229,
      "editor_id": 13,
      "message_received": "ที่ว่างให้ครูใส่ข้อมูลได้ ครู",
      "slice_count": 2,
      "slices": "ที่ว่างให้ครูใส่ข้อมูลได้นะคะ| ครู|",
      "edit_duration": 4.878,
      "isForceout": false
    },
    {
      "message_id": 230,
      "editor_id": 13,
      "message_received": "ก็เลยสั่งคำสั่ง Push 3 ก็คือเอาข้อมูล 3 นี่",
      "slice_count": 2,
      "slices": "ก็เลยสั่งคำสั่ง Push 3 |ก็คือเอาข้อมูล 3 นี่|",
      "edit_duration": 2.969,
      "isForceout": false
    },
    {
      "message_id": 231,
      "editor_id": 13,
      "message_received": "ไปหย่อนลงใน Stack มันจะเอามาใส่ช่องนี้",
      "slice_count": 2,
      "slices": " ไปหย่อนลงใน Stack |มันจะเอามาใส่ช่องนี้|",
      "edit_duration": 2.693,
      "isForceout": false
    },
    {
      "message_id": 232,
      "editor_id": 13,
      "message_received": "ช่องที่ 1 หรือช่องที่ 2 ค่ะ ช่องที่ 1",
      "slice_count": 3,
      "slices": " |ช่องที่ 1 หรือช่องที่ 2 ค่ะ |ช่องที่ 1|",
      "edit_duration": 0.727,
      "isForceout": false
    },
    {
      "message_id": 233,
      "editor_id": 13,
      "message_received": "ถูกไหม ก็ไล่ลำดับลงมาเรื่อย ๆ",
      "slice_count": 3,
      "slices": " |ถูกไหม |ก็ไล่ลำดับลงมาเรื่อย ๆ |",
      "edit_duration": 0.902,
      "isForceout": false
    },
    {
      "message_id": 234,
      "editor_id": 13,
      "message_received": "มันอยู่ช่องนี้แล้ว ข้อมูลล่าสุดอยู่ช่องนี้",
      "slice_count": 2,
      "slices": "มันอยู่ช่องนี้แล้ว |ข้อมูลล่าสุดอยู่ช่องนี้|",
      "edit_duration": 1.162,
      "isForceout": false
    },
    {
      "message_id": 235,
      "editor_id": 13,
      "message_received": "มันก็ไหลลงไปจนถึงตัวสุดท้าย",
      "slice_count": 2,
      "slices": " เพราะฉะนั้น เวลาเราหย่อนลงไป |มันก็ไหลลงไปจนถึงตัวสุดท้าย|",
      "edit_duration": 7.561,
      "isForceout": false
    },
    {
      "message_id": 236,
      "editor_id": 13,
      "message_received": "ที่มันสามารถจะใส่ได้ ก็คือในช่องตรงนี้ ก็คือจะเอา 3",
      "slice_count": 3,
      "slices": "ที่มันสามารถจะใส่ได้ |ก็คือในช่องตรงนี้ |ก็คือจะเอา 3|",
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      "isForceout": false
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      "message_id": 237,
      "editor_id": 13,
      "message_received": "มาใส่",
      "slice_count": 1,
      "slices": " มาใส่|",
      "edit_duration": 5.753,
      "isForceout": false
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      "editor_id": 13,
      "message_received": "แล้วเราใส่ด้วยคำสั่งอะไร",
      "slice_count": 2,
      "slices": " |แล้วเราใส่ด้วยคำสั่งอะไร|",
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      "isForceout": false
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    {
      "message_id": 239,
      "editor_id": 13,
      "message_received": "เราใช้ List นะคะ",
      "slice_count": 2,
      "slices": " |เราใช้ List นะคะ |",
      "edit_duration": 0.936,
      "isForceout": false
    },
    {
      "message_id": 240,
      "editor_id": 13,
      "message_received": "ในการจัดเก็บข้อมูล เราใช้ลิสต์ในการจัดเก็บข้อมูล",
      "slice_count": 2,
      "slices": "ในการจัดเก็บข้อมูล| เราใช้ลิสต์ในการจัดเก็บข้อมูล|",
      "edit_duration": 1.176,
      "isForceout": false
    },
    {
      "message_id": 241,
      "editor_id": 13,
      "message_received": "เพราะฉะนั้นคำสั่งของการ",
      "slice_count": 3,
      "slices": " |เพราะฉะนั้น |คำสั่งของการ|",
      "edit_duration": 5.063,
      "isForceout": false
    },
    {
      "message_id": 242,
      "editor_id": 13,
      "message_received": "เพิ่มข้อมูลลงไปใน Stack ก็คือใช้คำสั่ง",
      "slice_count": 2,
      "slices": "เพิ่มข้อมูลลงไปใน Stack |ก็คือใช้คำสั่ง|",
      "edit_duration": 4.31,
      "isForceout": false
    },
    {
      "message_id": 243,
      "editor_id": 13,
      "message_received": "Append ได้เลย เพราะ Append",
      "slice_count": 2,
      "slices": " Append ได้เลย| เพราะ Append|",
      "edit_duration": 2.169,
      "isForceout": false
    },
    {
      "message_id": 244,
      "editor_id": 13,
      "message_received": "เป็นคำสั่งของการเพิ่มข้อมูลลงไป",
      "slice_count": 2,
      "slices": " |เป็นคำสั่งของการเพิ่มข้อมูลลงไป|",
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      "isForceout": false
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      "message_id": 245,
      "editor_id": 13,
      "message_received": "ในลิสต์นะคะ ใส่ชื่อ .",
      "slice_count": 2,
      "slices": "ในลิสต์นะคะ |ใส่ชื่อ .|",
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      "message_id": 246,
      "editor_id": 13,
      "message_received": "แล้วตามด้วยคำสั่ง Append(d)",
      "slice_count": 2,
      "slices": " |แล้วตามด้วยคำสั่ง Append |",
      "edit_duration": 1.943,
      "isForceout": false
    },
    {
      "message_id": 247,
      "editor_id": 13,
      "message_received": "ใส่ค่าข้อมูลตัวใหม่แล้วก็วงเล็บปิด",
      "slice_count": 3,
      "slices": "วงเล็บเปิด |ใส่ค่าข้อมูลตัวใหม่ |แล้วก็วงเล็บปิด|",
      "edit_duration": 5.395,
      "isForceout": false
    },
    {
      "message_id": 248,
      "editor_id": 13,
      "message_received": "ถัดมา",
      "slice_count": 2,
      "slices": " |ถัดมา|",
      "edit_duration": 3.695,
      "isForceout": false
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    {
      "message_id": 249,
      "editor_id": 13,
      "message_received": "Pop",
      "slice_count": 1,
      "slices": " Pop|",
      "edit_duration": 7.502,
      "isForceout": false
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    {
      "message_id": 250,
      "editor_id": 13,
      "message_received": "คือ เอาออกนะคะ คือ Pop คือ เอาออก",
      "slice_count": 2,
      "slices": "คือ เอาออกนะคะ| คือ Pop คือ เอาออก|",
      "edit_duration": 3.499,
      "isForceout": false
    },
    {
      "message_id": 251,
      "editor_id": 13,
      "message_received": "ก่อนที่เราจะเอาข้อมูลออก",
      "slice_count": 2,
      "slices": " |ก่อนที่เราจะเอาข้อมูลออก|",
      "edit_duration": 1.754,
      "isForceout": false
    },
    {
      "message_id": 252,
      "editor_id": 13,
      "message_received": "เราต้องเช็กก่อนว่า Stack เรา",
      "slice_count": 2,
      "slices": "นี่ |เราต้องเช็กก่อนว่า Stack เรา|",
      "edit_duration": 1.243,
      "isForceout": false
    },
    {
      "message_id": 253,
      "editor_id": 13,
      "message_received": "มีข้อมูลอยู่ไหม ถ้า Stack",
      "slice_count": 2,
      "slices": "นี่มีข้อมูลอยู่ไหม |ถ้า Stack|",
      "edit_duration": 2.731,
      "isForceout": false
    },
    {
      "message_id": 254,
      "editor_id": 13,
      "message_received": "มันไม่มีข้อมูลอยู่เลยเราจะเอาอะไรออกมาได้ไหม ไม่ได้",
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      "slices": " |มันไม่มีข้อมูลอยู่เลย |เราจะเอาอะไรออกมาได้ไหม |ไม่ได้|",
      "edit_duration": 0.63,
      "isForceout": false
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    {
      "message_id": 255,
      "editor_id": 13,
      "message_received": "เพราะมันไม่มีข้อมูลอะไรให้เราดึงออกมา",
      "slice_count": 2,
      "slices": "นะคะ |เพราะมันไม่มีข้อมูลอะไรให้เราดึงออกมา|",
      "edit_duration": 3.631,
      "isForceout": false
    },
    {
      "message_id": 256,
      "editor_id": 13,
      "message_received": "เพราะฉะนั้น อันดับแรกนี่ เราต้องเช็กก่อน",
      "slice_count": 3,
      "slices": " |เพราะฉะนั้น อันดับแรกนี่ |เราต้องเช็กก่อน|",
      "edit_duration": 1.65,
      "isForceout": false
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    {
      "message_id": 257,
      "editor_id": 13,
      "message_received": "มันมีข้อมูลอยู่ไหมนะคะ มันมีข้อมูลอยู่้ไหม",
      "slice_count": 3,
      "slices": " |มันมีข้อมูลอยู่ไหมนะคะ |มันมีข้อมูลอยู่ไหม|",
      "edit_duration": 0.693,
      "isForceout": false
    },
    {
      "message_id": 258,
      "editor_id": 13,
      "message_received": "ถ้ามันไม่มีข้อมูลอยู่เลย เราจะบอกว่า",
      "slice_count": 3,
      "slices": " |ถ้ามันไม่มีข้อมูลอยู่เลย| เราจะบอกว่า|",
      "edit_duration": 0.767,
      "isForceout": false
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    {
      "message_id": 259,
      "editor_id": 13,
      "message_received": "มันคือ Stack ว่าง เราไม่สามารถทำคำสั่ง Pop",
      "slice_count": 2,
      "slices": "มันคือ Stack ว่าง| เราจะไม่สามารถทำคำสั่ง Pop|",
      "edit_duration": 0.62,
      "isForceout": false
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    {
      "message_id": 260,
      "editor_id": 13,
      "message_received": "ได้นะคะ แต่ถ้า",
      "slice_count": 2,
      "slices": " ได้นะคะ| แต่ถ้า|",
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      "isForceout": false
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    {
      "message_id": 261,
      "editor_id": 13,
      "message_received": "Stack ไม่ว่าง เช่น",
      "slice_count": 2,
      "slices": " Stack ไม่ว่าง |เช่น|",
      "edit_duration": 1.508,
      "isForceout": false
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    {
      "message_id": 262,
      "editor_id": 13,
      "message_received": "Stack ไม่ว่างนะ มันมีข้อมูลอยู่ตั้ง 3 ตัว",
      "slice_count": 2,
      "slices": " ในบรรทัดแถวที่ 2 |Stack ไม่ว่างนะ มันมีข้อมูลอยู่ตั้ง 3 ตัว|",
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      "isForceout": false
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      "message_id": 263,
      "editor_id": 13,
      "message_received": "เราใช้คำสั่ง Pop",
      "slice_count": 2,
      "slices": " |เราใช้คำสั่ง Pop|",
      "edit_duration": 4.008,
      "isForceout": false
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    {
      "message_id": 264,
      "editor_id": 13,
      "message_received": "ข้อมูลอะไรจะถูกดึงออกมา มีอยู่ 3 ค่านี่",
      "slice_count": 3,
      "slices": " |ข้อมูลอะไรจะถูกดึงออกมา| มีอยู่ 3 ค่านี่|",
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      "message_id": 265,
      "editor_id": 13,
      "message_received": "ข้อมูลที่จะเอาออกมาจาก Stack",
      "slice_count": 2,
      "slices": " |ข้อมูลที่จะเอาออกมาจาก Stack|",
      "edit_duration": 0.629,
      "isForceout": false
    },
    {
      "message_id": 266,
      "editor_id": 13,
      "message_received": "ก็คือข้อมูลค่าอะไรเอ่ย",
      "slice_count": 2,
      "slices": " |ก็คือข้อมูลค่าอะไรเอ่ย|",
      "edit_duration": 0.592,
      "isForceout": false
    },
    {
      "message_id": 267,
      "editor_id": 13,
      "message_received": "อะไรคะ 1 หรือ 2",
      "slice_count": 3,
      "slices": " |อะไรคะ| 1 หรือ 2|",
      "edit_duration": 0.505,
      "isForceout": false
    },
    {
      "message_id": 268,
      "editor_id": 13,
      "message_received": "หรือ 3 3 ใช่ไหม",
      "slice_count": 3,
      "slices": " |หรือ 3| 3 ใช่ไหม|",
      "edit_duration": 0.679,
      "isForceout": false
    },
    {
      "message_id": 269,
      "editor_id": 13,
      "message_received": "เอาตัวที่อยู่บนสุด",
      "slice_count": 2,
      "slices": " |เอาตัวที่อยู่บนสุด|",
      "edit_duration": 1.26,
      "isForceout": false
    },
    {
      "message_id": 270,
      "editor_id": 13,
      "message_received": "ตัวล่าสุดถูกไหมคะ ถ้าอยู่ในแนวนอนตัวล่าสุดจะอยู่",
      "slice_count": 4,
      "slices": " |ตัวล่าสุดน่ะ |ตัวล่าสุดถูกไหมคะ |ถ้าอยู่ในแนวนอนตัวล่าสุดจะอยู่|",
      "edit_duration": 0.724,
      "isForceout": false
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    {
      "message_id": 271,
      "editor_id": 13,
      "message_received": "ด้านขวา",
      "slice_count": 1,
      "slices": "ด้านขวา|",
      "edit_duration": 3.109,
      "isForceout": false
    },
    {
      "message_id": 272,
      "editor_id": 13,
      "message_received": "ถ้าเป็นแนวตั้งตัวล่าสุดจะอยู่ข้างบนใช่ไหมคะ",
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      "slices": " |ถ้าเป็นแนวตั้งตัวล่าสุดจะอยู่ข้างบน |ใช่ไหมคะ| ก็คือ|",
      "edit_duration": 0.811,
      "isForceout": false
    },
    {
      "message_id": 273,
      "editor_id": 13,
      "message_received": "เลข 3 จะถูก",
      "slice_count": 2,
      "slices": "เลข 3 |จะถูก|",
      "edit_duration": 3.994,
      "isForceout": false
    },
    {
      "message_id": 274,
      "editor_id": 13,
      "message_received": "ดึงออกมานะคะ หลังจากที่เราใช้คำสั่ง Pop",
      "slice_count": 2,
      "slices": "ดึงออกมานะคะ |หลังจากที่เราใช้คำสั่ง Pop|",
      "edit_duration": 1.286,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 275,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 276,
      "editor_id": 13,
      "message_received": "โอเค",
      "slice_count": 1,
      "slices": "โอเค|",
      "edit_duration": 6.514,
      "isForceout": false
    },
    {
      "message_id": 277,
      "editor_id": 13,
      "message_received": "ถัดมาตัวนี้จะเป็นคำสั่ง",
      "slice_count": 3,
      "slices": " |ถัดมาตัวนี้|จะเป็นคำสั่ง|",
      "edit_duration": 2.516,
      "isForceout": false
    },
    {
      "message_id": 278,
      "editor_id": 13,
      "message_received": "ที่เราใช้เขียน เช่น",
      "slice_count": 2,
      "slices": "ที่เราใช้เขียน |เช่น|",
      "edit_duration": 1.484,
      "isForceout": false
    },
    {
      "message_id": 279,
      "editor_id": 13,
      "message_received": "เราจะเช็กว่า Stack นั้นเป็น Stack ว่าง",
      "slice_count": 3,
      "slices": " |เราจะเช็กว่า Stack นั้น|เป็น Stack ว่าง|",
      "edit_duration": 0.678,
      "isForceout": false
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    {
      "message_id": 280,
      "editor_id": 13,
      "message_received": "หรือเปล่า เราก็ดูขนาดของ Stack ใช่ไหมคะ",
      "slice_count": 3,
      "slices": "หรือเปล่า| เราก็ดูขนาดของ Stack |ใช่ไหมคะ |",
      "edit_duration": 1.329,
      "isForceout": false
    },
    {
      "message_id": 281,
      "editor_id": 13,
      "message_received": "หาขนาดของ Stack ว่ามันมีขนาด",
      "slice_count": 2,
      "slices": "หาขนาดของ Stack |ว่ามันมีขนาด|",
      "edit_duration": 1.838,
      "isForceout": false
    },
    {
      "message_id": 282,
      "editor_id": 13,
      "message_received": "เท่าไหร่ ถ้าขนาดมันมีค่าเป็น 0",
      "slice_count": 2,
      "slices": "เท่าไหร่| ถ้าขนาดมันมีค่าเป็น 0|",
      "edit_duration": 0.637,
      "isForceout": false
    },
    {
      "message_id": 283,
      "editor_id": 13,
      "message_received": "แสดงว่ามันเป็น Stack ว่าง ไม่มีข้อมูลอยู่เลย",
      "slice_count": 3,
      "slices": " |แสดงว่ามันเป็น Stack ว่าง| คือ ไม่มีข้อมูลอยู่เลย|",
      "edit_duration": 0.563,
      "isForceout": false
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      "message_id": 284,
      "editor_id": 13,
      "message_received": "ก็ไม่ต้องทำอะไรใช่ไหมคะ แต่ถ้า",
      "slice_count": 3,
      "slices": " |ก็ไม่ต้องทำอะไรใช่ไหมคะ |แต่ถ้า|",
      "edit_duration": 0.848,
      "isForceout": false
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      "message_id": 285,
      "editor_id": 13,
      "message_received": "มันไม่ใช่ Stack ว่างเราก็",
      "slice_count": 2,
      "slices": "มันไม่ใช่ Stack ว่าง |เราก็|",
      "edit_duration": 2.811,
      "isForceout": false
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    {
      "message_id": 286,
      "editor_id": 13,
      "message_received": "จะดึงค่าที่อยู่บนสุดออกมา",
      "slice_count": 1,
      "slices": "จะดึงค่าที่อยู่บนสุดออกมา|",
      "edit_duration": 3.206,
      "isForceout": false
    },
    {
      "message_id": 287,
      "editor_id": 13,
      "message_received": "คราวนี้",
      "slice_count": 2,
      "slices": " |คราวนี้|",
      "edit_duration": 1.116,
      "isForceout": false
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      "editor_id": 13,
      "message_received": "อันนี้จะเป็นโค้ด เป็นโปรแกรมที่เราจะเขียนทั้งหมด",
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      "slices": "อันนี้จะเป็นโค้ด| เป็นโปรแกรมที่เราจะเขียนทั้งหมด|",
      "edit_duration": 0.6,
      "isForceout": false
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    {
      "message_id": 289,
      "editor_id": 13,
      "message_received": "เดี๋ยวครูบอกอีกทีข้างหลัง",
      "slice_count": 2,
      "slices": " |เดี๋ยวครูบอกอีกทีข้างหลัง|",
      "edit_duration": 0.639,
      "isForceout": false
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    {
      "message_id": 290,
      "editor_id": 13,
      "message_received": "สมมติว่า",
      "slice_count": 2,
      "slices": "นะคะ |สมมติว่า |",
      "edit_duration": 2.918,
      "isForceout": false
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      "message_id": 291,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 292,
      "editor_id": 13,
      "message_received": "",
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      "slices": "",
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      "isForceout": false
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      "message_id": 293,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 294,
      "editor_id": 13,
      "message_received": "ครูอยาก...",
      "slice_count": 1,
      "slices": "ครูอยาก... |",
      "edit_duration": 4.254,
      "isForceout": false
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      "editor_id": 13,
      "message_received": "",
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      "editor_id": 13,
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      "message_received": "คราวนี้ดูนะคะ",
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      "editor_id": 13,
      "message_received": "ครูมี Stack มาให้ Stack ครูมีกี่ช่องคะ",
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      "editor_id": 13,
      "message_received": "มี 4 ช่องในแนวตั้งถูกหรือเปล่า",
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      "editor_id": 13,
      "message_received": "เป็น Stack ในแนวตั้ง มี 4 ช่องนะคะ",
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      "message_received": "ตัวแรก ตัวแรกน่ะจะอยู่",
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      "message_received": "ด้านฐาน จะอยู่ด้านล่างสุดนะ เวลาเราหย่อนข้อมูลลงไป ตัวแรก",
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      "message_received": "จะลงมาอยู่ช่องล่างสุดแล้วค่อยขยับไปช่องถัดไป ๆ",
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      "slices": "จะลงมาอยู่ช่องล่างสุด |แล้วค่อยขยับขึ้นไปช่องถัดไป |",
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      "editor_id": 13,
      "message_received": "นะคะ จะซ้อนขึ้นไปข้างบนนะ ถ้าเป็น Stack ในแนวตั้ง",
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      "slices": "ถัดไปนะคะ |จะซ้อนขึ้นไปข้างบนนะ| ถ้าเป็น Stack ในแนวตั้ง|",
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      "message_received": "คำสั่ง",
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      "message_received": "อย่างที่บอกเรามีแค่ 2 คำสั่งนะ มีแค่ Push กับ Pop",
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      "slices": " |อย่างที่บอกเรามีแค่ 2 คำสั่งนะ| มีแค่ Push กับ Pop|",
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      "message_id": 319,
      "editor_id": 13,
      "message_received": "ใช่ไหมคะ Push",
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      "message_received": "กับ Pop",
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      "message_id": 322,
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      "message_received": "เอาข้อมูลออก คือ ใส่กับเอาออก",
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      "message_received": "Push 5 เห็นไหมคะ ครูใส่หมายเลขช่องก่อนนะ",
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      "message_id": 331,
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      "message_received": "ลงไปมันก็จะไหลลงมาอยู่ที่ช่องไหนคะ",
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      "message_received": "10 เดิมมันมี 5 อยู่แล้วนะ",
      "slice_count": 2,
      "slices": "10 |เดิมมันมี 5 อยู่แล้วนะ|",
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      "message_received": "แล้วครูสั่ง Push 10 เพราะฉะนั้น 10 จะมาอยู่ที่ไหนคะ",
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      "message_received": "1 ถูกไหมคะ ก็หย่อน 10 ลงมานะ",
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      "message_received": "เห็นไหม พอ Push ข้อมูลลงไป",
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      "slices": " |ครูสั่ง Pop อีกทีหนึ่ง|",
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      "message_received": "มี 5 กับ 10",
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      "slices": "มี 5 กับ 10|",
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      "slices": " 10 ออกมา |เห็นไหม 10 ไม่เหลือแล้ว|",
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      "message_received": "เพราะฉะนั้น ตอนนี้ ใน Stack เราเหลือกี่ค่าคะ",
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      "slices": "",
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      "isForceout": false
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      "slices": "",
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      "editor_id": 13,
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      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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      "editor_id": 13,
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      "slice_count": 0,
      "slices": "",
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      "isForceout": false
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      "editor_id": 13,
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      "slices": "",
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      "isForceout": false
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      "message_received": "",
      "slice_count": 0,
      "slices": "",
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      "isForceout": false
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      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
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      "isForceout": false
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      "message_id": 746,
      "editor_id": 13,
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      "slice_count": 0,
      "slices": "",
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      "isForceout": false
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    {
      "message_id": 747,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 748,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 749,
      "editor_id": 13,
      "message_received": "คราวนี้นะคะ",
      "slice_count": 1,
      "slices": "คราวนี้นะคะ |",
      "edit_duration": 4.692,
      "isForceout": false
    },
    {
      "message_id": 750,
      "editor_id": 13,
      "message_received": "มาดูเฉลยด้วยกัน",
      "slice_count": 1,
      "slices": "มาดูเฉลยด้วยกัน|",
      "edit_duration": 2.097,
      "isForceout": false
    },
    {
      "message_id": 751,
      "editor_id": 13,
      "message_received": "ครูสั่ง Push 5 แสดงว่า",
      "slice_count": 2,
      "slices": " ครูสั่ง Push 5| แสดงว่า|",
      "edit_duration": 2.128,
      "isForceout": false
    },
    {
      "message_id": 752,
      "editor_id": 13,
      "message_received": "ครูกำลังจะใส่ข้อมูลลงใน Stack",
      "slice_count": 1,
      "slices": "ครูกำลังจะใส่ข้อมูลลงไปใน Stack|",
      "edit_duration": 6.404,
      "isForceout": false
    },
    {
      "message_id": 753,
      "editor_id": 13,
      "message_received": "ครูก็เอาเลข 5 มาหย่อนลงเลยนะ",
      "slice_count": 3,
      "slices": " |คือ เลข 5 นะคะ |ครูก็เอาเลข 5 มาหย่อนลงเลยนะ|",
      "edit_duration": 2.408,
      "isForceout": false
    },
    {
      "message_id": 754,
      "editor_id": 13,
      "message_received": "เอาเลข 5 มาหย่อนเลยนะคะ",
      "slice_count": 2,
      "slices": " |เอาเลข 5 มาหย่อนเลยนะคะ |",
      "edit_duration": 6.672,
      "isForceout": false
    },
    {
      "message_id": 755,
      "editor_id": 13,
      "message_received": "ถัดมาครูใช้คำสั่ง Push",
      "slice_count": 2,
      "slices": "ถัดมา |ครูใช้คำสั่ง Push|",
      "edit_duration": 4.847,
      "isForceout": false
    },
    {
      "message_id": 756,
      "editor_id": 13,
      "message_received": "ครูใช้คำสั่ง Push ทำอย่างไร เอา",
      "slice_count": 4,
      "slices": " |ครูใช้คำสั่ง Push| ทำอย่างไร |เอา|",
      "edit_duration": 1.696,
      "isForceout": false
    },
    {
      "message_id": 757,
      "editor_id": 13,
      "message_received": "ของเดิมยกลงมาก่อน ยกของเดิม",
      "slice_count": 2,
      "slices": "ของเดิมยกลงมาก่อนนะ| ยกของเดิม|",
      "edit_duration": 2.568,
      "isForceout": false
    },
    {
      "message_id": 758,
      "editor_id": 13,
      "message_received": "มาใส่ก่อนนะคะ ก็จะมี 3,",
      "slice_count": 2,
      "slices": "มาใส่ก่อนนะคะ |ก็จะมี 3,|",
      "edit_duration": 0.693,
      "isForceout": false
    },
    {
      "message_id": 759,
      "editor_id": 13,
      "message_received": "1 แล้วก็ 5",
      "slice_count": 2,
      "slices": " 1 |แล้วก็ 5|",
      "edit_duration": 1.172,
      "isForceout": false
    },
    {
      "message_id": 760,
      "editor_id": 13,
      "message_received": "จากนั้น เรา Push ค่าใหม่ ใส่ค่าใหม่",
      "slice_count": 4,
      "slices": " |จากนั้น |เรา Push ค่าใหม่ |ใส่ค่าใหม่|",
      "edit_duration": 0.637,
      "isForceout": false
    },
    {
      "message_id": 761,
      "editor_id": 13,
      "message_received": "ลงไป ก็คือ 6",
      "slice_count": 2,
      "slices": "ลงไป |ก็คือ 6|",
      "edit_duration": 1.103,
      "isForceout": false
    },
    {
      "message_id": 762,
      "editor_id": 13,
      "message_received": "โอเคนะ ใส่ค่า 6 ก็คือค่าใหม่ลงไปใน Stack",
      "slice_count": 4,
      "slices": " |โอเคนะ |ใส่ค่า 6 |ก็คือค่าใหม่ลงไปใน Stack|",
      "edit_duration": 0.656,
      "isForceout": false
    },
    {
      "message_id": 763,
      "editor_id": 13,
      "message_received": "เสร็จแล้วครูใช้คำสั่ง Pop",
      "slice_count": 2,
      "slices": " |เสร็จแล้วครูใช้คำสั่ง Pop|",
      "edit_duration": 1.198,
      "isForceout": false
    },
    {
      "message_id": 764,
      "editor_id": 13,
      "message_received": "ก็คือเอาออก ก็คือเอาตัวล่าสุด",
      "slice_count": 3,
      "slices": " |ก็คือเอาออก |ก็คือเอาตัวล่าสุด|",
      "edit_duration": 1.027,
      "isForceout": false
    },
    {
      "message_id": 765,
      "editor_id": 13,
      "message_received": "ที่อยู่ด้านขวา เอาออก",
      "slice_count": 2,
      "slices": " ก็คือที่อยู่ด้านขวา| เอาออก|",
      "edit_duration": 3.215,
      "isForceout": false
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    {
      "message_id": 766,
      "editor_id": 13,
      "message_received": "เพราะฉะนั้น ค่าที่ถูกเอาออก ก็คือเลข 6",
      "slice_count": 4,
      "slices": "นะคะ |เพราะฉะนั้น |ค่าที่ถูกเอาออก |ก็คือเลข 6|",
      "edit_duration": 3.613,
      "isForceout": false
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    {
      "message_id": 767,
      "editor_id": 13,
      "message_received": "เห็นไหมคะ เอาเลข 6 ออกมา",
      "slice_count": 2,
      "slices": " นะคะ |เอาเลข 6 ออกมา|",
      "edit_duration": 6.24,
      "isForceout": false
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    {
      "message_id": 768,
      "editor_id": 13,
      "message_received": "แล้วเราก็ยกตัวที่เหลือ",
      "slice_count": 2,
      "slices": " |แล้วเราก็ยกตัวที่เหลือ|",
      "edit_duration": 6.192,
      "isForceout": false
    },
    {
      "message_id": 769,
      "editor_id": 13,
      "message_received": "ลงมาใส่ ก็จะเหลือเป็น",
      "slice_count": 2,
      "slices": "ลงมาใส่ |ก็จะเหลือเป็น|",
      "edit_duration": 3.123,
      "isForceout": false
    },
    {
      "message_id": 770,
      "editor_id": 13,
      "message_received": "3, 1 แล้วก็ 5 นะคะ",
      "slice_count": 1,
      "slices": " 3, 1 แล้วก็ 5 นะคะ |",
      "edit_duration": 2.283,
      "isForceout": false
    },
    {
      "message_id": 771,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 772,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 773,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 774,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 775,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 776,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 777,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 778,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 779,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 780,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 781,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 782,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 783,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 784,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 785,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 786,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 787,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 788,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 789,
      "editor_id": 13,
      "message_received": "คราวนี้นะคะ มาดูต่อ",
      "slice_count": 2,
      "slices": "คราวนี้นะคะ |มาดูต่อ|",
      "edit_duration": 2.138,
      "isForceout": false
    },
    {
      "message_id": 790,
      "editor_id": 13,
      "message_received": "กระดาษที่ครูแจกเอาวางไว้ก่อนนะคะ อย่าเพิ่งใช้ เรายังไม่ใช้ตอนนี้",
      "slice_count": 5,
      "slices": " |กระดาษที่ครูแจก|เอาวางไว้ก่อนนะคะ |อย่าเพิ่งใช้ |เรายังไม่ใช้ตอนนี้ |",
      "edit_duration": 1.082,
      "isForceout": false
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    {
      "message_id": 791,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 792,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 793,
      "editor_id": 13,
      "message_received": "เราใช้ Stack ทำอะไร เมื่อกี้",
      "slice_count": 2,
      "slices": "เราใช้ Stack ทำอะไร |เมื่อกี้|",
      "edit_duration": 2.663,
      "isForceout": false
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    {
      "message_id": 794,
      "editor_id": 13,
      "message_received": "เราพูดถึง Stack ไปแล้วนะ เข้าก่อนออกทีหลัง",
      "slice_count": 2,
      "slices": "เราพูดถึง Stack ไปแล้วนะ |เข้าก่อนออกทีหลัง|",
      "edit_duration": 1.553,
      "isForceout": false
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    {
      "message_id": 795,
      "editor_id": 13,
      "message_received": "นะคะ ข้อมูลไหนเข้าก่อน",
      "slice_count": 2,
      "slices": "นะคะ |ข้อมูลไหนเข้าก่อน|",
      "edit_duration": 0.635,
      "isForceout": false
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    {
      "message_id": 796,
      "editor_id": 13,
      "message_received": "จะถูกเอาออกทีหลัง",
      "slice_count": 1,
      "slices": "จะถูกเอาออกทีหลัง|",
      "edit_duration": 1.301,
      "isForceout": false
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    {
      "message_id": 797,
      "editor_id": 13,
      "message_received": "แล้วเราใช้ Stack ทำอะไรบ้าง",
      "slice_count": 2,
      "slices": " |แล้วเราใช้ Stack ทำอะไรบ้าง |",
      "edit_duration": 2.331,
      "isForceout": false
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    {
      "message_id": 798,
      "editor_id": 13,
      "message_received": "เราใช้ Stack มาทำอะไรบ้าง",
      "slice_count": 1,
      "slices": "เราใช้ Stack มาทำอะไรบ้าง |",
      "edit_duration": 1.267,
      "isForceout": false
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    {
      "message_id": 799,
      "editor_id": 13,
      "message_received": "ทุกคนบวกเลขเป็นใช่ไหม ทุกคนบวกลบคูณหาร",
      "slice_count": 2,
      "slices": "ทุกคนบวกเลขเป็นใช่ไหม |ทุกคนบวกลบคูณหาร|",
      "edit_duration": 0.658,
      "isForceout": false
    },
    {
      "message_id": 800,
      "editor_id": 13,
      "message_received": "สมการทางคณิตศาสตร์ได้ Stack",
      "slice_count": 3,
      "slices": "นะคะ |สมการทางคณิตศาสตร์ได้ |Stack|",
      "edit_duration": 2.744,
      "isForceout": false
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    {
      "message_id": 801,
      "editor_id": 13,
      "message_received": "จะถูกเอามาใช้ในการ",
      "slice_count": 3,
      "slices": " |จะถูกเอามาใช้|ในการ|",
      "edit_duration": 2.6,
      "isForceout": false
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    {
      "message_id": 802,
      "editor_id": 13,
      "message_received": "หาผลลัพธ์ของสมการคณิตศาสตร์",
      "slice_count": 2,
      "slices": "หาผลลัพธ์|ของสมการคณิตศาสตร์|",
      "edit_duration": 1.997,
      "isForceout": false
    },
    {
      "message_id": 803,
      "editor_id": 13,
      "message_received": "บวกเลข บวกลบเลขนะคะ",
      "slice_count": 2,
      "slices": " |บวกเลข บวกลบเลขนะคะ |",
      "edit_duration": 1.14,
      "isForceout": false
    },
    {
      "message_id": 804,
      "editor_id": 13,
      "message_received": "คราวนี้ ก่อนที่จะไปดูรูปแบบของการ",
      "slice_count": 2,
      "slices": "คราวนี้ |ก่อนที่จะไปดูรูปแบบของการ|",
      "edit_duration": 6.464,
      "isForceout": false
    },
    {
      "message_id": 805,
      "editor_id": 13,
      "message_received": "ใช้ Stack แล้ว Stack มันเกี่ย",
      "slice_count": 3,
      "slices": "ใช้ Stack |แล้ว Stack| มันเกี่ย|",
      "edit_duration": 3.501,
      "isForceout": false
    },
    {
      "message_id": 806,
      "editor_id": 13,
      "message_received": "กับการบวก ลบ คูณ หาร นะคะ เรามาดูรูปแบบก่อนว่า",
      "slice_count": 4,
      "slices": "วข้องอย่างไร |กับการบวก ลบ คูณ หาร นะคะ |เรามาดูรูปแบบก่อน|ว่า|",
      "edit_duration": 4.52,
      "isForceout": false
    },
    {
      "message_id": 807,
      "editor_id": 13,
      "message_received": "เราใช้ Stack เพื่อเป็นนิพนธ์",
      "slice_count": 2,
      "slices": "เราใช้ Stack| เพื่อเป็นนิ|",
      "edit_duration": 4.942,
      "isForceout": false
    },
    {
      "message_id": 808,
      "editor_id": 13,
      "message_received": "ก็คือลักษณะของสมการ",
      "slice_count": 2,
      "slices": "พจน์ |ก็คือลักษณะของสมการ|",
      "edit_duration": 6.959,
      "isForceout": false
    },
    {
      "message_id": 809,
      "editor_id": 13,
      "message_received": "มีอยู่ 3 รูปแบบ รูปแบบแรกก็คื",
      "slice_count": 3,
      "slices": " |มีอยู่ 3 รูปแบบ |รูปแบบแรกก็คื|",
      "edit_duration": 3.836,
      "isForceout": false
    },
    {
      "message_id": 810,
      "editor_id": 13,
      "message_received": "ก็คือ",
      "slice_count": 2,
      "slices": "อ infix |ก็คือ|",
      "edit_duration": 7.722,
      "isForceout": true
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    {
      "message_id": 811,
      "editor_id": 13,
      "message_received": "บวก ลบ คูณ หาร จะอยู่ระหว่างตัวเลข",
      "slice_count": 1,
      "slices": "เครื่องหมายบวก ลบ คูณ หาร จะอยู่ระหว่างตัวเลข|",
      "edit_duration": 11.205,
      "isForceout": false
    },
    {
      "message_id": 812,
      "editor_id": 13,
      "message_received": "นะคะ อันนี้คือ Infix นิพจน์ตัวที่ 2",
      "slice_count": 3,
      "slices": "นะคะ |อันนี้คือ Infix |นิพจน์ตัวที่ 2|",
      "edit_duration": 7.204,
      "isForceout": false
    },
    {
      "message_id": 813,
      "editor_id": 13,
      "message_received": "ก็คือ Prefix",
      "slice_count": 1,
      "slices": " ก็คือ Prefix|",
      "edit_duration": 6.198,
      "isForceout": false
    },
    {
      "message_id": 814,
      "editor_id": 13,
      "message_received": "เครื่องหมาย บวก ลบ คูณ หาร จะอยู่ด้านหน้า",
      "slice_count": 3,
      "slices": " |เครื่องหมาย บวก ลบ คูณ หาร |จะอยู่ด้านหน้า|",
      "edit_duration": 2.198,
      "isForceout": false
    },
    {
      "message_id": 815,
      "editor_id": 13,
      "message_received": "และตัวสุดท้ายคือ",
      "slice_count": 3,
      "slices": " |และตัวสุดท้าย |คือ|",
      "edit_duration": 1.038,
      "isForceout": false
    },
    {
      "message_id": 816,
      "editor_id": 13,
      "message_received": "Postfix เครื่องหมายจะไปอยู่ด้านหลังของตัวเลข",
      "slice_count": 3,
      "slices": " Postfix |เครื่องหมายจะไปอยู่ด้านหลัง|ของตัวเลข|",
      "edit_duration": 1.934,
      "isForceout": false
    },
    {
      "message_id": 817,
      "editor_id": 13,
      "message_received": "AC อันนนี้คือตัวเลขนะคะ",
      "slice_count": 3,
      "slices": " |A C อันนนี้คือตัวเลขนะคะ| |",
      "edit_duration": 1.209,
      "isForceout": false
    },
    {
      "message_id": 818,
      "editor_id": 13,
      "message_received": "เราจะแทนด้วยตัวเลขใด ๆ",
      "slice_count": 1,
      "slices": "เราจะแทนด้วยตัวเลขใด ๆ |",
      "edit_duration": 2.973,
      "isForceout": false
    },
    {
      "message_id": 819,
      "editor_id": 13,
      "message_received": "คราวนี้ดูนะคะ ในการคำนวณ",
      "slice_count": 2,
      "slices": "คราวนี้ดูนะคะ |ในการคำนวณ|",
      "edit_duration": 3.601,
      "isForceout": false
    },
    {
      "message_id": 820,
      "editor_id": 13,
      "message_received": "ทางคณิตศาสตร์นะ",
      "slice_count": 1,
      "slices": "ทางคณิตศาสตร์นะ|",
      "edit_duration": 3.467,
      "isForceout": false
    },
    {
      "message_id": 821,
      "editor_id": 13,
      "message_received": "เวลาเราเจอนะคะ การบวก ลบ",
      "slice_count": 3,
      "slices": " |เวลาเราเจอนะคะ |การบวก ลบ|",
      "edit_duration": 0.88,
      "isForceout": false
    },
    {
      "message_id": 822,
      "editor_id": 13,
      "message_received": "ที่มันมีมากกว่า 2 ตัวเลข",
      "slice_count": 3,
      "slices": " |ที่มันมีมากกว่า 2 |ตัวเลข|",
      "edit_duration": 0.638,
      "isForceout": false
    },
    {
      "message_id": 823,
      "editor_id": 13,
      "message_received": "เช่นแบบนี้",
      "slice_count": 3,
      "slices": " |เช่น |แบบนี้|",
      "edit_duration": 1.66,
      "isForceout": false
    },
    {
      "message_id": 824,
      "editor_id": 13,
      "message_received": "5 + 2 x 2 มันมีตัวเลขมากกว่า 2 ตัว",
      "slice_count": 3,
      "slices": " |5 + 2 x 2 |มันมีตัวเลขมากกว่า 2 ตัว|",
      "edit_duration": 0.921,
      "isForceout": false
    },
    {
      "message_id": 825,
      "editor_id": 13,
      "message_received": "นะคะ แล้วเรา",
      "slice_count": 2,
      "slices": "นะคะ| แล้วเรา|",
      "edit_duration": 8.62,
      "isForceout": false
    },
    {
      "message_id": 826,
      "editor_id": 13,
      "message_received": "จะบวกลบเลขอย่างไร",
      "slice_count": 1,
      "slices": "จะบวกลบเลขอย่างไร|",
      "edit_duration": 5.841,
      "isForceout": false
    },
    {
      "message_id": 827,
      "editor_id": 13,
      "message_received": "เรามีลำดับความสัมพันธ์ของ",
      "slice_count": 3,
      "slices": " |เรามีลำดับความสัมพันธ์|ของ|",
      "edit_duration": 1.845,
      "isForceout": false
    },
    {
      "message_id": 828,
      "editor_id": 13,
      "message_received": "เครื่องหมาย เจอวงเล็บ",
      "slice_count": 2,
      "slices": "เครื่องหมาย |เจอวงเล็บ|",
      "edit_duration": 1.03,
      "isForceout": false
    },
    {
      "message_id": 829,
      "editor_id": 13,
      "message_received": "ก่อนทำในวงเล็บ",
      "slice_count": 2,
      "slices": "ก่อน |ทำในวงเล็บ|",
      "edit_duration": 1.453,
      "isForceout": false
    },
    {
      "message_id": 830,
      "editor_id": 13,
      "message_received": "ใช่ไหมคะ เราเจอในวงเล็บ เรา",
      "slice_count": 3,
      "slices": "ใช่ไหมคะ| เราเจอวงเล็บ| เรา|",
      "edit_duration": 0.619,
      "isForceout": false
    },
    {
      "message_id": 831,
      "editor_id": 13,
      "message_received": "บวกลบเลขนี่ในวงเล็บก่อน",
      "slice_count": 2,
      "slices": "บวกลบเลขนี่ |ในเครื่องหมายวงเล็บก่อน|",
      "edit_duration": 1.623,
      "isForceout": false
    },
    {
      "message_id": 832,
      "editor_id": 13,
      "message_received": "จากนั้น ลำดับความสำคัญตัวที่ 2 ที่ต้อง",
      "slice_count": 3,
      "slices": " |จากนั้น ลำดับความสำคัญตัวที่ 2 |ที่ต้อง|",
      "edit_duration": 5.153,
      "isForceout": false
    },
    {
      "message_id": 833,
      "editor_id": 13,
      "message_received": "ทำก่อนก็คือ เครื่องหมาย",
      "slice_count": 2,
      "slices": "ทำก่อน |ก็คือเครื่องหมาย|",
      "edit_duration": 4.542,
      "isForceout": false
    },
    {
      "message_id": 834,
      "editor_id": 13,
      "message_received": "ยกกำลัง เช่น 2 ยกกำลัง 2 ถูกไหมคะ",
      "slice_count": 3,
      "slices": "ยกกำลัง |เช่น 2 ยกกำลัง 2 |ใช่ไหมคะ |",
      "edit_duration": 2.168,
      "isForceout": false
    },
    {
      "message_id": 835,
      "editor_id": 13,
      "message_received": "3 ยกกำลัง 2 อย่างนี้เป็นต้น",
      "slice_count": 2,
      "slices": "3 ยกกำลัง 2 |อย่างนี้เป็นต้น|",
      "edit_duration": 3.859,
      "isForceout": false
    },
    {
      "message_id": 836,
      "editor_id": 13,
      "message_received": "เจอเลขยกกำลังเสร็จแล้ว",
      "slice_count": 2,
      "slices": " |เจอเลขยกกำลังเสร็จแล้ว|",
      "edit_duration": 1.005,
      "isForceout": false
    },
    {
      "message_id": 837,
      "editor_id": 13,
      "message_received": "เราจะคำนวณเครื่องหมายไหนต่อไป ก็ค",
      "slice_count": 2,
      "slices": " |เราจะคำนวณเครื่องหมายไหนต่อไป |",
      "edit_duration": 1.103,
      "isForceout": false
    },
    {
      "message_id": 838,
      "editor_id": 13,
      "message_received": "กับหาร คูณกับหารมีลำดับความสำคัญ",
      "slice_count": 2,
      "slices": "คูณกับหาร |คูณกับหารมีลำดับความสำคัญ|",
      "edit_duration": 7.792,
      "isForceout": false
    },
    {
      "message_id": 839,
      "editor_id": 13,
      "message_received": "เท่ากันนะคะ มีลำดับความสำคัญ",
      "slice_count": 2,
      "slices": "เท่ากันนะคะ |มีลำดับความสำคัญ|",
      "edit_duration": 8.038,
      "isForceout": false
    },
    {
      "message_id": 840,
      "editor_id": 13,
      "message_received": "เท่ากัน ตามด้วยบวกกับลบ",
      "slice_count": 2,
      "slices": "เท่ากัน |ตามด้วยบวกกับลบ|",
      "edit_duration": 4.848,
      "isForceout": false
    },
    {
      "message_id": 841,
      "editor_id": 13,
      "message_received": "บวกกับลบก็มีความสำคัญ",
      "slice_count": 2,
      "slices": " |บวกกับลบก็มีความสำคัญ|",
      "edit_duration": 2.447,
      "isForceout": false
    },
    {
      "message_id": 842,
      "editor_id": 13,
      "message_received": "เท่ากัน แต่จะทำ",
      "slice_count": 2,
      "slices": "เท่ากัน |แต่จะทำ|",
      "edit_duration": 0.955,
      "isForceout": false
    },
    {
      "message_id": 843,
      "editor_id": 13,
      "message_received": "หลังการทำเครื่องหมายคูณกับหาร",
      "slice_count": 1,
      "slices": "หลังการทำเครื่องหมายคูณกับหาร |",
      "edit_duration": 1.657,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 1,
      "slices": "นะคะ |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 844,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 845,
      "editor_id": 13,
      "message_received": "คราวนี้มาดูโจทย์ครู 2 ตัวนี้",
      "slice_count": 1,
      "slices": "คราวนี้มาดูโจทย์ครู 2 ตัวนี้|",
      "edit_duration": 4.615,
      "isForceout": false
    },
    {
      "message_id": 846,
      "editor_id": 13,
      "message_received": "เป็นตัวเลขตัวเดียวกันเลย 5 + 2",
      "slice_count": 3,
      "slices": " |เป็นตัวเลขตัวเดียวกันเลย |5 + 2|",
      "edit_duration": 0.614,
      "isForceout": false
    },
    {
      "message_id": 847,
      "editor_id": 13,
      "message_received": "x 2 ตัวแรก",
      "slice_count": 2,
      "slices": " x 2 |ตัวแรก|",
      "edit_duration": 4.281,
      "isForceout": false
    },
    {
      "message_id": 848,
      "editor_id": 13,
      "message_received": "ครูมีวงเล็บเปิดกับวงเล็บปิด โจทย์ตัวที่ 2 ไม่มี",
      "slice_count": 5,
      "slices": " |ครูมีวงเล็บเปิดกับวงเล็บปิด |โจทย์ตัวที่ 2| ครูไม่ได้ใส่วงเล็บ| มี|",
      "edit_duration": 1.449,
      "isForceout": true
    },
    {
      "message_id": 849,
      "editor_id": 13,
      "message_received": "วงเล็บนะคะ ครูไม่มีวงเล็บนะ",
      "slice_count": 1,
      "slices": "ครูไม่มีวงเล็บนะ|",
      "edit_duration": 14.006,
      "isForceout": true
    },
    {
      "message_id": 850,
      "editor_id": 13,
      "message_received": "คราวนี้มาดูข้อแรกก่อน",
      "slice_count": 1,
      "slices": " คราวนี้มาดูข้อแรกก่อน|",
      "edit_duration": 14.009,
      "isForceout": true
    },
    {
      "message_id": 851,
      "editor_id": 13,
      "message_received": "อย่างที่บอกว่าถ้าเจอวงเล็บ",
      "slice_count": 2,
      "slices": " |อย่างที่บอกว่าถ้าเจอวงเล็บ|",
      "edit_duration": 10.044,
      "isForceout": false
    },
    {
      "message_id": 852,
      "editor_id": 13,
      "message_received": "วงเล็บเปิด วงเล็บปิด ทำ",
      "slice_count": 2,
      "slices": "วงเล็บเปิด วงเล็บปิด |ทำ|",
      "edit_duration": 7.507,
      "isForceout": false
    },
    {
      "message_id": 853,
      "editor_id": 13,
      "message_received": "ข้างในวงเล็บก่อน",
      "slice_count": 1,
      "slices": "ข้างในวงเล็บก่อน|",
      "edit_duration": 4.663,
      "isForceout": false
    },
    {
      "message_id": 854,
      "editor_id": 13,
      "message_received": "เพราะฉะนั้น เราเอาอะไรบวกกันก่อน 5 + 2",
      "slice_count": 4,
      "slices": " |เพราะฉะนั้น |เราเอาอะไรบวกกันก่อน |5 + 2|",
      "edit_duration": 0.664,
      "isForceout": false
    },
    {
      "message_id": 855,
      "editor_id": 13,
      "message_received": "เป็นเท่าไรคะ เป็น 7",
      "slice_count": 3,
      "slices": " |เป็นเท่าไหร่คะ| เป็น 7|",
      "edit_duration": 0.704,
      "isForceout": false
    },
    {
      "message_id": 856,
      "editor_id": 13,
      "message_received": "7 แล้วคูณด้วย 2 เท่ากับเท่าไหร่",
      "slice_count": 3,
      "slices": " |7 แล้วคูณด้วย 2 |เท่ากับเท่าไหร่|",
      "edit_duration": 1.086,
      "isForceout": false
    },
    {
      "message_id": 857,
      "editor_id": 13,
      "message_received": "เท่ากับเท่าไหร่คะ",
      "slice_count": 2,
      "slices": " |เท่ากับเท่าไหร่คะ|",
      "edit_duration": 0.939,
      "isForceout": false
    },
    {
      "message_id": 858,
      "editor_id": 13,
      "message_received": "เท่ากับ 14",
      "slice_count": 2,
      "slices": " |เท่ากับ 14 |",
      "edit_duration": 0.941,
      "isForceout": false
    },
    {
      "message_id": 859,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 860,
      "editor_id": 13,
      "message_received": "ตัวเลขเท่ากับ 14 ตัวแรกนะคะ เท่ากับ 14",
      "slice_count": 3,
      "slices": "ตัวเลขเท่ากับ 14 |ตัวแรกนะคะ |เท่ากับ 14|",
      "edit_duration": 2.2,
      "isForceout": false
    },
    {
      "message_id": 861,
      "editor_id": 13,
      "message_received": "แล้วมาดูข้อ 2 ครูตัด",
      "slice_count": 3,
      "slices": " |แล้วมาดูข้อ 2 |ครูตัด|",
      "edit_duration": 0.793,
      "isForceout": false
    },
    {
      "message_id": 862,
      "editor_id": 13,
      "message_received": "วงเล็บทิ้งไป 5 + 2 x 2",
      "slice_count": 2,
      "slices": "วงเล็บทิ้งไป |5 + 2 x 2|",
      "edit_duration": 1.415,
      "isForceout": false
    },
    {
      "message_id": 863,
      "editor_id": 13,
      "message_received": "เราทำตรงไหนก่อน",
      "slice_count": 2,
      "slices": " |เราทำตรงไหนก่อน|",
      "edit_duration": 0.783,
      "isForceout": false
    },
    {
      "message_id": 864,
      "editor_id": 13,
      "message_received": "ย้อนกลับขึ้นมาดูข้างบน ระหว่างบวกกับคูณ",
      "slice_count": 3,
      "slices": " |ย้อนกลับขึ้นมาดูข้างบน |ระหว่างบวกกับคูณ|",
      "edit_duration": 0.701,
      "isForceout": false
    },
    {
      "message_id": 865,
      "editor_id": 13,
      "message_received": "อะไรสำคัญมากกว่ากัน",
      "slice_count": 2,
      "slices": " |อะไรสำคัญมากกว่ากัน|",
      "edit_duration": 1.316,
      "isForceout": false
    },
    {
      "message_id": 866,
      "editor_id": 13,
      "message_received": "อะไรมีความสำคัญมากกว่ากันคะ",
      "slice_count": 2,
      "slices": " |อะไรมีความสำคัญมากกว่ากันคะ|",
      "edit_duration": 0.627,
      "isForceout": false
    },
    {
      "message_id": 867,
      "editor_id": 13,
      "message_received": "บวกกับคูณ",
      "slice_count": 2,
      "slices": " |บวกกับคูณ |",
      "edit_duration": 0.758,
      "isForceout": false
    },
    {
      "message_id": 868,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 869,
      "editor_id": 13,
      "message_received": "ข้างบนเห็นไหมคะว่า 1 นี่",
      "slice_count": 3,
      "slices": "ใช่ คูณ จากข้อมูล|ข้างบนเห็นไหมคะ |ว่า 1 นี่|",
      "edit_duration": 5.567,
      "isForceout": false
    },
    {
      "message_id": 870,
      "editor_id": 13,
      "message_received": "มีความสำคัญมากสุดนะ 2. ความสำคัญรองลงมา",
      "slice_count": 3,
      "slices": " |มีความสำคัญมากสุดนะ |2. ความสำคัญรองลงมา|",
      "edit_duration": 4.232,
      "isForceout": false
    },
    {
      "message_id": 871,
      "editor_id": 13,
      "message_received": "ตัวนี้ เบอร์ 3 ความสำคัญ",
      "slice_count": 2,
      "slices": " |ตัวนี้ เบอร์ 3 ความสำคัญ|",
      "edit_duration": 4.302,
      "isForceout": false
    },
    {
      "message_id": 872,
      "editor_id": 13,
      "message_received": "รองลงมา เบอร์ 4 ความสำคั",
      "slice_count": 3,
      "slices": "รองลงมา |เบอร์ 4 |ความสำคั|",
      "edit_duration": 3.093,
      "isForceout": false
    },
    {
      "message_id": 873,
      "editor_id": 13,
      "message_received": "เพราะฉะนั้น คูณกับบวก",
      "slice_count": 3,
      "slices": "ญน้อยสุดเลย |เพราะฉะนั้น |คูณกับบวก|",
      "edit_duration": 5.313,
      "isForceout": false
    },
    {
      "message_id": 874,
      "editor_id": 13,
      "message_received": "อะไรมีความสำคัญมากกว่ากัน",
      "slice_count": 1,
      "slices": "อะไรมีความสำคัญมากกว่ากัน|",
      "edit_duration": 3.583,
      "isForceout": false
    },
    {
      "message_id": 875,
      "editor_id": 13,
      "message_received": "คูณใช่ไหมคะ อันนี้คือมากสุด",
      "slice_count": 3,
      "slices": " |คูณใช่ไหมคะ |อันนี้คือมากสุด|",
      "edit_duration": 0.92,
      "isForceout": false
    },
    {
      "message_id": 876,
      "editor_id": 13,
      "message_received": "มากสุด",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 877,
      "editor_id": 13,
      "message_received": "เพราะฉะนั้น เรา",
      "slice_count": 2,
      "slices": " เพราะฉะนั้น |เรา|",
      "edit_duration": 3.275,
      "isForceout": false
    },
    {
      "message_id": 878,
      "editor_id": 13,
      "message_received": "ทำอะไรก่อน 5+2 หรือเอา 2",
      "slice_count": 3,
      "slices": "ทำอะไรก่อน |5 + 2 |หรือเอา 2|",
      "edit_duration": 0.8,
      "isForceout": false
    },
    {
      "message_id": 879,
      "editor_id": 13,
      "message_received": "หรือเอา 2 x 2 2 x 2",
      "slice_count": 2,
      "slices": " x 2 |2 x 2|",
      "edit_duration": 4.07,
      "isForceout": false
    },
    {
      "message_id": 880,
      "editor_id": 13,
      "message_received": "เป็น 4 4 + 5",
      "slice_count": 2,
      "slices": " เป็น 4 |4 + 5|",
      "edit_duration": 6.55,
      "isForceout": false
    },
    {
      "message_id": 881,
      "editor_id": 13,
      "message_received": "5 เป็นเท่าไหร่คะ",
      "slice_count": 1,
      "slices": " เป็นเท่าไหร่คะ|",
      "edit_duration": 5.657,
      "isForceout": false
    },
    {
      "message_id": 882,
      "editor_id": 13,
      "message_received": "เป็น 9",
      "slice_count": 3,
      "slices": " |4 + 5 |เป็น 9|",
      "edit_duration": 1.667,
      "isForceout": false
    },
    {
      "message_id": 883,
      "editor_id": 13,
      "message_received": "โอเค",
      "slice_count": 2,
      "slices": " |โอเค|",
      "edit_duration": 3.755,
      "isForceout": false
    },
    {
      "message_id": 884,
      "editor_id": 13,
      "message_received": "ถ้าครูเขียนใหม่",
      "slice_count": 2,
      "slices": " |ถ้าครูเขียนใหม่ |",
      "edit_duration": 0.369,
      "isForceout": false
    },
    {
      "message_id": 885,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 886,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 887,
      "editor_id": 13,
      "message_received": "เลข 2 หรือ เดี๋ยวนะ",
      "slice_count": 2,
      "slices": "เลข 2 หรือ |เดี๋ยวนะ |",
      "edit_duration": 4.255,
      "isForceout": false
    },
    {
      "message_id": 888,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 889,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 890,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 891,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 892,
      "editor_id": 13,
      "message_received": "โจทย์ข้อนี้",
      "slice_count": 1,
      "slices": "โจทย์ข้อนี้|",
      "edit_duration": 4.413,
      "isForceout": false
    },
    {
      "message_id": 893,
      "editor_id": 13,
      "message_received": "5 คูณ 2",
      "slice_count": 1,
      "slices": " 5 x 2|",
      "edit_duration": 5.632,
      "isForceout": false
    },
    {
      "message_id": 894,
      "editor_id": 13,
      "message_received": "เท่ากับ 12 คนอื่น",
      "slice_count": 3,
      "slices": " + 2 | = 12 |คนอื่น|",
      "edit_duration": 1.618,
      "isForceout": false
    },
    {
      "message_id": 895,
      "editor_id": 13,
      "message_received": "ได้ไหมคะ เห็นไหม ตัวเลขเดียวกันเลย",
      "slice_count": 3,
      "slices": "ได้ไหมคะ |เห็นไหม |ตัวเลขเดียวกันเลย|",
      "edit_duration": 2.793,
      "isForceout": false
    },
    {
      "message_id": 896,
      "editor_id": 13,
      "message_received": "สลับแล้วก็คเครื่องหมายมีเหมือนกันเล",
      "slice_count": 3,
      "slices": " |สลับ |แล้วก็เครื่องหมายมีเหมือนกันเล|",
      "edit_duration": 1.665,
      "isForceout": false
    },
    {
      "message_id": 897,
      "editor_id": 13,
      "message_received": "แค่สลับตำแหน่งค่าก็เปลี่ยนแล้ว",
      "slice_count": 2,
      "slices": "ย |แค่สลับตำแหน่งค่าก็เปลี่ยนแล้ว|",
      "edit_duration": 5.518,
      "isForceout": false
    },
    {
      "message_id": 898,
      "editor_id": 13,
      "message_received": "ทันไหมคะ คูณกับบวกแสดงว่า",
      "slice_count": 4,
      "slices": " |ทันไหมคะ |คูณกับบวก |แสดงว่า|",
      "edit_duration": 3.379,
      "isForceout": false
    },
    {
      "message_id": 899,
      "editor_id": 13,
      "message_received": "ทำคูณก่อน 5 คูณ 2 เป็",
      "slice_count": 2,
      "slices": "ทำคูณก่อน |5 x 2 |",
      "edit_duration": 2.387,
      "isForceout": false
    },
    {
      "message_id": 900,
      "editor_id": 13,
      "message_received": "เป็น 10 10 + 2 เป็น 12",
      "slice_count": 3,
      "slices": "เป็น 10 |10 + 2 |เป็น 12 |",
      "edit_duration": 2.672,
      "isForceout": false
    },
    {
      "message_id": 901,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 902,
      "editor_id": 13,
      "message_received": "โอเค",
      "slice_count": 1,
      "slices": "โอเค|",
      "edit_duration": 4.788,
      "isForceout": false
    },
    {
      "message_id": 903,
      "editor_id": 13,
      "message_received": "เอาตัวนี้บวกกันก่อน... คูณกันก่อนนะคะ",
      "slice_count": 4,
      "slices": " |เอาตัวนี้บวกกันก่อน |คูณกันก่อนนะคะ| |",
      "edit_duration": 0.794,
      "isForceout": false
    },
    {
      "message_id": 904,
      "editor_id": 13,
      "message_received": "5 x 2 เป็น 10 แล้ว 10 ค่อยมาบวกกับ",
      "slice_count": 2,
      "slices": "5 x 2 เป็น 10 |แล้ว 10 ค่อยมาบวกกับ|",
      "edit_duration": 2.894,
      "isForceout": false
    },
    {
      "message_id": 905,
      "editor_id": 13,
      "message_received": "2 โอเค",
      "slice_count": 2,
      "slices": " 2 |โอเค|",
      "edit_duration": 2.644,
      "isForceout": false
    },
    {
      "message_id": 906,
      "editor_id": 13,
      "message_received": "จะเห็นว่า",
      "slice_count": 2,
      "slices": " |จะเห็นว่า|",
      "edit_duration": 1.781,
      "isForceout": false
    },
    {
      "message_id": 907,
      "editor_id": 13,
      "message_received": "อันนี้คือเราคิดใช่ไหม",
      "slice_count": 2,
      "slices": " |อันนี้คือเราคิดใช่ไหม|",
      "edit_duration": 1.508,
      "isForceout": false
    },
    {
      "message_id": 908,
      "editor_id": 13,
      "message_received": "แล้วเราจะสั่งให้คอมพิวเตอณ์เข้สา",
      "slice_count": 2,
      "slices": " อันนี้คือเราคิดนะคะ |แล้วเราจะสั่งให้คอมพิวเตอร์|",
      "edit_duration": 5.604,
      "isForceout": false
    },
    {
      "message_id": 909,
      "editor_id": 13,
      "message_received": "เข้าใจแบบที่เราคิดเมื่อกี้ได้อย่างไร",
      "slice_count": 2,
      "slices": "เข้าใจ |แบบที่เราคิดเมื่อกี้ได้อย่างไร|",
      "edit_duration": 8.491,
      "isForceout": false
    },
    {
      "message_id": 910,
      "editor_id": 13,
      "message_received": "รู้ว่าถ้าเจอคูณนี่ต้องทำคูณก่อนเลย",
      "slice_count": 2,
      "slices": " |รู้ว่าถ้าเจอคูณนี่ต้องทำคูณก่อนเลย|",
      "edit_duration": 6.872,
      "isForceout": false
    },
    {
      "message_id": 911,
      "editor_id": 13,
      "message_received": "เจอวงเล็บเปิด ต้องทำวงเล็บเปิด",
      "slice_count": 3,
      "slices": " |เจอวงเล็บเปิด |ต้องทำวงเล็บเปิด|",
      "edit_duration": 6.081,
      "isForceout": false
    },
    {
      "message_id": 912,
      "editor_id": 13,
      "message_received": "ตอนนี้เราจะสั่งให้คอมพิวเตอร์นี่สามารถคำนวณ",
      "slice_count": 3,
      "slices": "ก่อน |ตอนนี้เราจะสั่งให้คอมพิวเตอร์นี่ |สามารถคำนวณ|",
      "edit_duration": 6.123,
      "isForceout": false
    },
    {
      "message_id": 913,
      "editor_id": 13,
      "message_received": "ให้ได้แบบที่เราคำนวณเมื่อกี้",
      "slice_count": 1,
      "slices": "ให้ได้แบบที่เราคำนวณเมื่อกี้|",
      "edit_duration": 4.475,
      "isForceout": false
    },
    {
      "message_id": 914,
      "editor_id": 13,
      "message_received": "เราใช้",
      "slice_count": 2,
      "slices": " |เราใช้|",
      "edit_duration": 0.931,
      "isForceout": false
    },
    {
      "message_id": 915,
      "editor_id": 13,
      "message_received": "Stack เข้ามาช่วยในการคำนวณนะคะ",
      "slice_count": 2,
      "slices": " |Stack เข้ามาช่วยในการคำนวณนะคะ |",
      "edit_duration": 0.678,
      "isForceout": false
    },
    {
      "message_id": 916,
      "editor_id": 13,
      "message_received": "เราใช้ Stack เข้ามาในการคำนวณ",
      "slice_count": 2,
      "slices": "เราใช้ Stack เข้ามาช่วย|ในการคำนวณ|",
      "edit_duration": 3.102,
      "isForceout": false
    },
    {
      "message_id": 917,
      "editor_id": 13,
      "message_received": "วิธีการทำแบบไหน",
      "slice_count": 2,
      "slices": " |วิธีการ ทำแบบไหน|",
      "edit_duration": 1.378,
      "isForceout": false
    },
    {
      "message_id": 918,
      "editor_id": 13,
      "message_received": "มาดูวิธีการนะคะ เรามีตัวเลขอยู่ชุดหนึ่ง",
      "slice_count": 3,
      "slices": " |มาดูวิธีการนะคะ |เรามีตัวเลขอยู่ชุดหนึ่ง|",
      "edit_duration": 2.574,
      "isForceout": false
    },
    {
      "message_id": 919,
      "editor_id": 13,
      "message_received": "เราต้องการหาค่าออกมา เช่น",
      "slice_count": 3,
      "slices": " |เราต้องการหาค่าออกมา |เช่น|",
      "edit_duration": 2.443,
      "isForceout": false
    },
    {
      "message_id": 920,
      "editor_id": 13,
      "message_received": "ครูมีตัวเลขชุดนี้ล่ะ",
      "slice_count": 2,
      "slices": " |ครูมีตัวเลขชุดนี้ล่ะ|",
      "edit_duration": 0.746,
      "isForceout": false
    },
    {
      "message_id": 921,
      "editor_id": 13,
      "message_received": "ครูสั่งให้คอมพิวเตอร์คำนวณ จะต้องได้ผลลัพธ์ 9",
      "slice_count": 4,
      "slices": " |นี่ |ครูสั่งให้คอมพิวเตอร์คำนวณ |เราต้องได้ผลลัพธ์ 9|",
      "edit_duration": 0.774,
      "isForceout": false
    },
    {
      "message_id": 922,
      "editor_id": 13,
      "message_received": "คอมพิวเตอร์จะคิดแบบไหนนะคะ",
      "slice_count": 3,
      "slices": " |แบบที่เราคิดเมื่อกี้ |คอมพิวเตอร์จะคิดแบบไหนนะคะ |",
      "edit_duration": 2.49,
      "isForceout": false
    },
    {
      "message_id": 923,
      "editor_id": 13,
      "message_received": "1 เราต้องสร้างตารางแบบนี้ก่อน",
      "slice_count": 1,
      "slices": "1. เราต้องสร้างตารางแบบนี้ก่อน|",
      "edit_duration": 10.011,
      "isForceout": false
    },
    {
      "message_id": 924,
      "editor_id": 13,
      "message_received": "มี 3 ช่อง ช่องแรก คือ ใส่ Input",
      "slice_count": 3,
      "slices": "มี 3 ช่อง| ช่องแรก |คือ ใส่ Input|",
      "edit_duration": 6.012,
      "isForceout": false
    },
    {
      "message_id": 925,
      "editor_id": 13,
      "message_received": "ก็คือข้อมูลนำเข้า Stack",
      "slice_count": 2,
      "slices": " ก็คือข้อมูลนำเข้า |Stack|",
      "edit_duration": 4.325,
      "isForceout": false
    },
    {
      "message_id": 926,
      "editor_id": 13,
      "message_received": "แล้วก็ผลลัพธ์นะคะ",
      "slice_count": 2,
      "slices": " |แล้วก็ผลลัพธ์นะคะ |",
      "edit_duration": 1.142,
      "isForceout": false
    },
    {
      "message_id": 927,
      "editor_id": 13,
      "message_received": "เรามีวิธีการทำนี่ 2 ช่วงด้วยกัน ช่วงที่ 1",
      "slice_count": 4,
      "slices": "เรามีวิธีการทำนี่ 2 ช่วง| |ด้วยกัน |ช่วงที่ 1|",
      "edit_duration": 2.178,
      "isForceout": false
    },
    {
      "message_id": 928,
      "editor_id": 13,
      "message_received": "ต้องแปลงนิพจน์",
      "slice_count": 2,
      "slices": " |ต้องแปลงนิพจน์|",
      "edit_duration": 0.666,
      "isForceout": false
    },
    {
      "message_id": 929,
      "editor_id": 13,
      "message_received": "แบบ Postfix เ",
      "slice_count": 3,
      "slices": "นะคะ |ให้เป็นแบบ Postfix| เ|",
      "edit_duration": 3.574,
      "isForceout": false
    },
    {
      "message_id": 930,
      "editor_id": 13,
      "message_received": "ไปไว้ข้างหลังให้หมดก่อน เอาเครื่องหมาย",
      "slice_count": 2,
      "slices": "อาเครื่องหมายไปไว้ข้างหลังให้หมดก่อน| เอาเครื่องหมาย|",
      "edit_duration": 5.906,
      "isForceout": false
    },
    {
      "message_id": 931,
      "editor_id": 13,
      "message_received": "ไปไว้ข้างหลังให้หมดก่อนนะคะ แล้วค่อยคำนวณออกมาเป็น",
      "slice_count": 2,
      "slices": "ไปไว้ข้างหลังให้หมดก่อนนะคะ |แล้วค่อยคำนวณออกมาเป็น|",
      "edit_duration": 3.032,
      "isForceout": false
    },
    {
      "message_id": 932,
      "editor_id": 13,
      "message_received": "ตัวเลข ผลลัพธ์",
      "slice_count": 2,
      "slices": "ตัวเลข |ผลลัพธ์|",
      "edit_duration": 1.924,
      "isForceout": false
    },
    {
      "message_id": 933,
      "editor_id": 13,
      "message_received": "เรามี 3 ช่องนะ ทุกคนต้องตีตาราง 3 ช่อง",
      "slice_count": 3,
      "slices": " |เรามี 3 ช่องนะ| ทุกคนต้องตีตาราง 3 ช่อง|",
      "edit_duration": 0.677,
      "isForceout": false
    },
    {
      "message_id": 934,
      "editor_id": 13,
      "message_received": "อันแรกเขียนว่า Input Stack แล้วก็ O",
      "slice_count": 3,
      "slices": " |อันแรกเขียนว่า Input Stack |แล้วก็ O|",
      "edit_duration": 0.668,
      "isForceout": false
    },
    {
      "message_id": 935,
      "editor_id": 13,
      "message_received": "นะคะ ถัดมา",
      "slice_count": 2,
      "slices": "utput นะคะ |ถัดมา|",
      "edit_duration": 4.877,
      "isForceout": false
    },
    {
      "message_id": 936,
      "editor_id": 13,
      "message_received": "ขั้นตอนวิธีการแปลง",
      "slice_count": 2,
      "slices": " |ขั้นตอนวิธีการแปลง|",
      "edit_duration": 1.563,
      "isForceout": false
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    {
      "message_id": 937,
      "editor_id": 13,
      "message_received": "จาก Infix ให้เป็น Po",
      "slice_count": 3,
      "slices": " |จาก Infix |ให้เป็น Po|",
      "edit_duration": 0.53,
      "isForceout": false
    },
    {
      "message_id": 938,
      "editor_id": 13,
      "message_received": "ทุกคนมีชีตที่ครูให้ แบบนี้เลย",
      "slice_count": 3,
      "slices": "stfix |ทุกคนมีชีตที่ครูให้| แบบนี้เลย|",
      "edit_duration": 4.592,
      "isForceout": false
    },
    {
      "message_id": 939,
      "editor_id": 13,
      "message_received": "ก็คือสิ่งที่อยู่บนสไลด์นะคะ ครูพรินต์ออกมาให้",
      "slice_count": 3,
      "slices": " |ก็คือสิ่งที่อยู่บนสไลด์นะคะ |ครูพรินต์ออกมาให้|",
      "edit_duration": 2.092,
      "isForceout": false
    },
    {
      "message_id": 940,
      "editor_id": 13,
      "message_received": "เรามีอยู่ทั้งหมด 7 ขั้นตอนด้ว",
      "slice_count": 2,
      "slices": " |เรามีอยู่ทั้งหมด 7 ขั้นตอนด้ว|",
      "edit_duration": 2.861,
      "isForceout": false
    },
    {
      "message_id": 941,
      "editor_id": 13,
      "message_received": "ทั้งหมด 7 ขั้นตอนด้วยกัน",
      "slice_count": 2,
      "slices": "ยกัน |มีทั้งหมด 7 ขั้นตอนด้วยกัน|",
      "edit_duration": 4.882,
      "isForceout": false
    },
    {
      "message_id": 942,
      "editor_id": 13,
      "message_received": "มีทั้งหมด 7 ขั้นตอนด้วยกัน ครูให้เวลา",
      "slice_count": 2,
      "slices": " |ครูให้เวลา|",
      "edit_duration": 5.928,
      "isForceout": false
    },
    {
      "message_id": 943,
      "editor_id": 13,
      "message_received": "2 นาที อ่าน 7 ขั้นตอนน",
      "slice_count": 2,
      "slices": " 2 นาที |อ่าน 7 ขั้นตอนน|",
      "edit_duration": 7.426,
      "isForceout": false
    },
    {
      "message_id": 944,
      "editor_id": 13,
      "message_received": "นี้ในกระดาษของตัวเองสิคะ",
      "slice_count": 2,
      "slices": "นี้ |ในกระดาษของตัวเองสิคะ|",
      "edit_duration": 9.704,
      "isForceout": false
    },
    {
      "message_id": 945,
      "editor_id": 13,
      "message_received": "ให้อ่านในกระดาษนะ หรือจะอ่านจากหน้าจอก็ได้",
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      "slices": " |ให้อ่านในกระดาษนะ| หรือจะอ่านจากหน้าจอก็ได้|",
      "edit_duration": 6.412,
      "isForceout": false
    },
    {
      "message_id": 946,
      "editor_id": 13,
      "message_received": "ให้เวลา 2 นาทีอยากให้อ่านก่อน",
      "slice_count": 3,
      "slices": " |ให้เวลา 2 นาที |อยากให้อ่านก่อน |",
      "edit_duration": 6.125,
      "isForceout": false
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    {
      "message_id": 947,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 948,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 949,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 950,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 951,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 952,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 953,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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      "message_id": 954,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 955,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 956,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 957,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 958,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 959,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 960,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 961,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 962,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 963,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 964,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 965,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 966,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 967,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 968,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 969,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 970,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 971,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 972,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 973,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 974,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 975,
      "editor_id": 13,
      "message_received": "คราวนี้เดี๋ยวมาดูพร้อมกัน",
      "slice_count": 1,
      "slices": "คราวนี้เดี๋ยวมาดูพร้อมกัน|",
      "edit_duration": 5.22,
      "isForceout": false
    },
    {
      "message_id": 976,
      "editor_id": 13,
      "message_received": "เรามีอยู่ทั้งหมด 7 ขั้นตอนนะคะ เดี๋ยวเราจะ",
      "slice_count": 3,
      "slices": " |เรามีอยู่ทั้งหมด 7 ขั้นตอนนะคะ| เดี๋ยวเราจะ|",
      "edit_duration": 1.22,
      "isForceout": false
    },
    {
      "message_id": 977,
      "editor_id": 13,
      "message_received": "ลองฝึกนะ แล้วก็เทียบ",
      "slice_count": 2,
      "slices": "ลองฝึกนะ| แล้วก็เทียบ|",
      "edit_duration": 2.881,
      "isForceout": false
    },
    {
      "message_id": 978,
      "editor_id": 13,
      "message_received": "ไปทีละขั้น",
      "slice_count": 1,
      "slices": "ไปทีละขั้น|",
      "edit_duration": 1.307,
      "isForceout": false
    },
    {
      "message_id": 979,
      "editor_id": 13,
      "message_received": "ขั้นที่ 1 นะคะ กำหนดให้ Stack ว่าง",
      "slice_count": 3,
      "slices": " |ขั้นที่ 1 นะคะ| กำหนดให้ Stack ว่าง|",
      "edit_duration": 0.683,
      "isForceout": false
    },
    {
      "message_id": 980,
      "editor_id": 13,
      "message_received": "ก็คือวาดตาราง 3 ช่องนี้",
      "slice_count": 2,
      "slices": " |ก็คือวาดตาราง 3 ช่องนี้|",
      "edit_duration": 0.9,
      "isForceout": false
    },
    {
      "message_id": 981,
      "editor_id": 13,
      "message_received": "อันดับแรก สร้าง Stack ว่าง ก็คือวาด",
      "slice_count": 3,
      "slices": "ใช่ไหมคะ |อันดับแรก สร้าง Stack ว่าง |ก็คือวาด|",
      "edit_duration": 4.152,
      "isForceout": false
    },
    {
      "message_id": 982,
      "editor_id": 13,
      "message_received": "3 ช่องนะคะ กี่แถวยังไม่รู้นะ",
      "slice_count": 2,
      "slices": " 3 ช่องนะคะ |กี่แถวยังไม่รู้นะ|",
      "edit_duration": 3.633,
      "isForceout": false
    },
    {
      "message_id": 983,
      "editor_id": 13,
      "message_received": "แต่มีอยู่ 3 คอลัมน์",
      "slice_count": 2,
      "slices": " |แต่มีอยู่ 3 คอลัมน์นะคะ 3 ช่อง |",
      "edit_duration": 0.757,
      "isForceout": false
    },
    {
      "message_id": 984,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 985,
      "editor_id": 13,
      "message_received": "อันดับที่ 2",
      "slice_count": 2,
      "slices": "อันนี้คือ Stack ว่าง 3 ช่อง |อันดับที่ 2|",
      "edit_duration": 10.208,
      "isForceout": false
    },
    {
      "message_id": 986,
      "editor_id": 13,
      "message_received": "อ่านข้อมูลจากซ้ายไปขวา ก็คือ",
      "slice_count": 2,
      "slices": " อ่านข้อมูลจากซ้ายไปขวา| ก็คือ|",
      "edit_duration": 8.899,
      "isForceout": false
    },
    {
      "message_id": 987,
      "editor_id": 13,
      "message_received": "อ่านข้อมูลทีละตัวใช่ไหมคะ เลข 5",
      "slice_count": 2,
      "slices": "อ่านข้อมูลทีละตัวใช่ไหมคะ |เลข 5|",
      "edit_duration": 6.361,
      "isForceout": false
    },
    {
      "message_id": 988,
      "editor_id": 13,
      "message_received": "เครื่องหมายบวก เลข เครื่องหมายคูณ แล้วก็เลข 2",
      "slice_count": 4,
      "slices": " |เครื่องหมายบวก |เลข 2 เครื่องหมายคูณ |แล้วก็เลข 2|",
      "edit_duration": 3.411,
      "isForceout": false
    },
    {
      "message_id": 989,
      "editor_id": 13,
      "message_received": "อันนี้คืออ่านจากซ้ายไปขวา",
      "slice_count": 2,
      "slices": " |อันนี้คืออ่านจากซ้ายไปขวา|",
      "edit_duration": 4.756,
      "isForceout": false
    },
    {
      "message_id": 990,
      "editor_id": 13,
      "message_received": "ทีละตัวนะคะ แล้วก็อ่านเข้ามาทีละตัว",
      "slice_count": 3,
      "slices": " |ทีละตัวนะคะ |แล้วก็อ่านเข้ามาทีละตัว|",
      "edit_duration": 2.855,
      "isForceout": false
    },
    {
      "message_id": 991,
      "editor_id": 13,
      "message_received": "สมมติครูใช้ตัวเลขนะคะ",
      "slice_count": 2,
      "slices": " |สมมติครูใช้ตัวเลขนะคะ |",
      "edit_duration": 2.847,
      "isForceout": false
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    {
      "message_id": 992,
      "editor_id": 13,
      "message_received": "ตัวเลขนะคะ เช่น",
      "slice_count": 1,
      "slices": "เช่น |",
      "edit_duration": 4.359,
      "isForceout": false
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    {
      "message_id": 993,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 994,
      "editor_id": 13,
      "message_received": "อ่านข้อมูลจากซ้ายไปขวา ตัวแรก ก็คือ",
      "slice_count": 3,
      "slices": "อ่านข้อมูลจากซ้ายไปขวา |ตัวแรก |ก็คือ|",
      "edit_duration": 1.473,
      "isForceout": false
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    {
      "message_id": 995,
      "editor_id": 13,
      "message_received": "5 ใช่ไหม อ่านจากซ้าย ซ้ายก็คือตัวแรก",
      "slice_count": 3,
      "slices": " |5 ใช่ไหม อ่านจากซ้าย |ซ้ายก็คือตัวแรก|",
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      "isForceout": false
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    {
      "message_id": 996,
      "editor_id": 13,
      "message_received": "นะคะ ก็คือเลข 5 ถัดมา",
      "slice_count": 4,
      "slices": "นะคะ |ก็คือเลข 5 |มา |ถัดมา|",
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      "isForceout": false
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    {
      "message_id": 997,
      "editor_id": 13,
      "message_received": "ถัดมาขั้นถัดมาเป็นขั้นที่ 3",
      "slice_count": 2,
      "slices": " |ขั้นถัดมาเป็นขั้นที่ 3|",
      "edit_duration": 0.757,
      "isForceout": false
    },
    {
      "message_id": 998,
      "editor_id": 13,
      "message_received": "ถ้าข้อมูลที่อ่านเข้ามา",
      "slice_count": 2,
      "slices": " |ถ้าข้อมูลที่อ่านเข้ามา|",
      "edit_duration": 0.917,
      "isForceout": false
    },
    {
      "message_id": 999,
      "editor_id": 13,
      "message_received": "เป็นตัวเลข เช่น",
      "slice_count": 2,
      "slices": "เป็นตัวเลข |เช่น|",
      "edit_duration": 2.112,
      "isForceout": false
    },
    {
      "message_id": 1000,
      "editor_id": 13,
      "message_received": "เลข 5 ใช่ไหม ข้อมูลที่เราอ่านเข้ามา",
      "slice_count": 3,
      "slices": " |เลข 5 ใช่ไหมคะ| ข้อมูลที่เราอ่านเข้ามา|",
      "edit_duration": 0.908,
      "isForceout": false
    },
    {
      "message_id": 1001,
      "editor_id": 13,
      "message_received": "ทันเป็นตัวเลขใช่ไหม ใช่ เอามัน",
      "slice_count": 4,
      "slices": " คือ เลข 5 |มันเป็นตัวเลขใช่ไหม| ใช่ |เอามัน|",
      "edit_duration": 5.377,
      "isForceout": true
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    {
      "message_id": 1002,
      "editor_id": 13,
      "message_received": "ไปไว้ที่ไหน เอามันไปไว้ที่ช่องผลลัพธ์ ก็คือ",
      "slice_count": 3,
      "slices": "ไปไว้ที่ไหน |เอามันไปไว้ที่ช่องผลลัพธ์ |ก็คือ|",
      "edit_duration": 10.244,
      "isForceout": false
    },
    {
      "message_id": 1003,
      "editor_id": 13,
      "message_received": "ช่องสุดท้าย",
      "slice_count": 1,
      "slices": "ช่องสุดท้าย|",
      "edit_duration": 8.42,
      "isForceout": false
    },
    {
      "message_id": 1004,
      "editor_id": 13,
      "message_received": "ก็คือช่องนี้ใช่ไหมคะ ช่อง Output",
      "slice_count": 3,
      "slices": " |ก็คือช่องนี้ใช่ไหมคะ| ช่อง Output|",
      "edit_duration": 4.422,
      "isForceout": false
    },
    {
      "message_id": 1005,
      "editor_id": 13,
      "message_received": "ถัดมา ถ้าตัวที",
      "slice_count": 3,
      "slices": " |ถัดมา |ถ้าตัวที|",
      "edit_duration": 2.306,
      "isForceout": false
    },
    {
      "message_id": 1006,
      "editor_id": 13,
      "message_received": "เราอ่านเข้ามานี่มันไม่ใช่ตัวเลข แสดงว่า",
      "slice_count": 3,
      "slices": "เราอ่านเข้ามานี่ |มันไม่ใช่ตัวเลข |แสดงว่า|",
      "edit_duration": 0.894,
      "isForceout": false
    },
    {
      "message_id": 1007,
      "editor_id": 13,
      "message_received": "มันต้องเป็นเครื่องหมายทางคณิตศาสตร์",
      "slice_count": 1,
      "slices": "มันต้องเป็นเครื่องหมายทางคณิตศาสตร์|",
      "edit_duration": 2.384,
      "isForceout": false
    },
    {
      "message_id": 1008,
      "editor_id": 13,
      "message_received": "อะไรสักอย่างหนึ่งนี่ล่ะ เช่น เครื่องหมายบวก",
      "slice_count": 3,
      "slices": "อะไรสักอย่างหนึ่งนี่ล่ะ |เช่น |เครื่องหมายบวก|",
      "edit_duration": 0.45,
      "isForceout": false
    },
    {
      "message_id": 1009,
      "editor_id": 13,
      "message_received": "เครื่องหมายบวกใช่ไหมคะ เครื่องหมายบวก",
      "slice_count": 2,
      "slices": "ใช่ไหมคะ |เครื่องหมายบวก|",
      "edit_duration": 3.473,
      "isForceout": false
    },
    {
      "message_id": 1010,
      "editor_id": 13,
      "message_received": "เราอ่านเครื่องหมายบวกเข้ามา",
      "slice_count": 1,
      "slices": " เราอ่านเครื่องหมายบวกเข้ามา|",
      "edit_duration": 7.191,
      "isForceout": false
    },
    {
      "message_id": 1011,
      "editor_id": 13,
      "message_received": "แล้วเขาให้เราเช็กก่อน ว่า",
      "slice_count": 3,
      "slices": " |แล้วเขาให้เราเช็กก่อน |ว่า|",
      "edit_duration": 3.192,
      "isForceout": false
    },
    {
      "message_id": 1012,
      "editor_id": 13,
      "message_received": "แล้วใน Stack มันมีค่าอยู่หรือเปล่า Stack ในช่องนี่",
      "slice_count": 2,
      "slices": "แล้วใน Stack มันมีค่าอยู่หรือเปล่า |Stack ก็คือช่องนี|",
      "edit_duration": 2.393,
      "isForceout": true
    },
    {
      "message_id": 1013,
      "editor_id": 13,
      "message_received": "ช่องนี้ ช่องที่ 2 นี่ มัน",
      "slice_count": 2,
      "slices": "้ ช่องที่ 2 นี่| มัน|",
      "edit_duration": 12.067,
      "isForceout": true
    },
    {
      "message_id": 1014,
      "editor_id": 13,
      "message_received": "มีค่าอยู่ไหม ถ้ามันไม่มีค่าอยู่เลย",
      "slice_count": 2,
      "slices": "มีค่าอยู่ไหม |ถ้ามันไม่มีค่าอยู่เลย|",
      "edit_duration": 10.341,
      "isForceout": false
    },
    {
      "message_id": 1015,
      "editor_id": 13,
      "message_received": "ก็หย่อนมันลงไปใน Stack",
      "slice_count": 2,
      "slices": " |ก็หย่อนมันลงไปใน Stack|",
      "edit_duration": 7.686,
      "isForceout": false
    },
    {
      "message_id": 1016,
      "editor_id": 13,
      "message_received": "แต่ถ้าใน Stack มันมีข้อมูล",
      "slice_count": 2,
      "slices": " |แต่ถ้าใน Stack มันมีข้อมูล|",
      "edit_duration": 4.789,
      "isForceout": false
    },
    {
      "message_id": 1017,
      "editor_id": 13,
      "message_received": "อยู่แล้ว เราจะต้องทำการ",
      "slice_count": 2,
      "slices": "อยู่แล้ว |เราจะต้องทำการ|",
      "edit_duration": 2.356,
      "isForceout": false
    },
    {
      "message_id": 1018,
      "editor_id": 13,
      "message_received": "เปรียบเทียบก่อน ว่าข้อมูล",
      "slice_count": 2,
      "slices": "เปรียบเทียบก่อน |ว่าข้อมูล|",
      "edit_duration": 0.66,
      "isForceout": false
    },
    {
      "message_id": 1019,
      "editor_id": 13,
      "message_received": "ที่เราอ่านเข้ามานี่",
      "slice_count": 1,
      "slices": "ที่เราอ่านเข้ามานี่|",
      "edit_duration": 1.161,
      "isForceout": false
    },
    {
      "message_id": 1020,
      "editor_id": 13,
      "message_received": "มันมีค่ามากกว่า หรือน้อยกว่าตัวที่อยู่ใน",
      "slice_count": 3,
      "slices": " |มันมีค่ามากกว่า |หรือน้อยกว่าตัวที่อยู่ใน|",
      "edit_duration": 0.594,
      "isForceout": false
    },
    {
      "message_id": 1021,
      "editor_id": 13,
      "message_received": "Stack",
      "slice_count": 2,
      "slices": " |Stack|",
      "edit_duration": 0.821,
      "isForceout": false
    },
    {
      "message_id": 1022,
      "editor_id": 13,
      "message_received": "ถ้ามันมากกว่า",
      "slice_count": 2,
      "slices": " |ถ้ามันมากกว่า|",
      "edit_duration": 0.969,
      "isForceout": false
    },
    {
      "message_id": 1023,
      "editor_id": 13,
      "message_received": "ถ้ากรณีที่ตัวที่เราอ่านมีค่ามากกว่า",
      "slice_count": 3,
      "slices": " |ถ้ากรณีที่ตัวที่เราอ่านนี่ |มีค่ามากกว่า|",
      "edit_duration": 0.67,
      "isForceout": false
    },
    {
      "message_id": 1024,
      "editor_id": 13,
      "message_received": "ก็หย่อนลงไปใน Stack ได้เลย",
      "slice_count": 2,
      "slices": " |ก็หย่อนลงไปใน Stack ได้เลย|",
      "edit_duration": 0.889,
      "isForceout": false
    },
    {
      "message_id": 1025,
      "editor_id": 13,
      "message_received": "ถ้าสิ่งที่",
      "slice_count": 2,
      "slices": " |ถ้าสิ่งที่|",
      "edit_duration": 1.041,
      "isForceout": false
    },
    {
      "message_id": 1026,
      "editor_id": 13,
      "message_received": "เราอ่านเข้ามามันมีค่าน้อยกว่าสิ่งที่",
      "slice_count": 2,
      "slices": "เราอ่านเข้ามา |มันมีค่าน้อยกว่าสิ่งที่|",
      "edit_duration": 1.33,
      "isForceout": false
    },
    {
      "message_id": 1027,
      "editor_id": 13,
      "message_received": "อยู่ใน Stack",
      "slice_count": 1,
      "slices": "อยู่ใน Stack|",
      "edit_duration": 1.934,
      "isForceout": false
    },
    {
      "message_id": 1028,
      "editor_id": 13,
      "message_received": "ให้เอาเครื่องหมายใน Stack",
      "slice_count": 2,
      "slices": " |ให้เอาเครื่องหมายใน Stack|",
      "edit_duration": 0.857,
      "isForceout": false
    },
    {
      "message_id": 1029,
      "editor_id": 13,
      "message_received": "ออกไปไว้ที่ผลลัพธ์",
      "slice_count": 2,
      "slices": " |ออกไปไว้ที่ผลลัพธ์|",
      "edit_duration": 0.858,
      "isForceout": false
    },
    {
      "message_id": 1030,
      "editor_id": 13,
      "message_received": "แล้วเอาเครื่องหมายตัวที่เราอ่านเข้ามาหย่อนลงไปใน Stack",
      "slice_count": 3,
      "slices": " |แล้วเอาเครื่องหมายตัวที่เราอ่าน|เข้ามาหย่อนลงไปใน Stack|",
      "edit_duration": 0.605,
      "isForceout": false
    },
    {
      "message_id": 1031,
      "editor_id": 13,
      "message_received": "โอเค",
      "slice_count": 2,
      "slices": " |โอเค|",
      "edit_duration": 1.254,
      "isForceout": false
    },
    {
      "message_id": 1032,
      "editor_id": 13,
      "message_received": "ถ้า",
      "slice_count": 2,
      "slices": " |ถ้า|",
      "edit_duration": 2.585,
      "isForceout": false
    },
    {
      "message_id": 1033,
      "editor_id": 13,
      "message_received": "เราอ่านจนครบข้อมูล",
      "slice_count": 1,
      "slices": "เราอ่านจนครบข้อมูล|",
      "edit_duration": 2.591,
      "isForceout": false
    },
    {
      "message_id": 1034,
      "editor_id": 13,
      "message_received": "ทุกตัวแล้ว เรายังมีข้อมูลอยู่ใน Stack",
      "slice_count": 2,
      "slices": "ทุกตัวแล้ว |เรายังมีข้อมูลอยู่ใน Stack|",
      "edit_duration": 0.453,
      "isForceout": false
    },
    {
      "message_id": 1035,
      "editor_id": 13,
      "message_received": "เราก็ดึงมันออกมา ก็คือ Pop มันออกมา",
      "slice_count": 4,
      "slices": " |เราก็ดึงมันออกมา |ก็คือ Pop |มันออกมา|",
      "edit_duration": 0.672,
      "isForceout": false
    },
    {
      "message_id": 1036,
      "editor_id": 13,
      "message_received": "เป็นผลลัพธ์",
      "slice_count": 2,
      "slices": "นะคะ |เป็นผลลัพธ์|",
      "edit_duration": 2.592,
      "isForceout": false
    },
    {
      "message_id": 1037,
      "editor_id": 13,
      "message_received": "มาดูตัวอย่างนะ ทุกคนถือ... ดุตัวอย่าง",
      "slice_count": 4,
      "slices": " |มาดูตัวอย่างนะ |ทุกคนถือ... |ดูกระดาษตัวอย่าง|",
      "edit_duration": 1.367,
      "isForceout": false
    },
    {
      "message_id": 1038,
      "editor_id": 13,
      "message_received": "ที่เป็นขั้นตอนด้วยนะคะ",
      "slice_count": 1,
      "slices": "ที่เป็นขั้นตอนด้วยนะคะ |",
      "edit_duration": 5.961,
      "isForceout": false
    },
    {
      "message_id": 1039,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1040,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1041,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1042,
      "editor_id": 13,
      "message_received": "โอเค",
      "slice_count": 1,
      "slices": "โอเค|",
      "edit_duration": 2.215,
      "isForceout": false
    },
    {
      "message_id": 1043,
      "editor_id": 13,
      "message_received": "โจทย์",
      "slice_count": 2,
      "slices": " |โจทย์|",
      "edit_duration": 0.937,
      "isForceout": false
    },
    {
      "message_id": 1044,
      "editor_id": 13,
      "message_received": "ที่ครูให้ ทุกคนดูที่หน้าจอนะคะ",
      "slice_count": 2,
      "slices": "ที่ครูให้ |ทุกคนดูที่หน้าจอนะคะ |",
      "edit_duration": 0.459,
      "isForceout": false
    },
    {
      "message_id": 1045,
      "editor_id": 13,
      "message_received": "ครูมีโจทย์",
      "slice_count": 1,
      "slices": "ครูมีโจทย์|",
      "edit_duration": 5.024,
      "isForceout": false
    },
    {
      "message_id": 1046,
      "editor_id": 13,
      "message_received": "มาให้นะคะ ก็คือ 5 + 2",
      "slice_count": 2,
      "slices": "มาให้นะคะ |ก็คือ 5 + 2|",
      "edit_duration": 1.024,
      "isForceout": false
    },
    {
      "message_id": 1047,
      "editor_id": 13,
      "message_received": "x 2",
      "slice_count": 1,
      "slices": " x 2|",
      "edit_duration": 4.258,
      "isForceout": false
    },
    {
      "message_id": 1048,
      "editor_id": 13,
      "message_received": "อันดับแรกครูต้องทำอะไร",
      "slice_count": 2,
      "slices": " |อันดับแรกครูต้องทำอะไร|",
      "edit_duration": 0.653,
      "isForceout": false
    },
    {
      "message_id": 1049,
      "editor_id": 13,
      "message_received": "อันดับแรกวาดตาราง 3 ช่อง",
      "slice_count": 3,
      "slices": " ครูต้องวาดตารางก่อนใช่ไหมคะ |อันดับแรกวาดตาราง 3 |ช่อง|",
      "edit_duration": 7.846,
      "isForceout": false
    },
    {
      "message_id": 1050,
      "editor_id": 13,
      "message_received": "วาดตาราง 3 ช่อง จำนวนแถว",
      "slice_count": 2,
      "slices": "วาดตาราง 3 ช่อง |จำนวนแถว|",
      "edit_duration": 6.086,
      "isForceout": false
    },
    {
      "message_id": 1051,
      "editor_id": 13,
      "message_received": "ก็เอาข้อมูลตัวเลขกับเครื่องหมาย",
      "slice_count": 1,
      "slices": "ก็เอาข้อมูลตัวเลขกับเครื่องหมาย|",
      "edit_duration": 4.254,
      "isForceout": false
    },
    {
      "message_id": 1052,
      "editor_id": 13,
      "message_received": "มาใส่ทีละบรรทัด 5",
      "slice_count": 2,
      "slices": "มาใส่ทีละบรรทัด |5|",
      "edit_duration": 1.199,
      "isForceout": false
    },
    {
      "message_id": 1053,
      "editor_id": 13,
      "message_received": "ที่ 1 ถูกไหมคะ บวกบรรทัด",
      "slice_count": 3,
      "slices": " บรรทัดที่ 1 |ถูกไหมคะ |+ บรรทัด|",
      "edit_duration": 4.013,
      "isForceout": false
    },
    {
      "message_id": 1054,
      "editor_id": 13,
      "message_received": "ใส่เลข 2 บรรทัดถัดมาใส่เครื่องหมายคูณ",
      "slice_count": 3,
      "slices": "ที่ 2 |ใส่เลข 2 |บรรทัดถัดมาใส่เครื่องหมายคูณ|",
      "edit_duration": 5.961,
      "isForceout": false
    },
    {
      "message_id": 1055,
      "editor_id": 13,
      "message_received": "แล้วก็ใส่เลข 2",
      "slice_count": 2,
      "slices": " |แล้วก็ใส่เลข 2|",
      "edit_duration": 6.514,
      "isForceout": false
    },
    {
      "message_id": 1056,
      "editor_id": 13,
      "message_received": "เราก็จะวาดตารางเรียบร้อยแล้วใช่ไหมคะ จำนวนแถว",
      "slice_count": 3,
      "slices": " |เราก็จะวาดตารางเรียบร้อยแล้วใช่ไหมคะ |จำนวนแถว|",
      "edit_duration": 3.156,
      "isForceout": false
    },
    {
      "message_id": 1057,
      "editor_id": 13,
      "message_received": "ขึ้นอยู่กับจำนวนข้อมูล",
      "slice_count": 1,
      "slices": "ขึ้นอยู่กับจำนวนข้อมูล|",
      "edit_duration": 5.348,
      "isForceout": false
    },
    {
      "message_id": 1058,
      "editor_id": 13,
      "message_received": "ในโจทย์ว่ามีกี่ตัว ก็สร้างแถว",
      "slice_count": 3,
      "slices": "ในโจทย์|ว่ามีกี่ตัว |ก็สร้างแถว|",
      "edit_duration": 1.354,
      "isForceout": false
    },
    {
      "message_id": 1059,
      "editor_id": 13,
      "message_received": "ใส่ข้อมูลให้เลย",
      "slice_count": 2,
      "slices": " |ใส่ข้อมูลให้เลย|",
      "edit_duration": 0.926,
      "isForceout": false
    },
    {
      "message_id": 1060,
      "editor_id": 13,
      "message_received": "เรากำหนด",
      "slice_count": 1,
      "slices": " เรากำหนด|",
      "edit_duration": 9.413,
      "isForceout": false
    },
    {
      "message_id": 1061,
      "editor_id": 13,
      "message_received": "tack ว่างแล้วใช่ไหมคะ",
      "slice_count": 1,
      "slices": " stack ว่างแล้วใช่ไหมคะ |",
      "edit_duration": 5.414,
      "isForceout": false
    },
    {
      "message_id": 1062,
      "editor_id": 13,
      "message_received": "ถัดมา ต้องอ่านข้อมูลทีละตัว",
      "slice_count": 2,
      "slices": "ถัดมา |ต้องอ่านข้อมูลทีละตัว|",
      "edit_duration": 2.142,
      "isForceout": false
    },
    {
      "message_id": 1063,
      "editor_id": 13,
      "message_received": "เราต้องอ่านข้อมูลทีละตัวจากซ้าย",
      "slice_count": 3,
      "slices": " |เราต้องอ่านข้อมูลทีละตัว |จากซ้าย|",
      "edit_duration": 1.088,
      "isForceout": false
    },
    {
      "message_id": 1064,
      "editor_id": 13,
      "message_received": "ไปขวา ตัวแรกคืออะไรคะ",
      "slice_count": 2,
      "slices": "ไปขวา |ตัวแรกคืออะไรคะ|",
      "edit_duration": 0.918,
      "isForceout": false
    },
    {
      "message_id": 1065,
      "editor_id": 13,
      "message_received": "คือ 5 ใช่ไหม ครูเขียนเรียงแล้ว",
      "slice_count": 3,
      "slices": " |คือ 5 ใช่ไหม |ครูเขียนเรียงแล้ว|",
      "edit_duration": 0.735,
      "isForceout": false
    },
    {
      "message_id": 1066,
      "editor_id": 13,
      "message_received": "5 บวก... มี 2 มีคูณ แล้วก็มี 2",
      "slice_count": 2,
      "slices": " 5 +| มี 2 มี x แล้วก็มี 2|",
      "edit_duration": 5.007,
      "isForceout": false
    },
    {
      "message_id": 1067,
      "editor_id": 13,
      "message_received": "อันนี้คือข้อมูลที่เราอ่านจากซ้ายไปขวา",
      "slice_count": 2,
      "slices": " |อันนี้คือข้อมูลที่เราอ่านจากซ้ายไปขวา|",
      "edit_duration": 6.843,
      "isForceout": false
    },
    {
      "message_id": 1068,
      "editor_id": 13,
      "message_received": "ตัวแรก เป็นตัวเลขใช่ไหมคะ",
      "slice_count": 3,
      "slices": " |ตัวแรก |เป็นตัวเลขใช่ไหมคะ |",
      "edit_duration": 4.337,
      "isForceout": false
    },
    {
      "message_id": 1069,
      "editor_id": 13,
      "message_received": "มันเป็นตัวเลขแล้วมันตรงกับตัวไหน",
      "slice_count": 2,
      "slices": "มันเป็นตัวแรก |แล้วมันตรงกับตัวไหน|",
      "edit_duration": 9.601,
      "isForceout": false
    },
    {
      "message_id": 1070,
      "editor_id": 13,
      "message_received": "ในขั้นตอน ข้อ",
      "slice_count": 2,
      "slices": "ในขั้นตอน| ข้อ|",
      "edit_duration": 7.231,
      "isForceout": false
    },
    {
      "message_id": 1071,
      "editor_id": 13,
      "message_received": "3 ที่บอกว่าถ้าเป็นตัวเลข",
      "slice_count": 3,
      "slices": " |3 ที่บอกว่า|ถ้าเป็นตัวเลข|",
      "edit_duration": 3.936,
      "isForceout": false
    },
    {
      "message_id": 1072,
      "editor_id": 13,
      "message_received": "ให้เอาไปไว้ที่ไหน เอาไปไว้ที่",
      "slice_count": 2,
      "slices": "ให้เอาไปไว้ที่ไหน เ|อาไปไว้ที่|",
      "edit_duration": 2.63,
      "isForceout": false
    },
    {
      "message_id": 1073,
      "editor_id": 13,
      "message_received": "ผลลัพธ์ ถ้าเป็น",
      "slice_count": 2,
      "slices": "ผลลัพธ์ |ถ้าเป็น|",
      "edit_duration": 1.441,
      "isForceout": false
    },
    {
      "message_id": 1074,
      "editor_id": 13,
      "message_received": "ตัวเลข เอาไปไว้ที่ผลลัพธ์ได้เลย",
      "slice_count": 2,
      "slices": "ตัวเลข |เอาไปไว้ที่ผลลัพธ์ได้เลย|",
      "edit_duration": 0.547,
      "isForceout": false
    },
    {
      "message_id": 1075,
      "editor_id": 13,
      "message_received": "ถัดมา",
      "slice_count": 1,
      "slices": " ถัดมา|",
      "edit_duration": 3.028,
      "isForceout": false
    },
    {
      "message_id": 1076,
      "editor_id": 13,
      "message_received": "เจอเครื่องหมายบวกนะคะ เจอเครื่องหมายบวก",
      "slice_count": 3,
      "slices": " |เจอเครื่องหมายบวกนะคะ |เจอเครื่องหมายบวก|",
      "edit_duration": 1.049,
      "isForceout": false
    },
    {
      "message_id": 1077,
      "editor_id": 13,
      "message_received": "ตอนนี้ใน Stack มันไม่มีค่า",
      "slice_count": 3,
      "slices": " |ตอนนี้ |ใน Stack มันไม่มีค่า|",
      "edit_duration": 1.828,
      "isForceout": false
    },
    {
      "message_id": 1078,
      "editor_id": 13,
      "message_received": "อะไรเลย ทำอย่างไรคะ",
      "slice_count": 2,
      "slices": "อะไรเลย |ทำอย่างไรคะ|",
      "edit_duration": 1.611,
      "isForceout": false
    },
    {
      "message_id": 1079,
      "editor_id": 13,
      "message_received": "ก็ใส่ได้เลย ใส่เครื่องหมายบวก",
      "slice_count": 3,
      "slices": " |ก็ใส่ได้เลย |ใส่เครื่องหมายบวก|",
      "edit_duration": 1.282,
      "isForceout": false
    },
    {
      "message_id": 1080,
      "editor_id": 13,
      "message_received": "ลงมาได้เลย ถ้ามันเป็น Stack ว่าง เห็นไหมคะ",
      "slice_count": 3,
      "slices": "ลงมาได้เลย |ถ้ามันเป็น Stack ว่าง | เห็นไหมคะ |",
      "edit_duration": 0.648,
      "isForceout": false
    },
    {
      "message_id": 1081,
      "editor_id": 13,
      "message_received": "ตัวบนเป็น Stack ว่าง เราก็เอาใส่ได้เลย",
      "slice_count": 2,
      "slices": "ตัวบนเป็น Stack ว่าง |เราก็เอา + ใส่ได้เลย|",
      "edit_duration": 1.656,
      "isForceout": false
    },
    {
      "message_id": 1082,
      "editor_id": 13,
      "message_received": "แล้วก็เขียน 5 ลงมาเหมือนเดิมนะคะ",
      "slice_count": 2,
      "slices": " |แล้วก็เขียน 5 ลงมาเหมือนเดิมนะคะ |",
      "edit_duration": 3.333,
      "isForceout": false
    },
    {
      "message_id": 1083,
      "editor_id": 13,
      "message_received": "ยก 5 ลงมาเหมือนเดิมนะ",
      "slice_count": 1,
      "slices": "ยก 5 ลงมาเหมือนเดิมนะ|",
      "edit_duration": 2.945,
      "isForceout": false
    },
    {
      "message_id": 1084,
      "editor_id": 13,
      "message_received": "ดู ดูพร้อมครูก่อนนะ",
      "slice_count": 2,
      "slices": " |ดู ดูพร้อมครูก่อนนะ|",
      "edit_duration": 0.629,
      "isForceout": false
    },
    {
      "message_id": 1085,
      "editor_id": 13,
      "message_received": "เดี๋ยวครู...",
      "slice_count": 2,
      "slices": " |เดี๋ยวครู...|",
      "edit_duration": 0.824,
      "isForceout": false
    },
    {
      "message_id": 1086,
      "editor_id": 13,
      "message_received": "จะถ่ายรูป",
      "slice_count": 2,
      "slices": " |จะถ่ายรูป|",
      "edit_duration": 0.804,
      "isForceout": false
    },
    {
      "message_id": 1087,
      "editor_id": 13,
      "message_received": "เอาขึ้น Classroom ให้",
      "slice_count": 3,
      "slices": "เอาขึ้น Classroom ให| |้|",
      "edit_duration": 1.751,
      "isForceout": false
    },
    {
      "message_id": 1088,
      "editor_id": 13,
      "message_received": "ถัดมา เลข 2 ใช่ไหมคะ เลข 2 มันเป็นอะไร",
      "slice_count": 2,
      "slices": "ถัดมา เลข 2 ใช่ไหมคะ |เลข 2 มันเป็นอะไร|",
      "edit_duration": 4.747,
      "isForceout": false
    },
    {
      "message_id": 1089,
      "editor_id": 13,
      "message_received": "ตัวเลข เพราะฉะนั้นต้องเอาไปไว้ที่ไหน",
      "slice_count": 4,
      "slices": " |มันเป็นตัวเลข |เพราะฉะนั้น |ต้องเอาไปไว้ที่ไหน|",
      "edit_duration": 3.017,
      "isForceout": false
    },
    {
      "message_id": 1090,
      "editor_id": 13,
      "message_received": "ไปไว้ที่ผลลัพธ์",
      "slice_count": 2,
      "slices": " |ไปไว้ที่ผลลัพธ์|",
      "edit_duration": 6.353,
      "isForceout": false
    },
    {
      "message_id": 1091,
      "editor_id": 13,
      "message_received": "ตรงกับข้อ 3 ในขั้นตอนนะ",
      "slice_count": 3,
      "slices": " |ตรงกับข้อ 3 |ในขั้นตอนนะ|",
      "edit_duration": 3.537,
      "isForceout": false
    },
    {
      "message_id": 1092,
      "editor_id": 13,
      "message_received": "เอา 2 มาไว้ที่ Output แต่ต้องเขียน",
      "slice_count": 3,
      "slices": " |เอา 2 มาไว้ที่ Output| แต่ต้องเขียน|",
      "edit_duration": 2.26,
      "isForceout": false
    },
    {
      "message_id": 1093,
      "editor_id": 13,
      "message_received": "หลัง ก็คือเขียนต่อจากเลข 5",
      "slice_count": 2,
      "slices": "หลัง |ก็คือเขียนต่อจากเลข 5|",
      "edit_duration": 1.193,
      "isForceout": false
    },
    {
      "message_id": 1094,
      "editor_id": 13,
      "message_received": "นะคะ",
      "slice_count": 1,
      "slices": " นะคะ |",
      "edit_duration": 10.368,
      "isForceout": false
    },
    {
      "message_id": 1095,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1096,
      "editor_id": 13,
      "message_received": "ถัดมา",
      "slice_count": 1,
      "slices": "ถัดมา|",
      "edit_duration": 3.614,
      "isForceout": false
    },
    {
      "message_id": 1097,
      "editor_id": 13,
      "message_received": "ยกเครื่องหมายบวกลงมาด้วยนะ",
      "slice_count": 2,
      "slices": " |ยกเครื่องหมายบวกลงมาด้วยนะ|",
      "edit_duration": 1.311,
      "isForceout": false
    },
    {
      "message_id": 1098,
      "editor_id": 13,
      "message_received": "เพราะมันอยู่ใน Stack นะคะ เรายังไม่ได้เอาอะไรออก",
      "slice_count": 3,
      "slices": " |เพราะมันอยู่ใน Stack นะคะ |เรายังไม่ได้เอาอะไรออก|",
      "edit_duration": 1.94,
      "isForceout": false
    },
    {
      "message_id": 1099,
      "editor_id": 13,
      "message_received": "หรือเอาอะไรเข้าเพิ่ม",
      "slice_count": 1,
      "slices": "หรือเอาอะไรเข้าเพิ่ม|",
      "edit_duration": 1.584,
      "isForceout": false
    },
    {
      "message_id": 1100,
      "editor_id": 13,
      "message_received": "ถัดมา เป็นเครื่องหมายคูณ",
      "slice_count": 3,
      "slices": " |ถัดมา |เป็นเครื่องหมายคูณ|",
      "edit_duration": 1.019,
      "isForceout": false
    },
    {
      "message_id": 1101,
      "editor_id": 13,
      "message_received": "ใน Stack",
      "slice_count": 1,
      "slices": "ใน Stack|",
      "edit_duration": 3.556,
      "isForceout": false
    },
    {
      "message_id": 1102,
      "editor_id": 13,
      "message_received": "เรามีเครื่องหมายบวกอยู่แล้วนะคะ",
      "slice_count": 2,
      "slices": " |เรามีเครื่องหมายบวกอยู่แล้วนะคะ |",
      "edit_duration": 1.598,
      "isForceout": false
    },
    {
      "message_id": 1103,
      "editor_id": 13,
      "message_received": "ใน Stack นี่เรามีเครื่องหมายบวกอยู่แล้ว",
      "slice_count": 2,
      "slices": "ใน Stack นี่ |เรามีเครื่องหมายบวกอยู่แล้ว|",
      "edit_duration": 0.827,
      "isForceout": false
    },
    {
      "message_id": 1104,
      "editor_id": 13,
      "message_received": "ตัวที่เราอ่านเข้ามา คือ คูณ เรา",
      "slice_count": 3,
      "slices": "ตัวที่เราอ่านเข้ามา |คือ คูณ |เรา|",
      "edit_duration": 0.488,
      "isForceout": false
    },
    {
      "message_id": 1105,
      "editor_id": 13,
      "message_received": "จะต้องทำการเปรียบเทียบ",
      "slice_count": 1,
      "slices": "จะต้องทำการเปรียบเทียบ|",
      "edit_duration": 6.037,
      "isForceout": false
    },
    {
      "message_id": 1106,
      "editor_id": 13,
      "message_received": "ค่าที่เราอ่านเข้ามาใหม่ คือ คูณ",
      "slice_count": 2,
      "slices": "ค่าที่เราอ่านเข้ามาใหม่ |คือ คูณ|",
      "edit_duration": 2.037,
      "isForceout": false
    },
    {
      "message_id": 1107,
      "editor_id": 13,
      "message_received": "กับตัวเดิมที่อยู่ใน Stack",
      "slice_count": 2,
      "slices": " |กับตัวเดิมที่อยู่ใน Stack|",
      "edit_duration": 0.705,
      "isForceout": false
    },
    {
      "message_id": 1108,
      "editor_id": 13,
      "message_received": "คือ บวก เราเปรียบเทียบ ถูกไหมคะ",
      "slice_count": 4,
      "slices": " |คือ บวก |เราเปรียบเทียบ| ถูกไหมคะ |",
      "edit_duration": 0.707,
      "isForceout": false
    },
    {
      "message_id": 1109,
      "editor_id": 13,
      "message_received": "กับตัวบนสุดคือเครื่องหมายบวก สิ่งท",
      "slice_count": 4,
      "slices": "กับตัวบนสุด |คือ| เครื่องหมายบวก |สิ่งท|",
      "edit_duration": 1.609,
      "isForceout": false
    },
    {
      "message_id": 1110,
      "editor_id": 13,
      "message_received": "คืออะไร คูณมีค่า",
      "slice_count": 2,
      "slices": "ี่เราพบคืออะไร |คูณมีค่า|",
      "edit_duration": 4.33,
      "isForceout": false
    },
    {
      "message_id": 1111,
      "editor_id": 13,
      "message_received": "มากกว่าบวก ให้ทำอย่างไร",
      "slice_count": 2,
      "slices": "มากกว่าบวก| ให้ทำอย่างไร|",
      "edit_duration": 1.309,
      "isForceout": false
    },
    {
      "message_id": 1112,
      "editor_id": 13,
      "message_received": "ก็เอาคูณหย่อนลงมาได้เลย",
      "slice_count": 2,
      "slices": " |ก็เอาคูณหย่อนลงมาได้เลย|",
      "edit_duration": 0.769,
      "isForceout": false
    },
    {
      "message_id": 1113,
      "editor_id": 13,
      "message_received": "ใส่คูณ",
      "slice_count": 2,
      "slices": " |ใส่คูณ|",
      "edit_duration": 2.729,
      "isForceout": false
    },
    {
      "message_id": 1114,
      "editor_id": 13,
      "message_received": "ลงไปใน Stack ได้เลยนะคะ ผลลัพธ์ก็เป็นเหมือนเดิม",
      "slice_count": 2,
      "slices": "ลงไปใน Stack ได้เลยนะคะ |ผลลัพธ์ก็เป็นเหมือนเดิม|",
      "edit_duration": 1.017,
      "isForceout": false
    },
    {
      "message_id": 1115,
      "editor_id": 13,
      "message_received": "ตัวถัดมาคือเลข 2",
      "slice_count": 2,
      "slices": " |ตัวถัดมา คือ เลข 2|",
      "edit_duration": 1.248,
      "isForceout": false
    },
    {
      "message_id": 1116,
      "editor_id": 13,
      "message_received": "เลข 2 มันเป็นตัวเลขใช่ไหม เอามาไว้ที่",
      "slice_count": 3,
      "slices": " |เลข 2 มันเป็นตัวเลขใช่ไหม |เอามาไว้ที่|",
      "edit_duration": 0.665,
      "isForceout": false
    },
    {
      "message_id": 1117,
      "editor_id": 13,
      "message_received": "ผลลัพธ์นะคะ เอามาต่อด้านหลัง",
      "slice_count": 2,
      "slices": "ผลลัพธ์นะคะ |เอามาต่อด้านหลัง|",
      "edit_duration": 0.58,
      "isForceout": false
    },
    {
      "message_id": 1118,
      "editor_id": 13,
      "message_received": "เสร็จแล้วเราพบว่า",
      "slice_count": 3,
      "slices": " |เสร็จแล้ว |เราพบว่า|",
      "edit_duration": 0.751,
      "isForceout": false
    },
    {
      "message_id": 1119,
      "editor_id": 13,
      "message_received": "ไม่มีข้อมูลแล้ว ข้อมูลมันหมดแล้วน่ะ",
      "slice_count": 2,
      "slices": "ไม่มีข้อมูลแล้ว |ข้อมูลมันหมดแล้วน่ะ|",
      "edit_duration": 1.577,
      "isForceout": false
    },
    {
      "message_id": 1120,
      "editor_id": 13,
      "message_received": "ข้อมูลมันหมดแล้วนะคะ แต่สิ่งที่เราเจอคืออะไร",
      "slice_count": 6,
      "slices": " |ข้อมูลมันหมดแล้วนะคะ |แต่สิ่งที่เราเจอ|คืออะไร| ใน |หอมูลมันหมดแล้วนะคะ แต่สิ่งที่เราเจอคืออะไร|",
      "edit_duration": 0.67,
      "isForceout": true
    },
    {
      "message_id": 1121,
      "editor_id": 13,
      "message_received": "ใน Stack ยังมีข้อมูลอยู่",
      "slice_count": 1,
      "slices": "ใน Stack ยังมีข้อมูลอยู่|",
      "edit_duration": 13.772,
      "isForceout": false
    },
    {
      "message_id": 1122,
      "editor_id": 13,
      "message_received": "เพราะฉะนั้น ต้องดึงค่า",
      "slice_count": 3,
      "slices": " |เพราะฉะนั้น |ต้องดึงค่า|",
      "edit_duration": 9.774,
      "isForceout": false
    },
    {
      "message_id": 1123,
      "editor_id": 13,
      "message_received": "ออกจาก Stack ให้หมด เราเอาอะไรออกมาก่อนคะ",
      "slice_count": 2,
      "slices": "ออกจาก Stack ให้หมด |เราเอาอะไรออกมาก่อนคะ|",
      "edit_duration": 7.755,
      "isForceout": false
    },
    {
      "message_id": 1124,
      "editor_id": 13,
      "message_received": "ตัวล่าสุด ตัวบนสุด คือ คูณ",
      "slice_count": 3,
      "slices": "ตัวล่าสุด |ตัวบนสุด| คือ คูณ|",
      "edit_duration": 4.733,
      "isForceout": false
    },
    {
      "message_id": 1125,
      "editor_id": 13,
      "message_received": "เอาคูณมาต่อท้ายที่ Output หรือว่าผลลั",
      "slice_count": 2,
      "slices": "เอาคูณมาต่อท้ายที่ Output |หรือว่าผลลั|",
      "edit_duration": 2.978,
      "isForceout": false
    },
    {
      "message_id": 1126,
      "editor_id": 13,
      "message_received": "เอาคูณออกมาแล้วมันเหลืออีกตัวหนึ่งใช่ไหม",
      "slice_count": 3,
      "slices": "พธ์ |เอาคูณออกมาแล้ว |มันเหลืออีกตัวหนึ่งใช่ไหม|",
      "edit_duration": 3.834,
      "isForceout": false
    },
    {
      "message_id": 1127,
      "editor_id": 13,
      "message_received": "ก็เอาบวกออกมา",
      "slice_count": 2,
      "slices": " |ก็เอาบวกออกมา|",
      "edit_duration": 2.585,
      "isForceout": false
    },
    {
      "message_id": 1128,
      "editor_id": 13,
      "message_received": "อันนี้คือผลลัพธ์ ผลลัพธ์สุดท้าย",
      "slice_count": 3,
      "slices": " |อันนี้คือผลลัพธ์ |ผลลัพธ์สุดท้าย|",
      "edit_duration": 2.128,
      "isForceout": false
    },
    {
      "message_id": 1129,
      "editor_id": 13,
      "message_received": "นะคะ",
      "slice_count": 1,
      "slices": "นะคะ |",
      "edit_duration": 1.589,
      "isForceout": false
    },
    {
      "message_id": 1130,
      "editor_id": 13,
      "message_received": "จะอยู่ในรูปแบบของ Postfix คือ แปลงนิพจน์",
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      "slices": "จะอยู่ในรูปแบบของ Postfix คือ แปลงนิพจน์ |",
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      "isForceout": false
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      "message_id": 1131,
      "editor_id": 13,
      "message_received": "",
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      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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      "editor_id": 13,
      "message_received": "ได้ไหมคะ เดี๋ยวเรามาทำพร้อมกันอีกตัวหนึ่ง",
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      "slices": "ได้ไหมคะ |เดี๋ยวเรามาทำพร้อมกันอีกตัวหนึ่ง|",
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      "isForceout": false
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    {
      "message_id": -1,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
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      "isForceout": false
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    {
      "message_id": 1133,
      "editor_id": 13,
      "message_received": "หนึ่ง",
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      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1134,
      "editor_id": 13,
      "message_received": "",
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      "slices": "",
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      "isForceout": false
    },
    {
      "message_id": 1135,
      "editor_id": 13,
      "message_received": "",
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      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1136,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1137,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1138,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1139,
      "editor_id": 13,
      "message_received": "3 + 5 x 1",
      "slice_count": 1,
      "slices": "3 + 5 x 1 |",
      "edit_duration": 8.243,
      "isForceout": false
    },
    {
      "message_id": 1140,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1141,
      "editor_id": 13,
      "message_received": "",
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      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1142,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1143,
      "editor_id": 13,
      "message_received": "ครูมีโจทย์ใช่ไหมคะ 3 + 5 x 1",
      "slice_count": 2,
      "slices": "ครูมีโจทย์ใช่ไหมคะ |3 + 5 x 1|",
      "edit_duration": 3.323,
      "isForceout": false
    },
    {
      "message_id": 1144,
      "editor_id": 13,
      "message_received": "ผลลัพธ์เท่ากับเท่าไหร่เอ่ย ตอบ",
      "slice_count": 3,
      "slices": " |ผลลัพธ์เท่ากับเท่าไหร่เอ่ย |ตอบ|",
      "edit_duration": 0.792,
      "isForceout": false
    },
    {
      "message_id": 1145,
      "editor_id": 13,
      "message_received": "เท่ากับ",
      "slice_count": 1,
      "slices": "เท่ากับ|",
      "edit_duration": 4.624,
      "isForceout": false
    },
    {
      "message_id": 1146,
      "editor_id": 13,
      "message_received": "อันนี้ตอบเท่ากับเท่าไหร่เอ่ย",
      "slice_count": 2,
      "slices": " |อันนี้ตอบเท่ากับเท่าไหร่เอ่ย|",
      "edit_duration": 0.625,
      "isForceout": false
    },
    {
      "message_id": 1147,
      "editor_id": 13,
      "message_received": "8",
      "slice_count": 2,
      "slices": " |8|",
      "edit_duration": 0.993,
      "isForceout": false
    },
    {
      "message_id": 1148,
      "editor_id": 13,
      "message_received": "ข้างหลังตอบอะไร",
      "slice_count": 2,
      "slices": " |ข้างหลังตอบอะไร|",
      "edit_duration": 0.753,
      "isForceout": false
    },
    {
      "message_id": 1149,
      "editor_id": 13,
      "message_received": "ได้เท่ากับอะไรคะ คำตอบ",
      "slice_count": 3,
      "slices": " |ได้เท่ากับอะไรคะ |คำตอบ|",
      "edit_duration": 0.697,
      "isForceout": false
    },
    {
      "message_id": 1150,
      "editor_id": 13,
      "message_received": "ก็คือ 8",
      "slice_count": 2,
      "slices": " |ก็คือ 8|",
      "edit_duration": 0.331,
      "isForceout": false
    },
    {
      "message_id": 1151,
      "editor_id": 13,
      "message_received": "เอา 5 x 1 ก่อนได้เท่าไร",
      "slice_count": 3,
      "slices": " |เอา 5 x 1 ก่อน |ได้เท่าไหร|",
      "edit_duration": 1.909,
      "isForceout": false
    },
    {
      "message_id": 1152,
      "editor_id": 13,
      "message_received": "ค่อยบวกกับ 3",
      "slice_count": 1,
      "slices": "่ ค่อยบวกกับ 3|",
      "edit_duration": 6.196,
      "isForceout": false
    },
    {
      "message_id": 1153,
      "editor_id": 13,
      "message_received": "5 1 เป็น 5 แล้วบวกกับ 3",
      "slice_count": 3,
      "slices": " |5 x 1 เป็น 5 |แล้วบวกกับ 3|",
      "edit_duration": 2.196,
      "isForceout": false
    },
    {
      "message_id": 1154,
      "editor_id": 13,
      "message_received": "8",
      "slice_count": 2,
      "slices": " จะเท่ากับ |8|",
      "edit_duration": 9.182,
      "isForceout": false
    },
    {
      "message_id": 1155,
      "editor_id": 13,
      "message_received": "เดี๋ยวเราจะมาทำ จะมาแปลงนิพจน์กัน",
      "slice_count": 3,
      "slices": " |เดี๋ยวเราจะมาทำ |จะมาแปลงนิพจน์กัน|",
      "edit_duration": 6.239,
      "isForceout": false
    },
    {
      "message_id": 1156,
      "editor_id": 13,
      "message_received": "นะคะ แล้วเราจะมาหาค่าว่ามันได้ 8 ได้อย่างไร",
      "slice_count": 3,
      "slices": "นะคะ |แล้วเราจะมาหาค่า|ว่ามันได้ 8 ได้อย่างไร|",
      "edit_duration": 4.131,
      "isForceout": false
    },
    {
      "message_id": 1157,
      "editor_id": 13,
      "message_received": "อันนี้เรากำลังจะมาแสดงวิธีทำ",
      "slice_count": 2,
      "slices": " |อันนี้เรากำลังจะมาแสดงวิธีทำ|",
      "edit_duration": 2.858,
      "isForceout": false
    },
    {
      "message_id": 1158,
      "editor_id": 13,
      "message_received": "ค่าว่า 8 มันมาจากไหน เราสั่งให้คอมพิวเตอร์มัน",
      "slice_count": 2,
      "slices": "ว่าค่า 8 มันมาจากไหน| เราสั่งให้คอมพิวเตอร์มัน|",
      "edit_duration": 5.34,
      "isForceout": false
    },
    {
      "message_id": 1159,
      "editor_id": 13,
      "message_received": "คิดแบบไหน อันดับแรก วาด Stack ว่าง",
      "slice_count": 3,
      "slices": "คิดแบบไหน| อันดับแรก |วาด Stack ว่าง|",
      "edit_duration": 3.41,
      "isForceout": false
    },
    {
      "message_id": 1160,
      "editor_id": 13,
      "message_received": "ฉะนั้น ครูบอกว่าต้องมีคอลัมน์อยู่ 3 คอลัมน์",
      "slice_count": 3,
      "slices": " |ฉะนั้น |ครูบอกว่าต้องมีคอลัมน์อยู่ 3 คอลัมน์ |",
      "edit_duration": 3.229,
      "isForceout": false
    },
    {
      "message_id": 1161,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1162,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1163,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1164,
      "editor_id": 13,
      "message_received": "ครูมี 3 คอลัมน์แล้ว มี",
      "slice_count": 2,
      "slices": "ครูมี 3 คอลัมน์แล้ว |มี|",
      "edit_duration": 4.379,
      "isForceout": false
    },
    {
      "message_id": 1165,
      "editor_id": 13,
      "message_received": "In put Stack",
      "slice_count": 2,
      "slices": " Input |Stack|",
      "edit_duration": 3.401,
      "isForceout": false
    },
    {
      "message_id": 1166,
      "editor_id": 13,
      "message_received": "แล้วก็ Output",
      "slice_count": 2,
      "slices": " |แล้วก็ Output|",
      "edit_duration": 0.621,
      "isForceout": false
    },
    {
      "message_id": 1167,
      "editor_id": 13,
      "message_received": "จากนั้นครูวาดตารางเลย",
      "slice_count": 2,
      "slices": " |จากนั้นครูวาดตารางเลย|",
      "edit_duration": 0.612,
      "isForceout": false
    },
    {
      "message_id": 1168,
      "editor_id": 13,
      "message_received": "โดยเอาข้อมูลมาใส่ในแต่ละแถวเลยนะคะ",
      "slice_count": 2,
      "slices": " |โดยเอาข้อมูลมาใส่ในแต่ละแถวเลยนะคะ |",
      "edit_duration": 0.629,
      "isForceout": false
    },
    {
      "message_id": 1169,
      "editor_id": 13,
      "message_received": "ครูอ่านเข้ามาทีละตัว",
      "slice_count": 1,
      "slices": "ครูอ่านเข้ามาทีละตัว|",
      "edit_duration": 1.681,
      "isForceout": false
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    {
      "message_id": 1170,
      "editor_id": 13,
      "message_received": "ซ้ายไปขวา ตัวแรก คือ 3 ถัดมา",
      "slice_count": 3,
      "slices": " จากซ้ายไปขวา |ตัวแรก คือ 3 |ถัดมา|",
      "edit_duration": 3.74,
      "isForceout": false
    },
    {
      "message_id": 1171,
      "editor_id": 13,
      "message_received": "คือเครื่องหมายบวก เลข 5",
      "slice_count": 4,
      "slices": " |คือ |เครื่องหมายบวก |เลข 5|",
      "edit_duration": 1.757,
      "isForceout": false
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    {
      "message_id": 1172,
      "editor_id": 13,
      "message_received": "นะคะ เครื่องหมายคูณ",
      "slice_count": 2,
      "slices": " นะคะ |เครื่องหมายคูณ|",
      "edit_duration": 1.706,
      "isForceout": false
    },
    {
      "message_id": 1173,
      "editor_id": 13,
      "message_received": "แล้วก็เลข 1 อันนี้ครูวดตารา",
      "slice_count": 3,
      "slices": " |แล้วก็เลข 1| อันนี้ครูวดตารา|",
      "edit_duration": 0.538,
      "isForceout": false
    },
    {
      "message_id": 1174,
      "editor_id": 13,
      "message_received": "เสร็จแล้ว",
      "slice_count": 1,
      "slices": "งเสร็จแล้ว |",
      "edit_duration": 2.265,
      "isForceout": false
    },
    {
      "message_id": 1175,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1176,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1177,
      "editor_id": 13,
      "message_received": "ทุกคน",
      "slice_count": 1,
      "slices": "ทุกคน|",
      "edit_duration": 5.324,
      "isForceout": false
    },
    {
      "message_id": 1178,
      "editor_id": 13,
      "message_received": "วาดตามครูก่อนเลย เราวาด",
      "slice_count": 2,
      "slices": "วาดตามครูก่อนเลย |เราวาด|",
      "edit_duration": 1.314,
      "isForceout": false
    },
    {
      "message_id": 1179,
      "editor_id": 13,
      "message_received": "ตารางเปล่า ๆ แบบนี้ก่อนนะคะ",
      "slice_count": 1,
      "slices": "ตารางเปล่า ๆ แบบนี้ก่อนนะคะ |",
      "edit_duration": 1.84,
      "isForceout": false
    },
    {
      "message_id": 1180,
      "editor_id": 13,
      "message_received": "คอลัมน์แรก หรือช่องแรก เอา",
      "slice_count": 3,
      "slices": "คอลัมน์แรก |หรือช่องแรก |เอา|",
      "edit_duration": 0.435,
      "isForceout": false
    },
    {
      "message_id": 1181,
      "editor_id": 13,
      "message_received": "ตัวเลขกับเครื่องหมาย",
      "slice_count": 1,
      "slices": "ตัวเลขกับเครื่องหมาย|",
      "edit_duration": 1.905,
      "isForceout": false
    },
    {
      "message_id": 1182,
      "editor_id": 13,
      "message_received": "มาเรียงใส่ทีละบรรทัด",
      "slice_count": 1,
      "slices": "มาเรียงใส่ทีละบรรทัด |",
      "edit_duration": 1.721,
      "isForceout": false
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    {
      "message_id": 1183,
      "editor_id": 13,
      "message_received": "",
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      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1184,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1185,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1186,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1187,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1188,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1189,
      "editor_id": 13,
      "message_received": "",
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      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1190,
      "editor_id": 13,
      "message_received": "",
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      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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      "message_id": 1191,
      "editor_id": 13,
      "message_received": "",
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      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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      "message_id": 1192,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1193,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1194,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1195,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1196,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1197,
      "editor_id": 13,
      "message_received": "",
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      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1198,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1199,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1200,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1201,
      "editor_id": 13,
      "message_received": "คราวนี้",
      "slice_count": 1,
      "slices": "คราวนี้|",
      "edit_duration": 4.453,
      "isForceout": false
    },
    {
      "message_id": 1202,
      "editor_id": 13,
      "message_received": "พอทุกคนลอกตารางเสร็จแล้วใช่ไหมคะ เดี๋ยวเราจะมาทำด้วยกัน",
      "slice_count": 2,
      "slices": "พอทุกคนลอกตารางเสร็จแล้วใช่ไหมคะ |เดี๋ยวเราจะมาทำด้วยกัน|",
      "edit_duration": 2.618,
      "isForceout": false
    },
    {
      "message_id": 1203,
      "editor_id": 13,
      "message_received": "เริ่มต้นตัวแรก",
      "slice_count": 2,
      "slices": " |เริ่มต้นตัวแรก|",
      "edit_duration": 2.987,
      "isForceout": false
    },
    {
      "message_id": 1204,
      "editor_id": 13,
      "message_received": "ใช่ไหมคะทุกคน เริ่มต้นตัวแรกมันเป็นตัวเลข",
      "slice_count": 3,
      "slices": "ใช่ไหมคะ |ทุกคน เริ่มต้นตัวแรก |มันเป็นตัวเลข|",
      "edit_duration": 1.069,
      "isForceout": false
    },
    {
      "message_id": 1205,
      "editor_id": 13,
      "message_received": "ใช่หรือเปล่า เพราะฉะนั้นเอาไปไว้ที่ช่องทางไหน",
      "slice_count": 3,
      "slices": "ใช่หรือเปล่า |มันเป็นตัวแรก |เพราะฉะนั้นเอาไปไว้ที่ช่องทางไหน|",
      "edit_duration": 1.465,
      "isForceout": false
    },
    {
      "message_id": 1206,
      "editor_id": 13,
      "message_received": "ทางขวา",
      "slice_count": 2,
      "slices": " |ทางขวา|",
      "edit_duration": 2.051,
      "isForceout": false
    },
    {
      "message_id": 1207,
      "editor_id": 13,
      "message_received": "ใส่ก่อนเลข 3 ใช่ถูกต้อง",
      "slice_count": 5,
      "slices": " |ใส่ก่อน |เลข 3 |ใช่ |ถูกต้อง|",
      "edit_duration": 0.719,
      "isForceout": false
    },
    {
      "message_id": 1208,
      "editor_id": 13,
      "message_received": "ถัดมา",
      "slice_count": 2,
      "slices": " |ถัดมา|",
      "edit_duration": 0.402,
      "isForceout": false
    },
    {
      "message_id": 1209,
      "editor_id": 13,
      "message_received": "เป็นเครื่องหมายบวกใช่ไหมคะ",
      "slice_count": 4,
      "slices": " |เป็นเครื่องหมายบวกใช่ไหมคะ| เป็นเครื่องหมายบวก| |",
      "edit_duration": 1.077,
      "isForceout": false
    },
    {
      "message_id": 1210,
      "editor_id": 13,
      "message_received": "ตรงนี้มีอะไรไหม ไม่มี",
      "slice_count": 2,
      "slices": "ตรงนี้มีอะไรไหม ไ|ม่มี|",
      "edit_duration": 4.507,
      "isForceout": false
    },
    {
      "message_id": 1211,
      "editor_id": 13,
      "message_received": "เพราะฉะนั้น เอา + มาใส่ตรงนี้ได้เลยไหม",
      "slice_count": 3,
      "slices": " |เพราะฉะนั้น |เอาบวกมาใส่ตรงนี้ได้เลยไหม|",
      "edit_duration": 2.704,
      "isForceout": false
    },
    {
      "message_id": 1212,
      "editor_id": 13,
      "message_received": "ถ้าเป็นเครื่องหมาย เอาลงที่",
      "slice_count": 3,
      "slices": " |ถ้าเป็นเครื่องหมาย |เอาลงที่|",
      "edit_duration": 4.309,
      "isForceout": false
    },
    {
      "message_id": 1213,
      "editor_id": 13,
      "message_received": "Stack เพราะฉะนั้นตอนนี้ Stack",
      "slice_count": 4,
      "slices": " |Stack| เพราะฉะนั้น |ตอนนี้ Stack|",
      "edit_duration": 1.834,
      "isForceout": false
    },
    {
      "message_id": 1214,
      "editor_id": 13,
      "message_received": "ก็ใส่เครื่องหมายบวกได้เลย",
      "slice_count": 2,
      "slices": " ว่าง |ก็ใส่เครื่องหมายบวกได้เลย|",
      "edit_duration": 2.932,
      "isForceout": false
    },
    {
      "message_id": 1215,
      "editor_id": 13,
      "message_received": "3 ยกลงมาเหมือนเดิมนะคะ เหมือน",
      "slice_count": 2,
      "slices": " |3 ยกลงมาเหมือนเดิมนะคะ |",
      "edit_duration": 1.158,
      "isForceout": false
    },
    {
      "message_id": 1216,
      "editor_id": 13,
      "message_received": "ตรง Output ยก 3 ลงมาเหมือนเดิม",
      "slice_count": 2,
      "slices": "ตรง Output |ยก 3 ลงมาเหมือนเดิม |",
      "edit_duration": 3.462,
      "isForceout": false
    },
    {
      "message_id": 1217,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1218,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1219,
      "editor_id": 13,
      "message_received": "ถัดมาเลข 5 เป็นตัวเลข",
      "slice_count": 2,
      "slices": "ถัดมา |เลข 5 เป็นตัวเลข|",
      "edit_duration": 3.296,
      "isForceout": false
    },
    {
      "message_id": 1220,
      "editor_id": 13,
      "message_received": "เอาไว้ที่ไหน เอาไว้",
      "slice_count": 3,
      "slices": " |เอาไว้ที่ไหน |เอาไว้|",
      "edit_duration": 0.925,
      "isForceout": false
    },
    {
      "message_id": 1221,
      "editor_id": 13,
      "message_received": "Output ใช่ไหม ฉะนั้น เอาของเด",
      "slice_count": 4,
      "slices": " |Output ใช่ไหม |เพราะฉะนั้น |เอาของเด|",
      "edit_duration": 0.783,
      "isForceout": false
    },
    {
      "message_id": 1222,
      "editor_id": 13,
      "message_received": "ยกลงมาก่อน คือ 3 เราเอาเลขอะไรมาใส่",
      "slice_count": 4,
      "slices": "ิม|ยกลงมาก่อน |คือ 3 |เราเอาเลขอะไรมาใส่|",
      "edit_duration": 3.168,
      "isForceout": false
    },
    {
      "message_id": 1223,
      "editor_id": 13,
      "message_received": "เลข 5 นะคะ อันนี้",
      "slice_count": 3,
      "slices": " |เลข 5 นะคะ |อันนี้|",
      "edit_duration": 4.346,
      "isForceout": false
    },
    {
      "message_id": 1224,
      "editor_id": 13,
      "message_received": "ยกลงมาไหม เครื่องหมายบวกยกลงมาด้วยนะ",
      "slice_count": 2,
      "slices": "ยกลงมาไหม| เครื่องหมายบวกยกลงมาด้วยนะ|",
      "edit_duration": 1.906,
      "isForceout": false
    },
    {
      "message_id": 1225,
      "editor_id": 13,
      "message_received": "ยกลงมาด้วย",
      "slice_count": 2,
      "slices": " |ยกลงมาด้วย |",
      "edit_duration": 0.212,
      "isForceout": false
    },
    {
      "message_id": 1226,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1227,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1228,
      "editor_id": 13,
      "message_received": "เสร็จแล้ว ถัดมา",
      "slice_count": 2,
      "slices": "เสร็จแล้ว |ถัดมา|",
      "edit_duration": 2.172,
      "isForceout": false
    },
    {
      "message_id": 1229,
      "editor_id": 13,
      "message_received": "เครื่องหมายคูณ",
      "slice_count": 2,
      "slices": " |เครื่องหมายคูณ|",
      "edit_duration": 0.395,
      "isForceout": false
    },
    {
      "message_id": 1230,
      "editor_id": 13,
      "message_received": "คูณต้องเอามาลง Stack ใช่หรือเปล่า แต่คูณ",
      "slice_count": 3,
      "slices": " |คูณต้องเอามาลง Stack ใช่หรือเปล่า |แต่คูณ|",
      "edit_duration": 0.559,
      "isForceout": false
    },
    {
      "message_id": 1231,
      "editor_id": 13,
      "message_received": "มันมากกว่าบวกใช่ไหม คูณ",
      "slice_count": 2,
      "slices": "มันมากกว่าบวกใช่ไหม |คูณ|",
      "edit_duration": 1.228,
      "isForceout": false
    },
    {
      "message_id": 1232,
      "editor_id": 13,
      "message_received": "กับบวก อะไรมากกว่ากัน คูณ เพราะฉะนั้น",
      "slice_count": 4,
      "slices": "กับบวก |อะไรมากกว่ากัน |คูณ |เพราะฉะนั้น|",
      "edit_duration": 0.526,
      "isForceout": false
    },
    {
      "message_id": 1233,
      "editor_id": 13,
      "message_received": "เราก็ใส่ลงไปใน Stack ได้เลย โดย",
      "slice_count": 3,
      "slices": " |เราก็ใส่ลงไปใน Stack ได้เลย |โดย|",
      "edit_duration": 0.698,
      "isForceout": false
    },
    {
      "message_id": 1234,
      "editor_id": 13,
      "message_received": "โดยเอาของเดิมลงมาก่อน",
      "slice_count": 1,
      "slices": "โดยเอาของเดิมลงมาก่อน|",
      "edit_duration": 1.98,
      "isForceout": false
    },
    {
      "message_id": 1235,
      "editor_id": 13,
      "message_received": "แล้วก็ใส่เครื่องหมายคูณ",
      "slice_count": 2,
      "slices": " |แล้วก็ใส่เครื่องหมายคูณ|",
      "edit_duration": 0.67,
      "isForceout": false
    },
    {
      "message_id": 1236,
      "editor_id": 13,
      "message_received": "อันนี้ยกลงมาเหมือนเดิมไหม ยกลงมาเหมือนเดิม",
      "slice_count": 3,
      "slices": " |อันนี้ยกลงมาเหมือนเดิมไหม |ยกลงมาเหมือนเดิม |",
      "edit_duration": 0.534,
      "isForceout": false
    },
    {
      "message_id": 1237,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1238,
      "editor_id": 13,
      "message_received": "ตรงสุดท้าย 1 เอาไว้ที่ไหน",
      "slice_count": 2,
      "slices": "ตรงสุดท้าย |1 เอาไว้ที่ไห|",
      "edit_duration": 3.877,
      "isForceout": false
    },
    {
      "message_id": 1239,
      "editor_id": 13,
      "message_received": "Output แต่มีของเดิมอยู่แล้วใช่ไหม",
      "slice_count": 2,
      "slices": "น |Output แต่มีของเดิมอยู่แล้วใช่ไหม|",
      "edit_duration": 3.438,
      "isForceout": false
    },
    {
      "message_id": 1240,
      "editor_id": 13,
      "message_received": "ยกของเดิมลงมาก่อน แล้วก็ใส่เลข 1",
      "slice_count": 3,
      "slices": " |ยกของเดิมลงมาก่อน |แล้วก็ใส่เลข 1|",
      "edit_duration": 3.655,
      "isForceout": false
    },
    {
      "message_id": 1241,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1242,
      "editor_id": 13,
      "message_received": "อันนี้ยกลงมาเลยได้ไหม ได้นะคะ ใน Stack",
      "slice_count": 4,
      "slices": " |อันนี้ยกลงมาเลยได้ไหม |ได้นะคะ |ใน Stack|",
      "edit_duration": 0.747,
      "isForceout": false
    },
    {
      "message_id": 1243,
      "editor_id": 13,
      "message_received": "เราก็ยกเครื่องหมายออกมา เครื่องหมายนะคะ",
      "slice_count": 3,
      "slices": " |เราก็ยกเครื่องหมายออกมา |เครื่องหมายนะคะ |",
      "edit_duration": 0.916,
      "isForceout": false
    },
    {
      "message_id": 1244,
      "editor_id": 13,
      "message_received": "บวกกับคูณ",
      "slice_count": 1,
      "slices": "บวกกับคูณ |",
      "edit_duration": 0.936,
      "isForceout": false
    },
    {
      "message_id": 1245,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1246,
      "editor_id": 13,
      "message_received": "เสร็จแล้ว",
      "slice_count": 1,
      "slices": "เสร็จแล้ว|",
      "edit_duration": 6.768,
      "isForceout": false
    },
    {
      "message_id": 1247,
      "editor_id": 13,
      "message_received": "ผลลัพธ์ที่ได้ ตอนนี้ข้อมูลหมดแล้วใช่ไหม",
      "slice_count": 3,
      "slices": " |ผลลัพธ์ที่ได้ |ตอนนี้ข้อมูลหมดแล้วใช่ไหม|",
      "edit_duration": 2.766,
      "isForceout": false
    },
    {
      "message_id": 1248,
      "editor_id": 13,
      "message_received": "ใน Stack ยังมีอยู่ ใน Stack ยังมีอยู่ ต้อง",
      "slice_count": 4,
      "slices": " |ใน Stack ยังมีอยู่ |ใน Stack ยังมีอยู่ |ต้อง|",
      "edit_duration": 0.928,
      "isForceout": false
    },
    {
      "message_id": 1249,
      "editor_id": 13,
      "message_received": "เอาออกมา ต้อง Pop ออกมา ใช่ไหมคะ",
      "slice_count": 3,
      "slices": "เอาออกมา |ต้อง Pop ออกมา |ใช่ไหมคะ |",
      "edit_duration": 0.685,
      "isForceout": false
    },
    {
      "message_id": 1250,
      "editor_id": 13,
      "message_received": "ยกตรง Output ของเดิมลงมาก่อน Pop",
      "slice_count": 2,
      "slices": "ยกตรง Output ของเดิมลงมาก่อน |Pop|",
      "edit_duration": 2.267,
      "isForceout": false
    },
    {
      "message_id": 1251,
      "editor_id": 13,
      "message_received": "บวกกับคูณเอาอะไรออกมาก่อน",
      "slice_count": 2,
      "slices": " |บวกกับคูณเอาอะไรออกมาก่อน|",
      "edit_duration": 0.75,
      "isForceout": false
    },
    {
      "message_id": 1252,
      "editor_id": 13,
      "message_received": "คูณ แล้วตามด้วยบวก เห็นไหมคะ",
      "slice_count": 3,
      "slices": " |คูณ แล้วตามด้วยบวก |เห็นไหมคะ |",
      "edit_duration": 0.591,
      "isForceout": false
    },
    {
      "message_id": 1253,
      "editor_id": 13,
      "message_received": "เอาตัวแรกออกมาก่อน แล้วเอาตัวที่ 2",
      "slice_count": 2,
      "slices": "เอาตัวแรกออกมาก่อน |แล้วก็เอาตัวที่ 2|",
      "edit_duration": 1.359,
      "isForceout": false
    },
    {
      "message_id": 1254,
      "editor_id": 13,
      "message_received": "ออกมา",
      "slice_count": 1,
      "slices": " ออกมา |",
      "edit_duration": 2.415,
      "isForceout": false
    },
    {
      "message_id": 1255,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1256,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1257,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1258,
      "editor_id": 13,
      "message_received": "เดี๋ยวต่ออีกนิดหนึ่งนะคะ เดี๋ยวเขียนตรงนี้ให้เสร็จก่อน",
      "slice_count": 2,
      "slices": "เดี๋ยวต่ออีกนิดหนึ่งนะคะ |เดี๋ยวเขียนตรงนี้ให้เสร็จก่อน |",
      "edit_duration": 3.2,
      "isForceout": false
    },
    {
      "message_id": 1259,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1260,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1261,
      "editor_id": 13,
      "message_received": "เรายังไม่ได้ค่าเลข 8 เลย",
      "slice_count": 1,
      "slices": "เรายังไม่ได้ค่าเลข 8 เลย|",
      "edit_duration": 3.162,
      "isForceout": false
    },
    {
      "message_id": 1262,
      "editor_id": 13,
      "message_received": "จะทำอย่างไรให้ได้เลข 8",
      "slice_count": 2,
      "slices": " |จะทำอย่างไรให้ได้เลข 8 |",
      "edit_duration": 0.837,
      "isForceout": false
    },
    {
      "message_id": 1263,
      "editor_id": 13,
      "message_received": "8",
      "slice_count": 1,
      "slices": "8|",
      "edit_duration": 4.675,
      "isForceout": false
    },
    {
      "message_id": 1264,
      "editor_id": 13,
      "message_received": "ถัดมา เสร็จหรือยังคะ",
      "slice_count": 3,
      "slices": " |ถัดมา |เสร็จหรือยังคะ|",
      "edit_duration": 0.678,
      "isForceout": false
    },
    {
      "message_id": 1265,
      "editor_id": 13,
      "message_received": "เดี๋ยวรอเพื่อน",
      "slice_count": 1,
      "slices": "เดี๋ยวรอเพื่อน|",
      "edit_duration": 5.072,
      "isForceout": false
    },
    {
      "message_id": 1266,
      "editor_id": 13,
      "message_received": "แป๊บหนึ่งนะ",
      "slice_count": 1,
      "slices": "แป๊บหนึ่งนะ |",
      "edit_duration": 1.071,
      "isForceout": false
    },
    {
      "message_id": 1267,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1268,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1269,
      "editor_id": 13,
      "message_received": "โอเค เราได้ผลลัพธ์",
      "slice_count": 2,
      "slices": "โอเค |เราได้ผลลัพธ์|",
      "edit_duration": 3.618,
      "isForceout": false
    },
    {
      "message_id": 1270,
      "editor_id": 13,
      "message_received": "แล้วใช่ไหมคะ จากตารางที่เราทำใน Stack",
      "slice_count": 2,
      "slices": "แล้วใช่ไหมคะ |จากตารางที่เราทำใน Stack |",
      "edit_duration": 0.625,
      "isForceout": false
    },
    {
      "message_id": 1271,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1272,
      "editor_id": 13,
      "message_received": "พอได้ค่าผลลัพธ์แล้วนี่ คือ ตัวนี้",
      "slice_count": 2,
      "slices": "พอได้ค่าผลลัพธ์แล้วนี่ |คือ ตัวนี้|",
      "edit_duration": 3.708,
      "isForceout": false
    },
    {
      "message_id": 1273,
      "editor_id": 13,
      "message_received": "351 คูณ บวก",
      "slice_count": 2,
      "slices": "ใช่ไหม |351 คูณ บวก|",
      "edit_duration": 2.767,
      "isForceout": false
    },
    {
      "message_id": 1274,
      "editor_id": 13,
      "message_received": "มาหาผลลัพธ์ต่อนะคะ ค่านี้จะเป็นค่าสุดท้ายแล้ว",
      "slice_count": 3,
      "slices": "ม|าหาผลลัพธ์ต่อนะคะ |ค่านี้จะเป็นค่าสุดท้ายแล้ว|",
      "edit_duration": 0.525,
      "isForceout": false
    },
    {
      "message_id": 1275,
      "editor_id": 13,
      "message_received": "ที่เราจะได้คำตอบออกมา",
      "slice_count": 2,
      "slices": " |ที่เราจะได้คำตอบออกมา |",
      "edit_duration": 0.859,
      "isForceout": false
    },
    {
      "message_id": 1276,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1277,
      "editor_id": 13,
      "message_received": "ตัวแรกตัวนี้ใช่ไหมคะ",
      "slice_count": 2,
      "slices": "ตัวแรก |ตัวนี้ใช่ไหมคะ |",
      "edit_duration": 2.769,
      "isForceout": false
    },
    {
      "message_id": 1278,
      "editor_id": 13,
      "message_received": "ขั้นตอนถัดมา ถ้าเป็น",
      "slice_count": 2,
      "slices": "ขั้นตอนถัดมา |ถ้าเป็น|",
      "edit_duration": 0.895,
      "isForceout": false
    },
    {
      "message_id": 1279,
      "editor_id": 13,
      "message_received": "ตัวเลข ถ้าเป็นตัวเลขจะ Push",
      "slice_count": 3,
      "slices": "ตัวเลข |ถ้าเป็นตัวเลข |จะ Push|",
      "edit_duration": 0.942,
      "isForceout": false
    },
    {
      "message_id": 1280,
      "editor_id": 13,
      "message_received": "ลง Stack อันนี้อีกอันหนึ่งนะ อีก",
      "slice_count": 4,
      "slices": " |ลง Stack |อันนี้อีกอันหนึ่งนะ |อีก|",
      "edit_duration": 0.74,
      "isForceout": false
    },
    {
      "message_id": 1281,
      "editor_id": 13,
      "message_received": "ขั้นตอนหนึ่วนะคะ ถ้าเป็นตัวเลขจะ P",
      "slice_count": 3,
      "slices": "ขั้นตอนหนึ่งนะคะ |ถ้าเป็นตัวเลข |จะ|",
      "edit_duration": 3.052,
      "isForceout": false
    },
    {
      "message_id": 1282,
      "editor_id": 13,
      "message_received": "ลง Stack ดูพร้อมครูเลย ตัวที่ 1 มา",
      "slice_count": 3,
      "slices": " push ลง Stack| ดูพร้อมครูเลย| ตัวที่ 1 มา|",
      "edit_duration": 8.609,
      "isForceout": false
    },
    {
      "message_id": 1283,
      "editor_id": 13,
      "message_received": "คือตัวเลขอะไรคะ เลข 3",
      "slice_count": 3,
      "slices": " |คือตัวเลขอะไรคะ  |เลข 3|",
      "edit_duration": 6.877,
      "isForceout": false
    },
    {
      "message_id": 1284,
      "editor_id": 13,
      "message_received": "เราเอาใส่ใน Stack",
      "slice_count": 2,
      "slices": " |เราเอาใส่ใน Stack|",
      "edit_duration": 6.218,
      "isForceout": false
    },
    {
      "message_id": 1285,
      "editor_id": 13,
      "message_received": "ดูพร้อมกันนะ เลข 3",
      "slice_count": 3,
      "slices": " |ดูพร้อมกันนะ |เลข 3|",
      "edit_duration": 3.049,
      "isForceout": false
    },
    {
      "message_id": 1286,
      "editor_id": 13,
      "message_received": "ตัวแรก เอาลง Stack ตัวถัดมา",
      "slice_count": 4,
      "slices": " |ตัวแรก| เอาลง Stack |ตัวถัดมา|",
      "edit_duration": 0.941,
      "isForceout": false
    },
    {
      "message_id": 1287,
      "editor_id": 13,
      "message_received": "เลขอะไรคะ เลข 5",
      "slice_count": 2,
      "slices": "เลขอะไรคะ |เลข 5|",
      "edit_duration": 0.44,
      "isForceout": false
    },
    {
      "message_id": 1288,
      "editor_id": 13,
      "message_received": "ก็เอาเลข 5 Push ลง  Stack เหมือนกัน",
      "slice_count": 3,
      "slices": " |ก็เอาเลข 5 Push ลง  Stack |เหมือนกัน|",
      "edit_duration": 0.653,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1289,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1290,
      "editor_id": 13,
      "message_received": "ตัวถัดมาเลขอะไร",
      "slice_count": 1,
      "slices": "ตัวถัดมาเลขอะไร|",
      "edit_duration": 4.04,
      "isForceout": false
    },
    {
      "message_id": 1291,
      "editor_id": 13,
      "message_received": "เลข 1 ก็เอาเลข 1",
      "slice_count": 3,
      "slices": " |เลข 1 |ก็เอาเลข 1|",
      "edit_duration": 0.833,
      "isForceout": false
    },
    {
      "message_id": 1292,
      "editor_id": 13,
      "message_received": "Push ลง Stack เหมือนกัน",
      "slice_count": 2,
      "slices": " |Push ลง Stack เหมือนกัน |",
      "edit_duration": 0.67,
      "isForceout": false
    },
    {
      "message_id": 1293,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1294,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1295,
      "editor_id": 13,
      "message_received": "ถัดมา",
      "slice_count": 1,
      "slices": "ถัดมา|",
      "edit_duration": 6.039,
      "isForceout": false
    },
    {
      "message_id": 1296,
      "editor_id": 13,
      "message_received": "เราเครื่องหมายคูณ ให้",
      "slice_count": 3,
      "slices": " |เราเครื่องหมายคูณ |ให้|",
      "edit_duration": 2.021,
      "isForceout": false
    },
    {
      "message_id": 1297,
      "editor_id": 13,
      "message_received": "Pop ค่าบนสุดอออกมา แล้ว",
      "slice_count": 4,
      "slices": " |Pop |ค่าบนสุดอออกมา| แล้ว|",
      "edit_duration": 0.606,
      "isForceout": false
    },
    {
      "message_id": 1298,
      "editor_id": 13,
      "message_received": "วางไว้ขวามือ เอาเลข 1 ออกมา เห็นไหมคะ",
      "slice_count": 3,
      "slices": "วางไว้ขวามือ |เอาเลข 1 ออกมา |เห็นไหมคะ |",
      "edit_duration": 0.304,
      "isForceout": false
    },
    {
      "message_id": 1299,
      "editor_id": 13,
      "message_received": "จากนั้นใส่เครื่องหมาย",
      "slice_count": 1,
      "slices": "จากนั้นใส่เครื่องหมาย|",
      "edit_duration": 5.78,
      "isForceout": false
    },
    {
      "message_id": 1300,
      "editor_id": 13,
      "message_received": "ถ้ามันเครื่องหมายนะ ตัวที่เราอ่านมา เรา Pop",
      "slice_count": 4,
      "slices": " |ถ้ามันเครื่องหมายนะ| ตัวที่เราอ่านมา |เรา Pop|",
      "edit_duration": 1.789,
      "isForceout": false
    },
    {
      "message_id": 1301,
      "editor_id": 13,
      "message_received": "ตัวเลขออกมาก่อน แล้วใส่เครื่องหมาย",
      "slice_count": 3,
      "slices": " |ตัวเลขออกมาก่อน |แล้วใส่เครื่องหมาย|",
      "edit_duration": 0.644,
      "isForceout": false
    },
    {
      "message_id": 1302,
      "editor_id": 13,
      "message_received": "แล้วเอาตัวที่ 2 ออกมาแบบนี้",
      "slice_count": 3,
      "slices": " |แล้วเอาตัวที่ 2 ออกมา |แบบนี้|",
      "edit_duration": 1.57,
      "isForceout": false
    },
    {
      "message_id": 1303,
      "editor_id": 13,
      "message_received": "นี่นะคะ เอาตัวบนสุดออกมา",
      "slice_count": 2,
      "slices": "นะคะ |เอาตัวบนสุดออกมา|",
      "edit_duration": 6.106,
      "isForceout": false
    },
    {
      "message_id": 1304,
      "editor_id": 13,
      "message_received": "แล้วใส่เครื่องหมายที่เราอ่าน แล้วเอา",
      "slice_count": 3,
      "slices": " |แล้วใส่เครื่องหมายที่เราอ่าน |แล้วเอา|",
      "edit_duration": 3.994,
      "isForceout": false
    },
    {
      "message_id": 1305,
      "editor_id": 13,
      "message_received": "ตัวข้อมูล",
      "slice_count": 1,
      "slices": "ตัวข้อมูล|",
      "edit_duration": 2.107,
      "isForceout": false
    },
    {
      "message_id": 1306,
      "editor_id": 13,
      "message_received": "ตัวเลขที่อยู่ใน Stack ตัวถัดมานี่ออกมา ได้ผลลัพธ์อะไรคะ",
      "slice_count": 5,
      "slices": " |ตัวเลขที่อยู่ใน Stack ตัวถัดมานี่ |เอาออกมา |ได้ผลลัพธ์อะไรคะ| |",
      "edit_duration": 0.62,
      "isForceout": false
    },
    {
      "message_id": 1307,
      "editor_id": 13,
      "message_received": "5 x 1 เป็น 5",
      "slice_count": 1,
      "slices": "5 x 1 เป็น 5|",
      "edit_duration": 6.58,
      "isForceout": false
    },
    {
      "message_id": 1308,
      "editor_id": 13,
      "message_received": "ตอนนี้ใน Stack 1 กับ 5 ออก",
      "slice_count": 3,
      "slices": " |ตอนนี้ใน Stack 1 กับ 5 |ออก|",
      "edit_duration": 2.573,
      "isForceout": false
    },
    {
      "message_id": 1309,
      "editor_id": 13,
      "message_received": "ไปแล้วนะ เราได้ผลลัพธ์",
      "slice_count": 2,
      "slices": "ไปแล้วนะ |เราได้ผลลัพธ์|",
      "edit_duration": 1.621,
      "isForceout": false
    },
    {
      "message_id": 1310,
      "editor_id": 13,
      "message_received": "คือ 5 แล้วอย่างไรต่อ",
      "slice_count": 3,
      "slices": " |คือ 5| แล้วอย่างไรต่อ|",
      "edit_duration": 1.312,
      "isForceout": false
    },
    {
      "message_id": 1311,
      "editor_id": 13,
      "message_received": "ก็ Push ลง Stack",
      "slice_count": 2,
      "slices": " |ก็ Push ลง Stack|",
      "edit_duration": 0.722,
      "isForceout": false
    },
    {
      "message_id": 1312,
      "editor_id": 13,
      "message_received": "เอาเลข 5 Push ลงไปใน Stack",
      "slice_count": 2,
      "slices": " |เอาเลขนี่ 5 Push ลงไปใน Stack|",
      "edit_duration": 0.51,
      "isForceout": false
    },
    {
      "message_id": 1313,
      "editor_id": 13,
      "message_received": "ตอนนี้เอาออกไปแล้ว 2 เหลือ 3",
      "slice_count": 4,
      "slices": " |เดิม มี 3 |ตอนนี้เอาออกไปแล้ว 2 |เหลือ 3|",
      "edit_duration": 0.593,
      "isForceout": false
    },
    {
      "message_id": 1314,
      "editor_id": 13,
      "message_received": "พอคูณเสร็จเอา 5 กลับเข้ามา",
      "slice_count": 3,
      "slices": " |พอคูณเสร็จ |เอา 5 กลับเข้ามา|",
      "edit_duration": 3.204,
      "isForceout": false
    },
    {
      "message_id": 1315,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1316,
      "editor_id": 13,
      "message_received": "ดูนะคะ ถัดมา",
      "slice_count": 2,
      "slices": " ดูนะคะ |ถัดมา|",
      "edit_duration": 4.44,
      "isForceout": false
    },
    {
      "message_id": 1317,
      "editor_id": 13,
      "message_received": "อ่านเครื่องหมายบวก",
      "slice_count": 2,
      "slices": " |อ่านเครื่องหมายบวก|",
      "edit_duration": 1.373,
      "isForceout": false
    },
    {
      "message_id": 1318,
      "editor_id": 13,
      "message_received": "ทำเหมือนเดิมเลย เอาอะไรออกมาคะ",
      "slice_count": 3,
      "slices": " |ทำเหมือนเดิมเลย |เอาอะไรออกมาคะ|",
      "edit_duration": 1.201,
      "isForceout": false
    },
    {
      "message_id": 1319,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1320,
      "editor_id": 13,
      "message_received": "เอา 5 ออกมาไว้ทางขวามือ แล้วก็ใส่เครื่องหมายบวก",
      "slice_count": 3,
      "slices": " |เอา 5 ออกมาไว้ทางขวามือ |แล้วก็ใส่เครื่องหมายบวก|",
      "edit_duration": 0.607,
      "isForceout": false
    },
    {
      "message_id": 1321,
      "editor_id": 13,
      "message_received": "แล้วก้เอา 3 ออกมา คำตอบเป็นเท่าไหร่คะ",
      "slice_count": 3,
      "slices": " |แล้วก้เอา 3 ออกมา |คำตอบเป็นเท่าไหร่คะ|",
      "edit_duration": 0.755,
      "isForceout": false
    },
    {
      "message_id": 1322,
      "editor_id": 13,
      "message_received": "เป็น 8",
      "slice_count": 2,
      "slices": " |เป็น 8 |",
      "edit_duration": 0.751,
      "isForceout": false
    },
    {
      "message_id": 1323,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1324,
      "editor_id": 13,
      "message_received": "แล้วก็เอา 8 ใส่ลงไปใน Stack จะเหลือเป็นค่าสุดท้าย",
      "slice_count": 2,
      "slices": "แล้วก็เอา 8 ใส่ลงไปใน Stack |จะเหลือเป็นค่าสุดท้าย|",
      "edit_duration": 2.414,
      "isForceout": false
    },
    {
      "message_id": 1325,
      "editor_id": 13,
      "message_received": "นี่คือคำตอบของ",
      "slice_count": 2,
      "slices": " |นี่คือคำตอบของ|",
      "edit_duration": 2.101,
      "isForceout": false
    },
    {
      "message_id": 1326,
      "editor_id": 13,
      "message_received": "โจทย์ข้อนี้ ได้เท่ากันเลยไหม",
      "slice_count": 2,
      "slices": "โจทย์ข้อนี้ |ได้เท่ากันเลยไหม|",
      "edit_duration": 0.739,
      "isForceout": false
    },
    {
      "message_id": 1327,
      "editor_id": 13,
      "message_received": "ได้เท่ากันเลย คือ 8",
      "slice_count": 3,
      "slices": " |ได้เท่ากันเลย |คือ 8|",
      "edit_duration": 0.893,
      "isForceout": false
    },
    {
      "message_id": 1328,
      "editor_id": 13,
      "message_received": "จะเห็นว่านี่คือกระบวนการคอมพิวเตอร์คิดค่า",
      "slice_count": 2,
      "slices": " |จะเห็นว่านี่คือกระบวนการคอมพิวเตอร์คิดค่า|",
      "edit_duration": 0.768,
      "isForceout": false
    },
    {
      "message_id": 1329,
      "editor_id": 13,
      "message_received": "ตัวเลขให้เรานะคะ กว่าจะได้เลข 8",
      "slice_count": 2,
      "slices": "ตัวเลขให้เรานะคะ |กว่าจะได้เลข 8|",
      "edit_duration": 0.85,
      "isForceout": false
    },
    {
      "message_id": 1330,
      "editor_id": 13,
      "message_received": "ออกมานี่ คอมพิวเตอร์ต้องคิดแบบนี้นะคะ",
      "slice_count": 2,
      "slices": " ออกมานี่ |คอมพิวเตอร์ต้องคิดแบบนี้นะคะ |",
      "edit_duration": 1.814,
      "isForceout": false
    },
    {
      "message_id": 1331,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1332,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1333,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1334,
      "editor_id": 13,
      "message_received": "โอเค",
      "slice_count": 1,
      "slices": "โอเค|",
      "edit_duration": 9.696,
      "isForceout": false
    },
    {
      "message_id": 1335,
      "editor_id": 13,
      "message_received": "ใครเสร็จแล้ว",
      "slice_count": 1,
      "slices": "ใครเสร็จแล้ว|",
      "edit_duration": 5.702,
      "isForceout": false
    },
    {
      "message_id": 1336,
      "editor_id": 13,
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      "message_received": "ค่ะ เดี๋ยวมาต่ออีกนิดหนึ่ง",
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      "message_received": "คราวนี้มาดูอีก 1 ตัวอย่างนะคะ",
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      "message_received": "ครูมีโจทย์ให้",
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      "message_received": "Postfix ก่อนนะคะ",
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      "message_received": "อันดับแรก",
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      "message_received": "ต้องวาดตารางก่อนใช่ไหมคะ",
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      "message_received": "วาดตาราง Stack ว่าง",
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      "message_received": "เครื่องหมายคูณ",
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      "message_received": "จะอยู่ต่อจากเลข 5 นะคะ ใน Stack",
      "slice_count": 4,
      "slices": " |จะอยู่ต่อจากเลข 5 | นะคะ |ใน Stack|",
      "edit_duration": 0.746,
      "isForceout": false
    },
    {
      "message_id": 1531,
      "editor_id": 13,
      "message_received": "ก็ยกลงมาเหมือนเดิม",
      "slice_count": 2,
      "slices": " |ก็ยกลงมาเหมือนเดิม |",
      "edit_duration": 0.699,
      "isForceout": false
    },
    {
      "message_id": 1532,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1533,
      "editor_id": 13,
      "message_received": "ถึงตรงนี้นะคะ",
      "slice_count": 1,
      "slices": "ถึงตรงนี้นะคะ |",
      "edit_duration": 2.415,
      "isForceout": false
    },
    {
      "message_id": 1534,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1535,
      "editor_id": 13,
      "message_received": "ถัดมาข้อมูลที่เราอ่านมา",
      "slice_count": 2,
      "slices": "ถัดมา |ข้อมูลที่เราอ่านมา|",
      "edit_duration": 6.008,
      "isForceout": false
    },
    {
      "message_id": 1536,
      "editor_id": 13,
      "message_received": "เครื่องหมายบวก พอเราเจอ",
      "slice_count": 3,
      "slices": "คืออะไร |เครื่องหมายบวก |พอเราเจอ|",
      "edit_duration": 4.525,
      "isForceout": false
    },
    {
      "message_id": 1537,
      "editor_id": 13,
      "message_received": "เครื่องหมายบวก ครูบอกว่าต้องเอามัน",
      "slice_count": 3,
      "slices": "เครื่องหมายบวก| ครูบอกว่า|ต้องเอามัน|",
      "edit_duration": 3.557,
      "isForceout": false
    },
    {
      "message_id": 1538,
      "editor_id": 13,
      "message_received": "ไปไว้ใน Stack แต่ก่อนอื่น ก่อนที่จะ",
      "slice_count": 3,
      "slices": "ไปไว้ใน Stack| แต่ก่อนอื่น |ก่อนที่จะ|",
      "edit_duration": 2.317,
      "isForceout": false
    },
    {
      "message_id": 1539,
      "editor_id": 13,
      "message_received": "เอาไปไว้ใน Stack เดิม",
      "slice_count": 2,
      "slices": "เอาไปไว้ใน Stack |เดิม|",
      "edit_duration": 2.847,
      "isForceout": false
    },
    {
      "message_id": 1540,
      "editor_id": 13,
      "message_received": "เรามีข้อมูลใน Stack หรือเปล่า มีใช่หรือเปล่า มีเครื่องหมายคูณ",
      "slice_count": 4,
      "slices": " |เรามีข้อมูลใน Stack หรือเปล่า |มีใช่หรือเปล่า| มีเครื่องหมายคูณ|",
      "edit_duration": 0.626,
      "isForceout": false
    },
    {
      "message_id": 1541,
      "editor_id": 13,
      "message_received": "เพราะฉะนั้นเราต้",
      "slice_count": 2,
      "slices": " เพราะฉะนั้น |เรา|",
      "edit_duration": 2.789,
      "isForceout": false
    },
    {
      "message_id": 1542,
      "editor_id": 13,
      "message_received": "ต้องเปรียบเทียบความสำคัญก่อน บวก",
      "slice_count": 2,
      "slices": "ต้องเปรียบเทียบความสำคัญก่อน |บวก|",
      "edit_duration": 1.859,
      "isForceout": false
    },
    {
      "message_id": 1543,
      "editor_id": 13,
      "message_received": "มันน้อยกว่าหรือมากกว่าคูณ",
      "slice_count": 2,
      "slices": "มันน้อยกว่า|หรือมากกว่าคูณ|",
      "edit_duration": 2.205,
      "isForceout": false
    },
    {
      "message_id": 1544,
      "editor_id": 13,
      "message_received": "น้อยกว่า ใช่ไหม บวก",
      "slice_count": 3,
      "slices": " |น้อยกว่าใช่ไหม |บวก|",
      "edit_duration": 0.676,
      "isForceout": false
    },
    {
      "message_id": 1545,
      "editor_id": 13,
      "message_received": "มีค่าน้อยกว่าคูณ เพราะฉะนั้น",
      "slice_count": 2,
      "slices": "มีค่าน้อยกว่าคูณ |เพราะฉะนั้น|",
      "edit_duration": 1.383,
      "isForceout": false
    },
    {
      "message_id": 1546,
      "editor_id": 13,
      "message_received": "ทำอย่างไรคะ เอาคูณ",
      "slice_count": 2,
      "slices": " ทำอย่างไรคะ| เอาคูณ|",
      "edit_duration": 1.273,
      "isForceout": false
    },
    {
      "message_id": 1547,
      "editor_id": 13,
      "message_received": "ออกมา",
      "slice_count": 1,
      "slices": "ออกมา|",
      "edit_duration": 1.704,
      "isForceout": false
    },
    {
      "message_id": 1548,
      "editor_id": 13,
      "message_received": "บวกมีค่าน้อยกว่าคูณ เพราะฉะนั้น",
      "slice_count": 3,
      "slices": " |บวกมีค่าน้อยกว่าคูณ| เพราะฉะนั้น|",
      "edit_duration": 0.684,
      "isForceout": false
    },
    {
      "message_id": 1549,
      "editor_id": 13,
      "message_received": "ต้องเอา",
      "slice_count": 2,
      "slices": " |ต้องเอา|",
      "edit_duration": 3.491,
      "isForceout": false
    },
    {
      "message_id": 1550,
      "editor_id": 13,
      "message_received": "ข้อมูลที่อยู่บน Stack นี่ คือ คูณ เอามาไว้ที่",
      "slice_count": 3,
      "slices": "ข้อมูลที่อยู่บน Stack นี่| คือ คูณ |เอามาไว้ที่|",
      "edit_duration": 0.654,
      "isForceout": false
    },
    {
      "message_id": 1551,
      "editor_id": 13,
      "message_received": "Output เห็นไหมคะ",
      "slice_count": 3,
      "slices": " |Output |เห็นไหมคะ |",
      "edit_duration": 0.76,
      "isForceout": false
    },
    {
      "message_id": 1552,
      "editor_id": 13,
      "message_received": "เอามาไว้ที่ Output เสร็จแล้ว เราถึงเอา",
      "slice_count": 3,
      "slices": "เอามาไว้ที่ Output |เสร็จแล้ว |เราถึงเอา|",
      "edit_duration": 1.086,
      "isForceout": false
    },
    {
      "message_id": 1553,
      "editor_id": 13,
      "message_received": "เครื่องหมายบวก Push ลงไปใน Stack",
      "slice_count": 2,
      "slices": "เครื่องหมายบวก |Push ลงไปใน Stack|",
      "edit_duration": 0.676,
      "isForceout": false
    },
    {
      "message_id": 1554,
      "editor_id": 13,
      "message_received": "นะคะ แล้วค่อยเอาเครื่องหมายบวก",
      "slice_count": 3,
      "slices": " |นะคะ| แล้วค่อยเอาเครื่องหมายบวก|",
      "edit_duration": 0.564,
      "isForceout": false
    },
    {
      "message_id": 1555,
      "editor_id": 13,
      "message_received": "ใส่ลงไปใน Stack ได้เลย เพราะ Stack มันว่าง",
      "slice_count": 2,
      "slices": "ใส่ลงไปใน Stack ได้เลย |เพราะว่า Stack มันว่าง|",
      "edit_duration": 1.214,
      "isForceout": false
    },
    {
      "message_id": 1556,
      "editor_id": 13,
      "message_received": "เพราะฉะนั้น ตรง Output จะเป็น",
      "slice_count": 4,
      "slices": " |เพราะฉะนั้น |ตรง Output |จะเป็น|",
      "edit_duration": 0.857,
      "isForceout": false
    },
    {
      "message_id": 1557,
      "editor_id": 13,
      "message_received": "5, 2 แล้วก็เครื่องหมาย5",
      "slice_count": 3,
      "slices": " 5, 2 |แล้วก็เครื่องหมายคูณ | |",
      "edit_duration": 1.118,
      "isForceout": false
    },
    {
      "message_id": 1558,
      "editor_id": 13,
      "message_received": "ทำไมคูณ",
      "slice_count": 1,
      "slices": "ทำไมคูณ|",
      "edit_duration": 4.69,
      "isForceout": false
    },
    {
      "message_id": 1559,
      "editor_id": 13,
      "message_received": "ถึงต้องออกมา เพราะบวกมันน้อยกว่าคูณ",
      "slice_count": 2,
      "slices": "ถึงต้องออกมา |เพราะบวกมันน้อยกว่าคูณ|",
      "edit_duration": 1.234,
      "isForceout": false
    },
    {
      "message_id": 1560,
      "editor_id": 13,
      "message_received": "เห็นไหมคะ บวกมันน้อยกว่าคูณ",
      "slice_count": 3,
      "slices": " |เห็นไหมคะ| บวกมันน้อยกว่าคูณ|",
      "edit_duration": 0.803,
      "isForceout": false
    },
    {
      "message_id": 1561,
      "editor_id": 13,
      "message_received": "เลยเอาคูณออกมา",
      "slice_count": 2,
      "slices": " |เลยเอาคูณออกมา|",
      "edit_duration": 0.527,
      "isForceout": false
    },
    {
      "message_id": 1562,
      "editor_id": 13,
      "message_received": "ถัดมาเลขอะไรคะ เลข 2",
      "slice_count": 4,
      "slices": " |ถัดมา |เลขอะไรคะ |เลข 2|",
      "edit_duration": 0.709,
      "isForceout": false
    },
    {
      "message_id": 1563,
      "editor_id": 13,
      "message_received": "เอาไปไว้ที่ Output ได้เลย ก็เอามันไปต่อท้ายคูณ",
      "slice_count": 3,
      "slices": " |เอาไปไว้ที่ Output ได้เลย |ก็เอามันไปต่อท้ายคูณ|",
      "edit_duration": 0.827,
      "isForceout": false
    },
    {
      "message_id": 1564,
      "editor_id": 13,
      "message_received": "เอามันมาต่อท้ายคูณใช้หรือเปล่า เพราะมันคือคูณ",
      "slice_count": 3,
      "slices": " ใช่หรือเปล่า |เพราะมันคือตัวสุดท้าย |เอามันมาต่อท้ายคูณใช้หรือเปล่า เพราะมันคือคูณ|",
      "edit_duration": 6.638,
      "isForceout": true
    },
    {
      "message_id": 1565,
      "editor_id": 13,
      "message_received": "เอา 2 มาต่อท้าย",
      "slice_count": 1,
      "slices": "เอา 2 มาต่อท้าย|",
      "edit_duration": 12.984,
      "isForceout": false
    },
    {
      "message_id": 1566,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1567,
      "editor_id": 13,
      "message_received": "ตอนนี้เราอ่านข้อมูลครบหมดแล้ว",
      "slice_count": 2,
      "slices": " |ตอนนี้เราอ่านข้อมูลครบหมดแล้ว|",
      "edit_duration": 4.984,
      "isForceout": false
    },
    {
      "message_id": 1568,
      "editor_id": 13,
      "message_received": "แต่ใน Stack มันยังมีบวกค้างอยู่ เพราะฉะนั้น",
      "slice_count": 3,
      "slices": " |แต่ใน Stack มันยังมีบวกค้างอยู่ |เพราะฉะนั้น|",
      "edit_duration": 3.348,
      "isForceout": false
    },
    {
      "message_id": 1569,
      "editor_id": 13,
      "message_received": "ต้อง Pop มันออกมา แ",
      "slice_count": 4,
      "slices": " |ต้อง Pop มันออกมา| แล้วไว้ข้างหลังเลยนะคะ| |",
      "edit_duration": 1.993,
      "isForceout": false
    },
    {
      "message_id": 1570,
      "editor_id": 13,
      "message_received": "นะคะ Pop มันออกมาและไว้ข้างหลัง",
      "slice_count": 2,
      "slices": "นะคะ |Pop มันออกมาและไว้ข้างหลัง |",
      "edit_duration": 8.172,
      "isForceout": false
    },
    {
      "message_id": 1571,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1572,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1573,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1574,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1575,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1576,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1577,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1578,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1579,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1580,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1581,
      "editor_id": 13,
      "message_received": "โอเคนะ",
      "slice_count": 1,
      "slices": "โอเคนะ|",
      "edit_duration": 5.051,
      "isForceout": false
    },
    {
      "message_id": 1582,
      "editor_id": 13,
      "message_received": "แบบฝึกหัด ช่วยครูทำหน่อยตอนนี้เลย",
      "slice_count": 4,
      "slices": " |แบบฝึกหัด |ช่วยครูทำหน่อย |ตอนนี้เลย|",
      "edit_duration": 1.049,
      "isForceout": false
    },
    {
      "message_id": 1583,
      "editor_id": 13,
      "message_received": "ครูโจทย์ให้นะคะ 3 หาร 1",
      "slice_count": 3,
      "slices": " |ครูโจทย์ให้นะคะ |3 หาร 1|",
      "edit_duration": 0.943,
      "isForceout": false
    },
    {
      "message_id": 1584,
      "editor_id": 13,
      "message_received": "ลบ 2 แล้วครูก็บอกว่าหาร",
      "slice_count": 4,
      "slices": " |ลบ 2 |แล้วครูก็บอกว่า|หาร|",
      "edit_duration": 0.696,
      "isForceout": false
    },
    {
      "message_id": 1585,
      "editor_id": 13,
      "message_received": "นี่ มันมีค่ามากกว่าลบนะ",
      "slice_count": 1,
      "slices": "นี่ มันมีค่ามากกว่าลบนะ|",
      "edit_duration": 2.48,
      "isForceout": false
    },
    {
      "message_id": 1586,
      "editor_id": 13,
      "message_received": "หาค่าผลลัพธ์ของนิพจน์",
      "slice_count": 2,
      "slices": " นะคะ |หาค่าผลลัพธ์ของนิพจน์|",
      "edit_duration": 1.379,
      "isForceout": false
    },
    {
      "message_id": 1587,
      "editor_id": 13,
      "message_received": "Postfix ให้ครูหน่อย",
      "slice_count": 2,
      "slices": " |Postfix ให้ครูหน่อย|",
      "edit_duration": 0.931,
      "isForceout": false
    },
    {
      "message_id": 1588,
      "editor_id": 13,
      "message_received": "จะได้อะไร เริ่มต้น",
      "slice_count": 2,
      "slices": " ผลลัพธ์สุดท้ายตัวนี้จะได้อะไร |เริ่มต้น|",
      "edit_duration": 6.341,
      "isForceout": false
    },
    {
      "message_id": 1589,
      "editor_id": 13,
      "message_received": "ทุกคนตีตารางก่อน",
      "slice_count": 2,
      "slices": " |ทุกคนตีตารางก่อน |",
      "edit_duration": 3.346,
      "isForceout": false
    },
    {
      "message_id": 1590,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1591,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1592,
      "editor_id": 13,
      "message_received": "ลองทำดูสิคะ มีกระดาษไหม",
      "slice_count": 2,
      "slices": "ลองทำดูสิคะ |มีกระดาษไหม|",
      "edit_duration": 4.33,
      "isForceout": false
    },
    {
      "message_id": 1593,
      "editor_id": 13,
      "message_received": "ไม่มีมาเอาข้างหน้า",
      "slice_count": 2,
      "slices": " |ไม่มีมาเอาข้างหน้า|",
      "edit_duration": 1.351,
      "isForceout": false
    },
    {
      "message_id": 1594,
      "editor_id": 13,
      "message_received": "ครูมีกระดาษให้นะ",
      "slice_count": 2,
      "slices": " |ครูมีกระดาษให้นะ |",
      "edit_duration": 0.66,
      "isForceout": false
    },
    {
      "message_id": 1595,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1596,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1597,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
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      "message_received": "คราวนี้นะคะ ดูด้วยกัน",
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      "message_received": "เอา 3 ไปไว้ที่ไหนคะ ที่ Output",
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      "message_received": "เห็นไหมคะ เอา 3 ไปไว้ที่ Output",
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      "message_received": "เครื่องหมายหาร เอาเครื่องหมายหารไปไว้ที่ไหน Stack",
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      "slices": " |เครื่องหมายหาร| เอาเครื่องหมายหารไปไว้ที่ไหน |Stack|",
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      "message_received": "เพราะมันเป็น Stack ว่าง เราก็หย่อนเครื่องหมา",
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      "message_received": "Output เรายกมันลงมาด้วยนะ",
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      "message_received": "ยกลงมาก่อน เสร็จแล้วก็เติมเลข 1 ลงไป",
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      "message_received": "ใน Stack ยังเหมือนเดิมนะ",
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      "message_received": "เครื่องหมายลบใช่ไหมคะ เดิมใน Stack เรามี",
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      "message_received": "หาร ปรากฎว่าค",
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      "message_received": "ค่าลบมันน้อยกว่า",
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      "message_received": "ให้ทำอย่างไร",
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      "message_received": "Output เพราะฉะนั้น จะได้เป็น",
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      "message_received": "3, 1 แล้วก็หาร ตรงนี้หายไปใช่ไหมคะ",
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      "message_received": "ลงมาใน Stack",
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      "message_received": "ถัดมาหย่อนอะไร",
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      "slices": " 2 เอาไปไว้ที่ Output |ยกของเดิมลงมาก่อน |ที่ Output |แล้วก็ใส่เลข 2|",
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      "message_received": "ใน Stack หรืออะไรคะ",
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      "message_received": "เครื่องหมายลบใช่ไม อ่านครบหมดแล้วนะ",
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      "message_received": "แต่ใน Stack",
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      "message_received": "เราต้องเอาค่าจาก Stack ออกมา เป็น",
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      "message_received": "3 1 หาร 2 แล้วอะไรคะ ลบ",
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      "message_received": "เห็นไหม",
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      "message_received": "เราเอาค่าที่อยู๋ใน Stack ตัวสุดท้ายมาใส่ข้างหล",
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      "message_received": "ได้เลยนะคะ",
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      "message_received": "โอเค",
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      "message_received": "อีกข้อหนึ่ง",
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      "message_received": "ปรากฏว่าคูณมีค่ามากกว่าลบ",
      "slice_count": 2,
      "slices": "ปรียบเทียบกับตัวนี้ก่อน |ปรากฏว่าคูณมีค่ามากกว่าลบ|",
      "edit_duration": 9.547,
      "isForceout": false
    },
    {
      "message_id": 1875,
      "editor_id": 13,
      "message_received": "ให้ Push คูณลง Stack",
      "slice_count": 2,
      "slices": " |ให้ Push คูณลง Stack|",
      "edit_duration": 8.035,
      "isForceout": false
    },
    {
      "message_id": 1876,
      "editor_id": 13,
      "message_received": "ได้เลย เพราะฉะนั้น",
      "slice_count": 2,
      "slices": " ได้เลย |เพราะฉะนั้น|",
      "edit_duration": 6.021,
      "isForceout": false
    },
    {
      "message_id": 1877,
      "editor_id": 13,
      "message_received": "Stack เดิมเป็น push",
      "slice_count": 4,
      "slices": " |Stack เดิม |เป็นลบอยู่แล้ว |ครูบอกว่า push|",
      "edit_duration": 2.845,
      "isForceout": false
    },
    {
      "message_id": 1878,
      "editor_id": 13,
      "message_received": "ครูบอกว่า Push ลงมาได้เลยนะคะ เพราะคูณ",
      "slice_count": 3,
      "slices": " |ลงไปได้เลย |เพราะครบอกว่า Push ลงมาได้เลยนะคะ เพราะคูณ|",
      "edit_duration": 8.172,
      "isForceout": true
    },
    {
      "message_id": 1879,
      "editor_id": 13,
      "message_received": "มันมากกว่านะ มันมากกว่านะคะ",
      "slice_count": 2,
      "slices": "มันมากกว่านะ| มันมากกว่านะคะ |",
      "edit_duration": 12.771,
      "isForceout": true
    },
    {
      "message_id": 1880,
      "editor_id": 13,
      "message_received": "ข้างหลัง คือ 6 กับ 5",
      "slice_count": 2,
      "slices": "ข้างหลัง |คือ 6 กับ 5|",
      "edit_duration": 13.321,
      "isForceout": true
    },
    {
      "message_id": 1881,
      "editor_id": 13,
      "message_received": "ถัดมา 2",
      "slice_count": 1,
      "slices": " ถัดมา 2|",
      "edit_duration": 10.869,
      "isForceout": false
    },
    {
      "message_id": 1882,
      "editor_id": 13,
      "message_received": "เป็นตัวเลขไว้ข้างหลังนะคะ",
      "slice_count": 2,
      "slices": " |เป็นตัวเลขไว้ข้างหลังนะคะ |",
      "edit_duration": 6.87,
      "isForceout": false
    },
    {
      "message_id": 1883,
      "editor_id": 13,
      "message_received": "Stack มีเท่าไรยกลงมา",
      "slice_count": 2,
      "slices": "Stack มีเท่าไหร่ |ยกลงมา|",
      "edit_duration": 8.273,
      "isForceout": false
    },
    {
      "message_id": 1884,
      "editor_id": 13,
      "message_received": "โอเค เสร็จแล้ว หมดแล้วนะ ผลลัพธ์",
      "slice_count": 5,
      "slices": " |โอเค |เสร็จแล้ว |หมดแล้วนะ |ผลลัพธ์|",
      "edit_duration": 6.797,
      "isForceout": false
    },
    {
      "message_id": 1885,
      "editor_id": 13,
      "message_received": "สุดท้ายที่ได้ 6, 5, 2",
      "slice_count": 2,
      "slices": "สุดท้ายที่ได้ |6, 5, 2|",
      "edit_duration": 6.508,
      "isForceout": false
    },
    {
      "message_id": 1886,
      "editor_id": 13,
      "message_received": "เอาคูณออกมาก่อน แล้วตามด้วยลบนะคะ",
      "slice_count": 4,
      "slices": " |เอาคูณออกมาก่อน |แล้วตามด้วยลบนะคะ| |",
      "edit_duration": 3.655,
      "isForceout": false
    },
    {
      "message_id": 1887,
      "editor_id": 13,
      "message_received": "เห็นนะโอเค",
      "slice_count": 2,
      "slices": "เห็นนะ |โอเค |",
      "edit_duration": 1.837,
      "isForceout": false
    },
    {
      "message_id": 1888,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1889,
      "editor_id": 13,
      "message_received": "ทุกคนดู",
      "slice_count": 1,
      "slices": "ทุกคนดู|",
      "edit_duration": 4.287,
      "isForceout": false
    },
    {
      "message_id": 1890,
      "editor_id": 13,
      "message_received": "นะคะ",
      "slice_count": 1,
      "slices": "นะคะ  |",
      "edit_duration": 1.054,
      "isForceout": false
    },
    {
      "message_id": 1891,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1892,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1893,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1894,
      "editor_id": 13,
      "message_received": "เราสังเกตนะ",
      "slice_count": 1,
      "slices": "เราสังเกตนะ|",
      "edit_duration": 3.25,
      "isForceout": false
    },
    {
      "message_id": 1895,
      "editor_id": 13,
      "message_received": "ทำไมตัวนี้",
      "slice_count": 2,
      "slices": " |ทำไมตัวนี้|",
      "edit_duration": 0.844,
      "isForceout": false
    },
    {
      "message_id": 1896,
      "editor_id": 13,
      "message_received": "เอาหารออกมา ตัวนี้ไม่ได้เอาอะไรออกมานะคะ ตัวนี้",
      "slice_count": 3,
      "slices": " |เอาหารออกมา |ตัวนี้ไม่ได้เอาอะไรออกมานะคะ |",
      "edit_duration": 1.499,
      "isForceout": false
    },
    {
      "message_id": 1897,
      "editor_id": 13,
      "message_received": "วิธีการสังเกต โอเค",
      "slice_count": 2,
      "slices": "วิธีการสังเกต |โอเค|",
      "edit_duration": 3.933,
      "isForceout": false
    },
    {
      "message_id": 1898,
      "editor_id": 13,
      "message_received": "ลบเทียบกับหาร ลบ",
      "slice_count": 3,
      "slices": " |ลบเทียบกับหาร |ลบ|",
      "edit_duration": 0.874,
      "isForceout": false
    },
    {
      "message_id": 1899,
      "editor_id": 13,
      "message_received": "มันมีค่าน้อยกว่าหารเห็นไหมคะ",
      "slice_count": 3,
      "slices": "มันมีค่าน้อยกว่าหาร |เห็นไหมคะ | |",
      "edit_duration": 1.885,
      "isForceout": false
    },
    {
      "message_id": 1900,
      "editor_id": 13,
      "message_received": "ลบมีค่าน้อยกว่าหาร",
      "slice_count": 1,
      "slices": "ลบมีค่าน้อยกว่าหาร|",
      "edit_duration": 6.166,
      "isForceout": false
    },
    {
      "message_id": 1901,
      "editor_id": 13,
      "message_received": "เลยต้องเอาหาร",
      "slice_count": 1,
      "slices": " เลยต้องเอาหาร|",
      "edit_duration": 4.22,
      "isForceout": false
    },
    {
      "message_id": 1902,
      "editor_id": 13,
      "message_received": "ออกมา",
      "slice_count": 1,
      "slices": "ออกมา|",
      "edit_duration": 1.287,
      "isForceout": false
    },
    {
      "message_id": 1903,
      "editor_id": 13,
      "message_received": "แต่ถ้า Input",
      "slice_count": 2,
      "slices": " |แต่ถ้า Input|",
      "edit_duration": 0.809,
      "isForceout": false
    },
    {
      "message_id": 1904,
      "editor_id": 13,
      "message_received": "ที่ใส่เข้าไปนี่ มีค่ามากกว่า เรา็",
      "slice_count": 4,
      "slices": " |ที่ใส่เข้าไปนี่| มีค่ามากกว่า |เรา|",
      "edit_duration": 0.649,
      "isForceout": false
    },
    {
      "message_id": 1905,
      "editor_id": 13,
      "message_received": "ใส่ลงไปใน Stack ได้เลย",
      "slice_count": 1,
      "slices": "ก็ใส่ลงไปใน Stack ได้เลย|",
      "edit_duration": 4.127,
      "isForceout": false
    },
    {
      "message_id": 1906,
      "editor_id": 13,
      "message_received": "ถ้าตัวซ้ายมันมากกว่าตัวบนตรงนี้",
      "slice_count": 2,
      "slices": " |ถ้าตัวซ้ายมันมากกว่าตัวบนตรงนี้|",
      "edit_duration": 1.03,
      "isForceout": false
    },
    {
      "message_id": 1907,
      "editor_id": 13,
      "message_received": "เราก็ใส่ลงไปใน Stack ได้เลยนะคะ",
      "slice_count": 2,
      "slices": " |เราก็ใส่ลงไปใน Stack ได้เลยนะคะ |",
      "edit_duration": 0.523,
      "isForceout": false
    },
    {
      "message_id": 1908,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1909,
      "editor_id": 13,
      "message_received": "โอเค",
      "slice_count": 1,
      "slices": "โอเค|",
      "edit_duration": 6.071,
      "isForceout": false
    },
    {
      "message_id": 1910,
      "editor_id": 13,
      "message_received": "ต้องกลับไปทบทวนอีกรอบหนึ่งนะ นะคะ",
      "slice_count": 3,
      "slices": " |ต้องกลับไปทบทวนอีกรอบหนึ่งนะ |นะคะ |",
      "edit_duration": 2.068,
      "isForceout": false
    },
    {
      "message_id": 1911,
      "editor_id": 13,
      "message_received": "เดี๋ยวสัปดาห์หน้าครูจะทวน",
      "slice_count": 2,
      "slices": "เดี๋ยวสัปดาห์หน้า|เดี๋ยวครูจะทวน|",
      "edit_duration": 1.988,
      "isForceout": false
    },
    {
      "message_id": 1912,
      "editor_id": 13,
      "message_received": "ให้อีกรอบหนึ่ง",
      "slice_count": 1,
      "slices": "ให้อีกรอบหนึ่ง |",
      "edit_duration": 1.749,
      "isForceout": false
    },
    {
      "message_id": 1913,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1914,
      "editor_id": 13,
      "message_received": "โอเค",
      "slice_count": 1,
      "slices": "โอเค|",
      "edit_duration": 5.263,
      "isForceout": false
    },
    {
      "message_id": 1915,
      "editor_id": 13,
      "message_received": "เดี๋ยวทั้งหมดนี้ครูจะอัปที่ Classroom ให้นะคะ",
      "slice_count": 4,
      "slices": " |เดี๋ยวทั้งหมดนี้| เดี๋ยวครูจะอัป(โหลด)ที่ Classroom ให้นะคะ| |",
      "edit_duration": 1.257,
      "isForceout": false
    },
    {
      "message_id": 1916,
      "editor_id": 13,
      "message_received": "เดี๋ยวครูจะไปสแกนให้ แล้วก็อัปโหลด",
      "slice_count": 2,
      "slices": "เดี๋ยวครูจะไปสแกนให้ |แล้วก็อัปโหลด|",
      "edit_duration": 8.427,
      "isForceout": false
    },
    {
      "message_id": 1917,
      "editor_id": 13,
      "message_received": "ให้ โอเค",
      "slice_count": 2,
      "slices": "ให้ |โอเค |",
      "edit_duration": 6.375,
      "isForceout": false
    },
    {
      "message_id": 1918,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1919,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1920,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1921,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1922,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1923,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1924,
      "editor_id": 13,
      "message_received": "เดี๋ยวครูเช็กชื่อหน่อยนะคะ",
      "slice_count": 1,
      "slices": "เดี๋ยวครูเช็กชื่อหน่อยนะคะ |",
      "edit_duration": 4.092,
      "isForceout": false
    },
    {
      "message_id": 1925,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1926,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1927,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1928,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1929,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1930,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1931,
      "editor_id": 13,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1932,
      "editor_id": 13,
      "message_received": "ครูเช็กชื่อหน่อย",
      "slice_count": 1,
      "slices": "ครูเช็กชื่อหน่อย|",
      "edit_duration": 5.714,
      "isForceout": false
    },
    {
      "message_id": 1933,
      "editor_id": 13,
      "message_received": "ศิริลักษณ์",
      "slice_count": 2,
      "slices": " |ศิริลักษณ์|",
      "edit_duration": 1.714,
      "isForceout": false
    },
    {
      "message_id": 1934,
      "editor_id": 13,
      "message_received": "02",
      "slice_count": 1,
      "slices": " 02|",
      "edit_duration": 3.908,
      "isForceout": false
    },
    {
      "message_id": 1935,
      "editor_id": 13,
      "message_received": "มาไหม 02",
      "slice_count": 3,
      "slices": " |มาไหม |02|",
      "edit_duration": 3.58,
      "isForceout": false
    },
    {
      "message_id": 1936,
      "editor_id": 13,
      "message_received": "คนนี้หรือ",
      "slice_count": 2,
      "slices": " |คนนี้หรือ|",
      "edit_duration": 2.373,
      "isForceout": false
    },
    {
      "message_id": 1937,
      "editor_id": 13,
      "message_received": "03",
      "slice_count": 2,
      "slices": " |03|",
      "edit_duration": 0.895,
      "isForceout": false
    },
    {
      "message_id": 1938,
      "editor_id": 13,
      "message_received": "อดิศร เป็น COVID",
      "slice_count": 3,
      "slices": " |อดิศร |เป็น COVID|",
      "edit_duration": 0.69,
      "isForceout": false
    },
    {
      "message_id": 1939,
      "editor_id": 13,
      "message_received": "4 นพกิต",
      "slice_count": 2,
      "slices": " |4. นพกิต|",
      "edit_duration": 1.007,
      "isForceout": false
    },
    {
      "message_id": 1940,
      "editor_id": 13,
      "message_received": "คนนี้ 5.",
      "slice_count": 3,
      "slices": " |คนนี้ |5.|",
      "edit_duration": 1.226,
      "isForceout": false
    },
    {
      "message_id": 1941,
      "editor_id": 13,
      "message_received": "พงพร ไหน",
      "slice_count": 2,
      "slices": " พงศ์ภรณ์| ไหน|",
      "edit_duration": 6.206,
      "isForceout": false
    },
    {
      "message_id": 1942,
      "editor_id": 13,
      "message_received": "อ๋อ จันทกานต์",
      "slice_count": 3,
      "slices": " |อ๋อ |จันทกานต์|",
      "edit_duration": 3.27,
      "isForceout": false
    },
    {
      "message_id": 1943,
      "editor_id": 13,
      "message_received": "ไหนคะ",
      "slice_count": 2,
      "slices": " |ไหนคะ|",
      "edit_duration": 0.939,
      "isForceout": false
    },
    {
      "message_id": 1944,
      "editor_id": 13,
      "message_received": "กัญญานัฐ",
      "slice_count": 2,
      "slices": " |กัญญานัฐ|",
      "edit_duration": 0.879,
      "isForceout": false
    },
    {
      "message_id": 1945,
      "editor_id": 13,
      "message_received": "ธัญญาลักษณ์",
      "slice_count": 2,
      "slices": " กัญญาณัฐ| ธัญญาลักษณ์|",
      "edit_duration": 11.45,
      "isForceout": false
    },
    {
      "message_id": 1946,
      "editor_id": 13,
      "message_received": "อ๋อ โอเค วริษา",
      "slice_count": 1,
      "slices": "อ๋อ โอเค วริษา|",
      "edit_duration": 14.008,
      "isForceout": true
    },
    {
      "message_id": 1947,
      "editor_id": 13,
      "message_received": "คนนี้",
      "slice_count": 1,
      "slices": "นนี้|",
      "edit_duration": 14.008,
      "isForceout": true
    },
    {
      "message_id": 1948,
      "editor_id": 13,
      "message_received": "ภัทรดา 11 ไม่มา",
      "slice_count": 2,
      "slices": "ภัทรดา 11 |ไม่มา|",
      "edit_duration": 10.089,
      "isForceout": false
    },
    {
      "message_id": 1949,
      "editor_id": 13,
      "message_received": "เทพอักษร",
      "slice_count": 2,
      "slices": " |เทพอักษร|",
      "edit_duration": 8.931,
      "isForceout": false
    },
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