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      "message_received": "(อาจารย์สุธาสินี) ทำไมเป็นอย่างนั้นล่ะ",
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      "slices": "(อาจารย์สุธาสินี) ทำไมเป็นอย่างนั้นล่ะ|",
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      "message_received": "ได้ยินครูนะ คราวที่แล้ว",
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      "slices": "ได้ยินครูนะ |คราวที่แล้ว|",
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      "message_received": "นะคะ เราพูดถึงในเรื่องของ",
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      "slices": "นะคะ| เราพูดถึงในเรื่องของ|",
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      "message_received": "เหมือนล่ามไม่ได้ยินเลย อ๋อ ค่ะ",
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      "slices": "เหมือนล่ามไม่ได้ยินเลย อ๋อ ค่ะ |",
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      "message_received": "คราวที่แล้วเราพูดถึงเรื่อง list นะ lis",
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      "slices": "คราวที่แล้วเราพูดถึงเรื่อง| list นะ list|",
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      "slices": " ตัวนี้|",
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      "message_received": "แล้วเราก็ทำข้อสอบไปแล้วนะคะ",
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      "slices": "แล้วเราก็ทำข้อสอบไปแล้วนะคะ |",
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      "message_received": "เรื่องลิสต์",
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      "slices": "เรื่องลิสต์|",
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      "message_received": "ได้ไหมคะ",
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      "slices": "ได้ไหมคะ |",
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      "message_received": "ได้ยินไหมคะ",
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      "slices": "ได้ยินไหมคะ |",
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      "message_received": "ยังไม่ได้ยิน",
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      "slices": "ยังไม่ได้ยิน|",
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      "message_received": "",
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      "message_received": "คราวที่แล้วนะคะ เราพูดถึงเรื่อง List ทุกคน",
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      "slices": "คราวที่แล้วนะคะ | เราพูดถึงเรื่อง List นะ 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",
      "slice_count": 1,
      "slices": "ลิสต์ตัวนี้มีขนาดเท่ากับเท่าไหร่|",
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      "message_received": "มีขนาดเท่าไหร่ ขนาด คือ",
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      "slices": "มีขนาดเท่าไหร่| ขนาด คือ|",
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      "message_id": 31,
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      "message_received": "มีจำนวนเท่าไร มี 5 คนอื่นมีเท่าไรคะ",
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      "slices": "มีจำนวนเท่าไร| มี 5 |คนอื่นมีเท่าไรคะ|",
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      "message_id": 32,
      "editor_id": 33,
      "message_received": "5 โอเค 5 นะคะ",
      "slice_count": 2,
      "slices": "5| โอเค 5 นะคะ |",
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    {
      "message_id": 33,
      "editor_id": 33,
      "message_received": "ลิสต์ที่เราเห็นในหน้าจอตรงนี้",
      "slice_count": 1,
      "slices": "ลิสต์ที่เราเห็นในหน้าจอตรงนี้|",
      "edit_duration": 5.599,
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    {
      "message_id": 34,
      "editor_id": 33,
      "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": 33,
      "message_received": "มี 1 มี 2 มี 3 มี 4",
      "slice_count": 1,
      "slices": "มี 1 มี 2 มี 3 มี 4|",
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    {
      "message_id": 36,
      "editor_id": 33,
      "message_received": "แล้วก็มี 5 มีทั้งหมด 5 ตัวนะคะ คราวนี้",
      "slice_count": 3,
      "slices": "แล้วก็มี 5 |มีทั้งหมด 5 ตัวนะคะ| คราวนี้|",
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    {
      "message_id": 37,
      "editor_id": 33,
      "message_received": "เรารู้ได้อย่างไรว่ามันคือลิสต์ เห็น",
      "slice_count": 2,
      "slices": "แล้วรู้ได้อย่างไรว่ามันคือลิสต์ |เห็น|",
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      "message_id": 38,
      "editor_id": 33,
      "message_received": "ก้ามปูเปิด-ก้ามปูปิดไหมคะ",
      "slice_count": 1,
      "slices": "ก้ามปูเปิด-ก้ามปูปิดไหมคะ |",
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      "message_id": 39,
      "editor_id": 33,
      "message_received": "เป็นสัญลักษณ์ที่บอกว่าการเก็บข้อมูลลักษณะ",
      "slice_count": 1,
      "slices": "เป็นสัญลักษณ์ที่บอกว่าการเก็บข้อมูลลักษณะ|",
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      "message_received": "แบบนี้มีชื่อเรียกว่า \"ลิสต์\" นะคะ",
      "slice_count": 2,
      "slices": "แบบนี้| มีชื่อเรียกว่า \"ลิสต์\" นะคะ |",
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      "editor_id": 33,
      "message_received": "จะเก็บค่าของข้อมูล",
      "slice_count": 1,
      "slices": "จะเก็บค่าของข้อมูล|",
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    {
      "message_id": 42,
      "editor_id": 33,
      "message_received": "ในลิสต์ index",
      "slice_count": 1,
      "slices": "ในลิสต์ index|",
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    {
      "message_id": 43,
      "editor_id": 33,
      "message_received": "ก็คือหมายเลขถูกไหมคะ ก็คือหมายเลขของข้อมูล",
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      "slices": "ก็คือหมายเลขถูกไหมคะ| คือหมายเลขของข้อมูลนี่|",
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      "message_id": 44,
      "editor_id": 33,
      "message_received": "เราเริ่มต้นที่หมายเลขอะไรเอ่ย",
      "slice_count": 1,
      "slices": "เราเริ่มต้นที่หมายเลขอะไรเอ่ย|",
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    {
      "message_id": 45,
      "editor_id": 33,
      "message_received": "พอเราวาดเป็นช่องใช่ไหมคะ",
      "slice_count": 1,
      "slices": "พอเราวาดเป็นช่องใช่ไหมคะ |",
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    {
      "message_id": 46,
      "editor_id": 33,
      "message_received": "ในลิสต์นี่ ถ้าเราลองวาด",
      "slice_count": 2,
      "slices": "ในลิสต์นี่| ถ้าเราลองวาด|",
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    {
      "message_id": 47,
      "editor_id": 33,
      "message_received": "การจัดเก็บนะ ก็จะเป็น 1",
      "slice_count": 2,
      "slices": "การจัดเก็บนะ| ก็จะเป็น 1|",
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      "message_id": 48,
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      "message_received": "",
      "slice_count": 0,
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    {
      "message_id": 49,
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      "message_received": "แล้วก็จะเก็บข้อมูลลงไปในช่องแบบนี้",
      "slice_count": 1,
      "slices": "แล้วก็จะเก็บข้อมูลลงไปในช่องแบบนี้|",
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      "message_id": -1,
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      "message_received": "",
      "slice_count": 1,
      "slices": "นะคะ|",
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      "message_id": 50,
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      "message_received": "หมายเลขช่องหรือว่า",
      "slice_count": 2,
      "slices": "หมายเลขช่อง| หรือว่า|",
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      "message_id": 51,
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      "message_received": "Index ตัวแรกเราจะเริ่มต้นที่ตรงไหน",
      "slice_count": 2,
      "slices": "Index ตัวแรก|เราจะเริ่มต้นที่ตรงไหนคะ|",
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      "message_id": 52,
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      "message_received": "ตรงนี้ index เราจะเริ่มที่เราไรเอ่ย",
      "slice_count": 1,
      "slices": "ตรงนี้ index เราจะเริ่มที่เราไหร่เอ่ย|",
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    {
      "message_id": 53,
      "editor_id": 33,
      "message_received": "0 นะ ใช่ไหมคะ",
      "slice_count": 1,
      "slices": "0 นะ ใช่ไหมคะ |",
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      "message_id": 54,
      "editor_id": 33,
      "message_received": "1 2 3 แล้วก็ 4",
      "slice_count": 1,
      "slices": "1 2 3 แล้วก็ 4|",
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    {
      "message_id": 55,
      "editor_id": 33,
      "message_received": "แล้วก็ 4 ก็คือหมายเลขช่อง ถ้าเราวาดรูปให้",
      "slice_count": 2,
      "slices": "แล้วก็ 4 ก็คือหมายเลขช่อง| ถ้าเราวาดรูปให้|",
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    {
      "message_id": 56,
      "editor_id": 33,
      "message_received": "เป็นรูปสี่เหลี่ยมในการจัดเก็บข้อมูล แล้วเวลาครูเข้าถึง",
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      "slices": "เป็นรูปสี่เหลี่ยมในการจัดเก็บข้อมูล| แล้วเวลาครูเข้าถึง|",
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    {
      "message_id": 57,
      "editor_id": 33,
      "message_received": "ข้อมูลที่อยู่ในลิสต์ ตอนนี้",
      "slice_count": 2,
      "slices": "ข้อมูลที่อยู่ในลิสต์| ตอนนี้|",
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    {
      "message_id": 58,
      "editor_id": 33,
      "message_received": "ครูตั้งชื่อลิสต์ตัวนี้มีชื่อว่า x",
      "slice_count": 1,
      "slices": "ครูตั้งชื่อลิสต์ตัวนี้มีชื่อว่า x|",
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    {
      "message_id": 59,
      "editor_id": 33,
      "message_received": "x index 3",
      "slice_count": 1,
      "slices": "x index 3|",
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    {
      "message_id": 60,
      "editor_id": 33,
      "message_received": "ตอบเท่ากับเท่าไรเอ่ย index",
      "slice_count": 2,
      "slices": "ตอบเท่ากับเท่าไรเอ่ย| index|",
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    {
      "message_id": 61,
      "editor_id": 33,
      "message_received": "เป็น 3 ตัวนี้ตอบ 4 ใช่",
      "slice_count": 3,
      "slices": "เป็น 3 |ตัวนี้ตอบ 4 |ใช่|",
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    {
      "message_id": 62,
      "editor_id": 33,
      "message_received": "ตรงนี้ต้องตอบว่า 4 นะคะ ทุกคนจำได้นะ",
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      "slices": "ตรงนี้ต้องตอบว่า 4 นะคะ |ทุกคนจำได้นะ|",
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    {
      "message_id": 63,
      "editor_id": 33,
      "message_received": "แล้วถ้า x",
      "slice_count": 1,
      "slices": "แล้วถ้า x|",
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    {
      "message_id": 64,
      "editor_id": 33,
      "message_received": "เราต้องการหลาย ๆ ค่า 2 จนถึง 4",
      "slice_count": 2,
      "slices": "เราต้องการหลาย ๆ ค่า| 2 จนถึง 4|",
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    {
      "message_id": 65,
      "editor_id": 33,
      "message_received": "จะตอบเท่าหับเท่าไหร่คะ",
      "slice_count": 1,
      "slices": "จะตอบเท่ากับเท่าไหร่คะ|",
      "edit_duration": 4.77,
      "isForceout": false
    },
    {
      "message_id": 66,
      "editor_id": 33,
      "message_received": "3 กับ...",
      "slice_count": 1,
      "slices": "3 กับ...|",
      "edit_duration": 4.616,
      "isForceout": false
    },
    {
      "message_id": 67,
      "editor_id": 33,
      "message_received": "3 กับอะไรเอ่ย 4 ใช่ไหม",
      "slice_count": 2,
      "slices": "3 กับอะไรเอ่ย| 4 ใช่ไหม|",
      "edit_duration": 3.302,
      "isForceout": false
    },
    {
      "message_id": 68,
      "editor_id": 33,
      "message_received": "ใช่ไหม คือ 3 กับ 4 นะ มันเริ่มต้นที่ 2 ใช่ไหมคะ ก็คือ",
      "slice_count": 3,
      "slices": "คือ 3 กับ 4 นะ |มันเริ่มต้นที่ 2 ใช่ไหมคะ |ก็คือ|",
      "edit_duration": 7.59,
      "isForceout": false
    },
    {
      "message_id": 69,
      "editor_id": 33,
      "message_received": "เริ่มต้นที่ 2 ก็คือเริ่มต้ด้วยตัว",
      "slice_count": 2,
      "slices": "เริ่มต้นที่ 2| ก็คือเริ่มต้นด้วยตัว 3|",
      "edit_duration": 6.822,
      "isForceout": false
    },
    {
      "message_id": 70,
      "editor_id": 33,
      "message_received": "ถึง 4 แล้วก็ลดลงมา 1 ช่อง ก็จะได้ข้อมูลตัวนี้",
      "slice_count": 3,
      "slices": "ถึง 4 |แล้วก็ลดลงมา 1 ช่อง| ก็จะได้ข้อมูลตัวนี้|",
      "edit_duration": 9.523,
      "isForceout": false
    },
    {
      "message_id": 71,
      "editor_id": 33,
      "message_received": "ก็คือ 3 กับ 4",
      "slice_count": 1,
      "slices": "ก็คือ 3 กับ 4|",
      "edit_duration": 9.572,
      "isForceout": false
    },
    {
      "message_id": 72,
      "editor_id": 33,
      "message_received": "คราวนี้ แล้วเราเอาลิสต์",
      "slice_count": 2,
      "slices": "คราวนี้| แล้วเราเอาลิสต์|",
      "edit_duration": 6.534,
      "isForceout": false
    },
    {
      "message_id": 73,
      "editor_id": 33,
      "message_received": "มาทำอะไรนะคะ เราเก็บข้อมูล",
      "slice_count": 2,
      "slices": "มาทำอะไรนะคะ |เราเก็บข้อมูล|",
      "edit_duration": 4.102,
      "isForceout": false
    },
    {
      "message_id": 74,
      "editor_id": 33,
      "message_received": "รูปแบบลิสต์ แล้วเราเอามาใช้ทำอะไรนะคะ",
      "slice_count": 2,
      "slices": "รูปแบบลิสต์ |แล้วเราเอามาใช้ทำอะไรนะคะ |",
      "edit_duration": 1.769,
      "isForceout": false
    },
    {
      "message_id": 75,
      "editor_id": 33,
      "message_received": "วันนี้เราจะพูดถึงโครงสร้างอีกแบบหนึ่ง",
      "slice_count": 1,
      "slices": "วันนี้เราจะพูดถึงโครงสร้างอีกแบบหนึ่ง|",
      "edit_duration": 2.895,
      "isForceout": false
    },
    {
      "message_id": 76,
      "editor_id": 33,
      "message_received": "ที่มีชื่อว่า stack นะ",
      "slice_count": 1,
      "slices": "ที่มีชื่อว่า stack นะ|",
      "edit_duration": 2.592,
      "isForceout": false
    },
    {
      "message_id": 77,
      "editor_id": 33,
      "message_received": "สแตกนะคะ สแตกตัวนี้",
      "slice_count": 2,
      "slices": "Stack นะคะ| Stack ตัวนี้|",
      "edit_duration": 7.459,
      "isForceout": false
    },
    {
      "message_id": 78,
      "editor_id": 33,
      "message_received": "จะใช้วิธีการเก็บข้อมูลแบบลิสต์",
      "slice_count": 1,
      "slices": "จะใช้วิธีการเก็บข้อมูลแบบลิสต์|",
      "edit_duration": 12.766,
      "isForceout": false
    },
    {
      "message_id": 79,
      "editor_id": 33,
      "message_received": "นะคะ แล้วลักษณะแบบไหน",
      "slice_count": 2,
      "slices": "นะคะ |แล้วลักษณะแบบไหน|",
      "edit_duration": 9.766,
      "isForceout": false
    },
    {
      "message_id": 80,
      "editor_id": 33,
      "message_received": "ที่เราจะเรียกว่า \"stack\" นะคะ ดูด้วยกัน",
      "slice_count": 2,
      "slices": "ที่เราจะเรียกว่า \"stack\" นะคะ| มาดูด้วยกัน|",
      "edit_duration": 8.014,
      "isForceout": false
    },
    {
      "message_id": 81,
      "editor_id": 33,
      "message_received": "เขาบอกว่า Stack",
      "slice_count": 1,
      "slices": "เขาบอกว่า Stack|",
      "edit_duration": 9.704,
      "isForceout": false
    },
    {
      "message_id": 82,
      "editor_id": 33,
      "message_received": "ก็คือการที่เราใส่ข้อมูลเข้าไปแล้วก็ดึงออกมา",
      "slice_count": 2,
      "slices": "ก็คือการที่เราใส่ข้อมูลเข้าไป|แล้วก็ดึงออกมา|",
      "edit_duration": 8.07,
      "isForceout": false
    },
    {
      "message_id": 83,
      "editor_id": 33,
      "message_received": "นะคะ แล้วข้อมูล",
      "slice_count": 2,
      "slices": "นะคะ| แล้วข้อมูล|",
      "edit_duration": 5.702,
      "isForceout": false
    },
    {
      "message_id": 84,
      "editor_id": 33,
      "message_received": "ที่ถูกใส่เข้าไปใน Stack จะถูก",
      "slice_count": 2,
      "slices": "ที่ถูกใส่เข้าไปใน Stack ก่อน |จะถูก|",
      "edit_duration": 6.509,
      "isForceout": false
    },
    {
      "message_id": 85,
      "editor_id": 33,
      "message_received": "เอาออกมาใช้ทีหลัง อันนี้ คือ",
      "slice_count": 2,
      "slices": "เอาออกมาใช้ทีหลัง| อันนี้ คือ|",
      "edit_duration": 4.965,
      "isForceout": false
    },
    {
      "message_id": 86,
      "editor_id": 33,
      "message_received": "วิธีการเก็บข้อมูลแบบ stack หรือที่เรียกว่า",
      "slice_count": 2,
      "slices": "วิธีการเก็บข้อมูลแบบ stack |หรือที่เรียกสั้น ๆ ว่า|",
      "edit_duration": 2.732,
      "isForceout": false
    },
    {
      "message_id": 87,
      "editor_id": 33,
      "message_received": "เข้าทีหลังออกก่อน",
      "slice_count": 1,
      "slices": "เข้าทีหลังออกก่อน|",
      "edit_duration": 10.578,
      "isForceout": false
    },
    {
      "message_id": 88,
      "editor_id": 33,
      "message_received": "เข้าก่อนออกทีหลัง ความหมายเหมือนกัน",
      "slice_count": 2,
      "slices": "เข้าก่อนออกทีหลัง| ความหมายเหมือนกัน|",
      "edit_duration": 8.125,
      "isForceout": false
    },
    {
      "message_id": 89,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 90,
      "editor_id": 33,
      "message_received": "ยกตัวอย่างเช่น ทุกคนเคย",
      "slice_count": 2,
      "slices": "ยกตัวอย่างเช่น |ทุกคนเคย|",
      "edit_duration": 2.095,
      "isForceout": false
    },
    {
      "message_id": 91,
      "editor_id": 33,
      "message_received": "ไปที่ร้านก๋วยเตี๋ยวไหมคะ ทุกคนเคยไปที่ร้านก๋วยเตี๋ยวนะ",
      "slice_count": 2,
      "slices": "ไปที่ร้านก๋วยเตี๋ยวไหมคะ| ทุกคนเคยไปที่ร้านก๋วยเตี๋ยวนะ|",
      "edit_duration": 1.446,
      "isForceout": false
    },
    {
      "message_id": 92,
      "editor_id": 33,
      "message_received": "แล้วเห็นถ้วยก๋วยเตี๋ยวก่อนที่เขาจะ",
      "slice_count": 2,
      "slices": "แล้วเห็นถ้วยก๋วยเตี๋ยว|ก่อนที่เขาจะ|",
      "edit_duration": 4.496,
      "isForceout": false
    },
    {
      "message_id": 93,
      "editor_id": 33,
      "message_received": "เอามาใส่เส้น ใส่เครื่องปรุง ใส่หมูให้เรา",
      "slice_count": 3,
      "slices": "เอามาใส่เส้น| ใส่เครื่องปรุง |ใส่หมูให้เรา|",
      "edit_duration": 2.301,
      "isForceout": false
    },
    {
      "message_id": 94,
      "editor_id": 33,
      "message_received": "ชามก๋วยเตี๋ยวมันเรียงขึ้นไปแบบนี้",
      "slice_count": 1,
      "slices": "ชามก๋วยเตี๋ยวมันเรียงขึ้นไปแบบนี้|",
      "edit_duration": 3.44,
      "isForceout": false
    },
    {
      "message_id": 95,
      "editor_id": 33,
      "message_received": "ใช่ไหมคะ เวลาแม่ค้าเขาจะเอาจามก๋วยเตี๋ยวมาใส่ให้เรา",
      "slice_count": 3,
      "slices": "ใช่ไหมคะ| เวลาแม่ค้าเขาจะเอาชามก๋วยเตี๋ยว|มาใส่ให้เรา|",
      "edit_duration": 0.894,
      "isForceout": false
    },
    {
      "message_id": 96,
      "editor_id": 33,
      "message_received": "เขาจะเอาชามก๋วยเตี๋ยวมาใส่ให้เรา เขาเอาชามที่อยู่",
      "slice_count": 1,
      "slices": "เขาเอาชามที่อยู่|",
      "edit_duration": 14.744,
      "isForceout": false
    },
    {
      "message_id": 97,
      "editor_id": 33,
      "message_received": "ข้างบน หรือชามที่อยู่ข้างล่าง",
      "slice_count": 2,
      "slices": "ข้างบน| หรือชามที่อยู่ข้างล่าง|",
      "edit_duration": 10.743,
      "isForceout": false
    },
    {
      "message_id": 98,
      "editor_id": 33,
      "message_received": "เอาชามข้างบนหรือข้างล่างคะ ข้างบน",
      "slice_count": 2,
      "slices": "เอาชามข้างบนหรือข้างล่างคะ| ข้างบน|",
      "edit_duration": 8.983,
      "isForceout": false
    },
    {
      "message_id": 99,
      "editor_id": 33,
      "message_received": "เขาเอาข้างบนมาทำให้เรา",
      "slice_count": 1,
      "slices": "เขาเอาข้างบนมาทำให้เรา|",
      "edit_duration": 7.362,
      "isForceout": false
    },
    {
      "message_id": 100,
      "editor_id": 33,
      "message_received": "แล้วเวลาเขาล้างจานเสร็จแล้วนี่ เอาจาน",
      "slice_count": 2,
      "slices": "แล้วเวลาเขาล้างจานเสร็จแล้วนี่| เอาจาน|",
      "edit_duration": 5.254,
      "isForceout": false
    },
    {
      "message_id": 101,
      "editor_id": 33,
      "message_received": "มาซ้อนข้างล่างหรือซ้อนข้างบน ซ้อนข้างบน",
      "slice_count": 2,
      "slices": "มาซ้อนข้างล่างหรือซ้อนข้างบน |ซ้อนข้างบน|",
      "edit_duration": 4.252,
      "isForceout": false
    },
    {
      "message_id": 102,
      "editor_id": 33,
      "message_received": "ใช่ไหมคะ เพราะฉะนั้น จานที่",
      "slice_count": 3,
      "slices": "ใช่ไหมคะ| เพราะฉะนั้น| จานที่|",
      "edit_duration": 2.325,
      "isForceout": false
    },
    {
      "message_id": 103,
      "editor_id": 33,
      "message_received": "อยู่บนสุดจะถูกเอาออกมาใช้ก่อน",
      "slice_count": 2,
      "slices": "อยู่บนสุด|จะถูกเอาออกมาใช้ก่อน|",
      "edit_duration": 2.912,
      "isForceout": false
    },
    {
      "message_id": 104,
      "editor_id": 33,
      "message_received": "และจากที่อยู่บนสุดนะคะ จะถูก",
      "slice_count": 2,
      "slices": "และจากที่อยู่บนสุดนะคะ |จะถูก|",
      "edit_duration": 2.771,
      "isForceout": false
    },
    {
      "message_id": 105,
      "editor_id": 33,
      "message_received": "เอาเข้ามาเก็บทีหลัง อันนี้คือรูปแบบ",
      "slice_count": 2,
      "slices": "เอาเข้ามาเก็บทีหลัง| อันนี้คือรูปแบบ|",
      "edit_duration": 1.91,
      "isForceout": false
    },
    {
      "message_id": 106,
      "editor_id": 33,
      "message_received": "ของ Stack เช่นนะคะ เช่น ๆ",
      "slice_count": 3,
      "slices": "ของ Stack |เช่นนะคะ| เช่น ๆ |",
      "edit_duration": 1.172,
      "isForceout": false
    },
    {
      "message_id": 107,
      "editor_id": 33,
      "message_received": "เช่น สมมติ ครูมีกระดาษ 1 แผ่นนะ",
      "slice_count": 1,
      "slices": " สมมติ ครูมีกระดาษ 1 แผ่นนะ|",
      "edit_duration": 6.792,
      "isForceout": false
    },
    {
      "message_id": 108,
      "editor_id": 33,
      "message_received": "ครูมีกระดาษอยู่ 1 แผ่น ทุกคนดูนะคะ",
      "slice_count": 2,
      "slices": "ครูมีกระดาษอยู่ 1 แผ่น| ทุกคนดูนะคะ |",
      "edit_duration": 3.984,
      "isForceout": false
    },
    {
      "message_id": 109,
      "editor_id": 33,
      "message_received": "ครูจะใส่กระดาษแผ่นที่ 2",
      "slice_count": 1,
      "slices": "ครูจะใส่กระดาษแผ่นที่ 2|",
      "edit_duration": 2.509,
      "isForceout": false
    },
    {
      "message_id": 110,
      "editor_id": 33,
      "message_received": "เห็นไหมคะ ครูซ่อนกระดาษแผ่นที่ 2 อยู่ข้างบน",
      "slice_count": 2,
      "slices": "เห็นไหมคะ |ครูซ้อนกระดาษแผ่นที่ 2 อยู่ข้างบน|",
      "edit_duration": 0.694,
      "isForceout": false
    },
    {
      "message_id": 111,
      "editor_id": 33,
      "message_received": "ครูใส่ ครูใส่กระดาษ",
      "slice_count": 2,
      "slices": "ครูใส่| ครูใส่กระดาษ|",
      "edit_duration": 4.366,
      "isForceout": false
    },
    {
      "message_id": 112,
      "editor_id": 33,
      "message_received": "แผ่นที่ 3 เข้าไปนะคะ แล้วครูก็ใส่",
      "slice_count": 3,
      "slices": "แผ่นที่ 3| เข้าไปนะคะ |แล้วครูก็ใส่|",
      "edit_duration": 2.086,
      "isForceout": false
    },
    {
      "message_id": 113,
      "editor_id": 33,
      "message_received": "กระดาษแผ่นที่ 4 เข้าไปในมือครู เวลา",
      "slice_count": 3,
      "slices": "กระดาษแผ่นที่ 4 |เข้าไปในมือครู |เวลา|",
      "edit_duration": 2.08,
      "isForceout": false
    },
    {
      "message_id": 114,
      "editor_id": 33,
      "message_received": "ครูจะเอาออกมาใช้ครูจะเอาตัวล่างสุดหรือตัวบนสุดออกมาใช้",
      "slice_count": 3,
      "slices": "ครูจะเอาออกมาใช้|ครูจะเอาตัวล่างสุด|หรือตัวบนสุดออกไปใช้|",
      "edit_duration": 1.608,
      "isForceout": false
    },
    {
      "message_id": 115,
      "editor_id": 33,
      "message_received": "ตัวบนสุดถูกไหมคะ",
      "slice_count": 1,
      "slices": "ตัวบนสุดถูกไหมคะ |",
      "edit_duration": 6.597,
      "isForceout": false
    },
    {
      "message_id": 116,
      "editor_id": 33,
      "message_received": "ครูไม่พยายามจะดึงตัวล่างสุดออกมานะคะ ครูจะหยิบตัวบน",
      "slice_count": 2,
      "slices": "ครูไม่พยายามจะดึงตัวล่างสุดออกมานะคะ| แต่ครูจะหยิบตัวบน|",
      "edit_duration": 4.344,
      "isForceout": false
    },
    {
      "message_id": 117,
      "editor_id": 33,
      "message_received": "สุดอกไปใช้ ซึ่งตัวบนสุดนี่",
      "slice_count": 2,
      "slices": "สุดอกไปใช้ |ซึ่งตัวบนสุดนี่|",
      "edit_duration": 6.145,
      "isForceout": false
    },
    {
      "message_id": 118,
      "editor_id": 33,
      "message_received": "คือ กระดาษแผ่นที่เราใส่ไปล่าสุดนะคะ",
      "slice_count": 1,
      "slices": "คือ กระดาษแผ่นที่เราใส่ไปล่าสุดนะคะ |",
      "edit_duration": 5.054,
      "isForceout": false
    },
    {
      "message_id": 119,
      "editor_id": 33,
      "message_received": "เ",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 120,
      "editor_id": 33,
      "message_received": "เราสามารถสรุปได้แบบนี้นะ ข้อมูลที่อยู่ใน Stack",
      "slice_count": 2,
      "slices": "เราสามารถสรุปได้แบบนี้นะ| ข้อมูลที่เข้ามาอยู่ใน Stack|",
      "edit_duration": 1.319,
      "isForceout": false
    },
    {
      "message_id": 121,
      "editor_id": 33,
      "message_received": "ตัวแรกจะอยู่ด้านล่างสุด ข",
      "slice_count": 2,
      "slices": "ตัวแรก|จะอยู่ด้านล่างสุด|",
      "edit_duration": 8.899,
      "isForceout": false
    },
    {
      "message_id": 122,
      "editor_id": 33,
      "message_received": "ข้อมูลที่หย่อนลงไปใน Stack ตัวแรกจะอยู่ด้านล่างสุดเลย",
      "slice_count": 2,
      "slices": "ข้อมูลที่หย่อนลงไปใน Stack |ตัวแรกจะอยู่ด้านล่างสุดเลย|",
      "edit_duration": 10.93,
      "isForceout": false
    },
    {
      "message_id": 123,
      "editor_id": 33,
      "message_received": "นะคะ ตัวถัดไปก็จะซ้อนขึ้นมา",
      "slice_count": 2,
      "slices": "นะคะ| ตัวถัดไปก็จะซ้อนขึ้นมา|",
      "edit_duration": 9.446,
      "isForceout": false
    },
    {
      "message_id": 124,
      "editor_id": 33,
      "message_received": "เรื่อย ๆ ข้อมูลที่",
      "slice_count": 2,
      "slices": "เรื่อย ๆ |ข้อมูลที่|",
      "edit_duration": 8.772,
      "isForceout": false
    },
    {
      "message_id": 125,
      "editor_id": 33,
      "message_received": "เข้าไปใน Stack เป็นตัวสุดท้าย",
      "slice_count": 2,
      "slices": "เข้าไปใน Stack| เป็นตัวสุดท้าย|",
      "edit_duration": 7.394,
      "isForceout": false
    },
    {
      "message_id": 126,
      "editor_id": 33,
      "message_received": "นะคะ จะอยู่บนสุด แล้วเวลา",
      "slice_count": 3,
      "slices": "นะคะ| จะอยู่บนสุด| แล้วเวลา|",
      "edit_duration": 5.601,
      "isForceout": false
    },
    {
      "message_id": 127,
      "editor_id": 33,
      "message_received": "เราเอาข้อมูลใน Stack ออกมาใช้งาน",
      "slice_count": 1,
      "slices": "เราเอาข้อมูลใน Stack ออกมาใช้งาน|",
      "edit_duration": 6.072,
      "isForceout": false
    },
    {
      "message_id": 128,
      "editor_id": 33,
      "message_received": "ข้อมูลที่เข้าไปเป็นตัวล่าสุด",
      "slice_count": 1,
      "slices": "ข้อมูลที่เข้าไปเป็นตัวล่าสุด|",
      "edit_duration": 3.511,
      "isForceout": false
    },
    {
      "message_id": 129,
      "editor_id": 33,
      "message_received": "หรือตัวลำดับสุดท้าย  จะถูก",
      "slice_count": 2,
      "slices": "หรือตัวลำดับสุดท้าย | จะถูก|",
      "edit_duration": 0.866,
      "isForceout": false
    },
    {
      "message_id": 130,
      "editor_id": 33,
      "message_received": "ดึงออกมาใช้งานก่อน ตัวไหน",
      "slice_count": 2,
      "slices": "ดึงออกมาใช้งานก่อน| ตัวไหน|",
      "edit_duration": 1.094,
      "isForceout": false
    },
    {
      "message_id": 131,
      "editor_id": 33,
      "message_received": "ที่เข้าไปตัวแรกจะถูกเอามาใช้งาน",
      "slice_count": 2,
      "slices": "ที่เข้าไปตัวแรก|จะถูกเอามาใช้งาน|",
      "edit_duration": 0.998,
      "isForceout": false
    },
    {
      "message_id": 132,
      "editor_id": 33,
      "message_received": "เป็นตัวสุดท้ายนะคะ เพราะมันอยู่ล่างสุด",
      "slice_count": 2,
      "slices": "เป็นตัวสุดท้ายนะคะ |เพราะมันอยู่ล่างสุด|",
      "edit_duration": 1.489,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " เวลาดึงออกมาใช้|",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 133,
      "editor_id": 33,
      "message_received": "มันก็ใช้ยาก เราต้องใช้ตัวบน ค่อย ๆ ดึงตัวบน",
      "slice_count": 3,
      "slices": "มันก็ใช้ยาก| เราต้องใช้ตัวบน| ค่อย ๆ ดึงตัวบน|",
      "edit_duration": 9.182,
      "isForceout": false
    },
    {
      "message_id": 134,
      "editor_id": 33,
      "message_received": "ออกไปก่อน",
      "slice_count": 1,
      "slices": "ออกไปก่อน|",
      "edit_duration": 10.19,
      "isForceout": false
    },
    {
      "message_id": 135,
      "editor_id": 33,
      "message_received": "คราวนี้เวลาเราเอาข้อมูลใส่ใน Stack",
      "slice_count": 1,
      "slices": "คราวนี้เวลาเราเอาข้อมูลใส่ใน Stack|",
      "edit_duration": 7.838,
      "isForceout": false
    },
    {
      "message_id": 136,
      "editor_id": 33,
      "message_received": "เราพูดถึง Stack ก็เหมือนภาชนะนะ Stack",
      "slice_count": 2,
      "slices": "เราพูดถึง Stack ก็เหมือนภาชนะนะ |Stack|",
      "edit_duration": 7.094,
      "isForceout": false
    },
    {
      "message_id": 137,
      "editor_id": 33,
      "message_received": "เป็นช่องแบบนี้ เป็นช่องสี่เหลี่ย",
      "slice_count": 2,
      "slices": "เป็นช่องแบบนี้ |เป็นช่องสี่เหลี่ยม|",
      "edit_duration": 3.935,
      "isForceout": false
    },
    {
      "message_id": 138,
      "editor_id": 33,
      "message_received": "ในแนวตั้ง ถ้าเราพูดถึง Stack นะ",
      "slice_count": 2,
      "slices": "เป็นช่องในแนวตั้ง| ถ้าเราพูดถึง Stack นะ|",
      "edit_duration": 11.304,
      "isForceout": false
    },
    {
      "message_id": 139,
      "editor_id": 33,
      "message_received": "ดูรูปนี้ก่อน อย่างนี้ มันจะอยู่ในแนวนอนหรือแนวตั้งก็ได้",
      "slice_count": 3,
      "slices": "ดูรูปนี้ก่อน |อย่างนี้ |มันจะอยู่ในแนวนอนหรือแนวตั้งก็ได้|",
      "edit_duration": 9.432,
      "isForceout": false
    },
    {
      "message_id": 140,
      "editor_id": 33,
      "message_received": "มันจะอยู่ในแนวนอนหรือแนวตั้งก็ได้",
      "slice_count": 1,
      "slices": "มันจะอยู่ในแนวนอนหรือแนวตั้งก็ได้|",
      "edit_duration": 8.96,
      "isForceout": false
    },
    {
      "message_id": 141,
      "editor_id": 33,
      "message_received": "ถ้าพูดถึง Stack ก้คือเป็นชั้น ๆ",
      "slice_count": 1,
      "slices": "ถ้าพูดถึง Stack ก็คือเป็นชั้น ๆ |",
      "edit_duration": 9.545,
      "isForceout": false
    },
    {
      "message_id": 142,
      "editor_id": 33,
      "message_received": "เลื่อนขึ้นไปเรื่อย ๆ นะคะ ใน Stack",
      "slice_count": 2,
      "slices": "เลื่อนขึ้นไปเรื่อย ๆ นะคะ |ใน Stack|",
      "edit_duration": 6.743,
      "isForceout": false
    },
    {
      "message_id": 143,
      "editor_id": 33,
      "message_received": "เราทำอะไรได้บ้าง เราใส่ข้อมูลลงไป",
      "slice_count": 2,
      "slices": "เราทำอะไรได้บ้าง| เราใส่ข้อมูลลงไป|",
      "edit_duration": 3.982,
      "isForceout": false
    },
    {
      "message_id": 144,
      "editor_id": 33,
      "message_received": "เราดึงข้อมูลออกมา คราวนี้",
      "slice_count": 2,
      "slices": "เราดึงข้อมูลออกมา| คราวนี้|",
      "edit_duration": 2.192,
      "isForceout": false
    },
    {
      "message_id": 145,
      "editor_id": 33,
      "message_received": "stackถ้ามันไม่มีข้อมูลอะไรเลย",
      "slice_count": 1,
      "slices": "stack ถ้ามันไม่มีข้อมูลอะไรเลย|",
      "edit_duration": 5.619,
      "isForceout": false
    },
    {
      "message_id": 146,
      "editor_id": 33,
      "message_received": "เราเรียกว่า \"Stack ว่าง\" คือ มันมีค่าว่าง ๆ",
      "slice_count": 2,
      "slices": "เราเรียกว่า \"Stack ว่าง\"| คือ มันมีค่าว่าง ๆ |",
      "edit_duration": 3.114,
      "isForceout": false
    },
    {
      "message_id": 147,
      "editor_id": 33,
      "message_received": "ไม่มีตัวอักษรอะไรเลยนะ อันนี้",
      "slice_count": 2,
      "slices": "ไม่มีตัวอักษรอะไรเลยนะ| อันนี้จะเรียกว่า|",
      "edit_duration": 2.734,
      "isForceout": false
    },
    {
      "message_id": 148,
      "editor_id": 33,
      "message_received": "คือ Stack ว่าง",
      "slice_count": 1,
      "slices": "คือ Stack ว่าง|",
      "edit_duration": 9.177,
      "isForceout": false
    },
    {
      "message_id": 149,
      "editor_id": 33,
      "message_received": "ถ้าเราจะใส่ข้อมูลลงไปใน Stack",
      "slice_count": 1,
      "slices": "ถ้าเราจะใส่ข้อมูลลงไปใน Stack|",
      "edit_duration": 6.768,
      "isForceout": false
    },
    {
      "message_id": 150,
      "editor_id": 33,
      "message_received": "เราจะมีคำสั่งที่ชื่อว่า Push",
      "slice_count": 1,
      "slices": "เราจะมีคำสั่งที่ชื่อว่า Push|",
      "edit_duration": 4.587,
      "isForceout": false
    },
    {
      "message_id": 151,
      "editor_id": 33,
      "message_received": "คือคำสั่งตัวนี้นะคะ",
      "slice_count": 1,
      "slices": "คือคำสั่งตัวนี้นะคะ |",
      "edit_duration": 1.606,
      "isForceout": false
    },
    {
      "message_id": 152,
      "editor_id": 33,
      "message_received": "คำสั่ง Push ก็คือใส่",
      "slice_count": 2,
      "slices": "คำสั่ง Push |ก็คือใส่|",
      "edit_duration": 2.498,
      "isForceout": false
    },
    {
      "message_id": 153,
      "editor_id": 33,
      "message_received": "ข้อมูลลงไปใน Stack ถ้าต้องการเอา",
      "slice_count": 2,
      "slices": "ข้อมูลลงไปใน Stack |ถ้าต้องการเอา|",
      "edit_duration": 1.515,
      "isForceout": false
    },
    {
      "message_id": 154,
      "editor_id": 33,
      "message_received": "ข้อมูลออกจาก Stack เราใช้คำสั่ง Pop นะคะ",
      "slice_count": 2,
      "slices": "ข้อมูลออกจาก Stack |เราใช้คำสั่ง Pop นะคะ |",
      "edit_duration": 1.219,
      "isForceout": false
    },
    {
      "message_id": 155,
      "editor_id": 33,
      "message_received": "มีอยู่ 2 ตัวที่ทุกคนต้องรู้จัก",
      "slice_count": 1,
      "slices": "มีอยู่ 2 ตัวที่ทุกคนต้องรู้จัก|",
      "edit_duration": 2.966,
      "isForceout": false
    },
    {
      "message_id": 156,
      "editor_id": 33,
      "message_received": "เมื่อพูดถึง Stack คือ Push กับ Pop",
      "slice_count": 2,
      "slices": "เมื่อพูดถึง Stack |คือ Push กับ Pop|",
      "edit_duration": 0.689,
      "isForceout": false
    },
    {
      "message_id": 157,
      "editor_id": 33,
      "message_received": "Push คือใส่ ก็คือเอ",
      "slice_count": 1,
      "slices": " Push คือใส่ ถูกไหม ก็คือเอาข้อมูลเข้า|",
      "edit_duration": 16.024,
      "isForceout": true
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": "ไปเก็บ|",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 158,
      "editor_id": 33,
      "message_received": "ส่วน Pop ก็คือเอาออกนะคะ Pop คือ เอาออก",
      "slice_count": 1,
      "slices": "ส่วน Pop ก็คือเอาออกนะคะ Pop คือ เอาออก|",
      "edit_duration": 16.015,
      "isForceout": true
    },
    {
      "message_id": 159,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 160,
      "editor_id": 33,
      "message_received": "คราวนี้มาดูตัวอย่างนะคะ มีแต่ Push กับ Pop",
      "slice_count": 2,
      "slices": "คราวนี้มาดูตัวอย่างนะคะ| มีแต่ Push กับ Pop|",
      "edit_duration": 11.103,
      "isForceout": false
    },
    {
      "message_id": 161,
      "editor_id": 33,
      "message_received": "2 ตัว เราเริ่มต้น Stack ไม่มีอะไรเลย",
      "slice_count": 2,
      "slices": "2 ตัว| เราเริ่มต้น Stack ไม่มีอะไรเลย|",
      "edit_duration": 9.68,
      "isForceout": false
    },
    {
      "message_id": 162,
      "editor_id": 33,
      "message_received": "เป็นค่าว่าง ๆ ถูกไหมคะ เป็น Stack ว่าง",
      "slice_count": 2,
      "slices": "เป็นค่าว่าง ๆ ถูกไหมคะ |เป็น Stack ว่าง|",
      "edit_duration": 8.352,
      "isForceout": false
    },
    {
      "message_id": 163,
      "editor_id": 33,
      "message_received": "ครูบอกว่าครู Push",
      "slice_count": 1,
      "slices": "ครูบอกว่าครู Push|",
      "edit_duration": 5.569,
      "isForceout": false
    },
    {
      "message_id": 164,
      "editor_id": 33,
      "message_received": "คำสั่ง Push Push ค่าอะไร ค่า a เมื่อไรก็ตาม",
      "slice_count": 4,
      "slices": "คำสั่ง Push |Push ค่าอะไร |ค่า a |เมื่อไรก็ตาม|",
      "edit_duration": 4.123,
      "isForceout": false
    },
    {
      "message_id": 165,
      "editor_id": 33,
      "message_received": "ที่ใช้คำสั่ง Push ต้องบอกด",
      "slice_count": 2,
      "slices": "ที่ใช้คำสั่ง Push |ต้องบอกด้วยว่า|",
      "edit_duration": 5.364,
      "isForceout": false
    },
    {
      "message_id": 166,
      "editor_id": 33,
      "message_received": "จะใส่ค่าอะไรด้วยนะคะ",
      "slice_count": 1,
      "slices": "จะใส่ค่าอะไรด้วยนะคะ |",
      "edit_duration": 8.665,
      "isForceout": false
    },
    {
      "message_id": 167,
      "editor_id": 33,
      "message_received": "เรา Push ค่า a ลงไป",
      "slice_count": 1,
      "slices": "เรา Push ค่า a ลงไป|",
      "edit_duration": 6.152,
      "isForceout": false
    },
    {
      "message_id": 168,
      "editor_id": 33,
      "message_received": "เห็นไหม มันก็อยู่ด้านล่างสุดนะคะ ถัดมา",
      "slice_count": 3,
      "slices": "เห็นไหม| มันก็อยู่ด้านล่างสุดนะคะ| ถัดมา|",
      "edit_duration": 3.334,
      "isForceout": false
    },
    {
      "message_id": 169,
      "editor_id": 33,
      "message_received": "ถ้าครูใส่คำสั่ง",
      "slice_count": 1,
      "slices": " ถ้าครูใส่คำสั่ง|",
      "edit_duration": 5.426,
      "isForceout": false
    },
    {
      "message_id": 170,
      "editor_id": 33,
      "message_received": "ตัวบนก่อน Push b ก็ใส่ b ลงมาเห็นไหมคะ",
      "slice_count": 3,
      "slices": "ตัวบนก่อน |Push b ก็ใส่ b ลง|มาเห็นไหมคะ |",
      "edit_duration": 2.988,
      "isForceout": false
    },
    {
      "message_id": 171,
      "editor_id": 33,
      "message_received": "ถัดจาก a ก็คือ b Push c",
      "slice_count": 2,
      "slices": "ถัดจาก a |ก็คือ b Push c|",
      "edit_duration": 5.177,
      "isForceout": false
    },
    {
      "message_id": 172,
      "editor_id": 33,
      "message_received": "ก็อยู่ถัดขึ้นไป และ Push(D) อยู่",
      "slice_count": 3,
      "slices": "ก็อยู่ถัดขึ้นไป |และ Push(D) | D อยู่|",
      "edit_duration": 4.506,
      "isForceout": false
    },
    {
      "message_id": 173,
      "editor_id": 33,
      "message_received": "บนสุดนะคะ เรียงตรามลำดับของการ",
      "slice_count": 2,
      "slices": "บนสุดนะคะ| เรียงตรามลำดับของการ|",
      "edit_duration": 7.051,
      "isForceout": false
    },
    {
      "message_id": 174,
      "editor_id": 33,
      "message_received": "ใส่ข้อมูลเข้าไป",
      "slice_count": 1,
      "slices": "ใส่ข้อมูลเข้าไป|",
      "edit_duration": 5.6,
      "isForceout": false
    },
    {
      "message_id": 175,
      "editor_id": 33,
      "message_received": "คราวนี้อยากจะเอาออกบ้าง",
      "slice_count": 1,
      "slices": "คราวนี้อยากจะเอาออกบ้าง|",
      "edit_duration": 3.694,
      "isForceout": false
    },
    {
      "message_id": 176,
      "editor_id": 33,
      "message_received": "เอาข้อมูลออกจาก Stack ไปใช้งาน จะใช้คำสั่ง Pop",
      "slice_count": 2,
      "slices": "เอาข้อมูลออกจาก Stack ไปใช้งาน |จะใช้คำสั่ง Pop|",
      "edit_duration": 1.313,
      "isForceout": false
    },
    {
      "message_id": 177,
      "editor_id": 33,
      "message_received": "Pop นะ Pop",
      "slice_count": 2,
      "slices": "Pop นะ| Pop|",
      "edit_duration": 1.449,
      "isForceout": false
    },
    {
      "message_id": 178,
      "editor_id": 33,
      "message_received": "แล้วตามด้วยวงเล็บเปิดและวงเล็บปิด ไม่ต้องใส่ค่าอะไร",
      "slice_count": 3,
      "slices": "แล้วตามด้วยวงเล็บเปิด|และวงเล็บปิด |ไม่ต้องใส่ค่าอะไร|",
      "edit_duration": 1.77,
      "isForceout": false
    },
    {
      "message_id": 179,
      "editor_id": 33,
      "message_received": "เพราะเราจะไปดึงค่าที่อยู่ใน Stack ออกมา",
      "slice_count": 1,
      "slices": "เพราะเราจะไปดึงค่าที่อยู่ใน Stack ออกมา|",
      "edit_duration": 3.344,
      "isForceout": false
    },
    {
      "message_id": 180,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 181,
      "editor_id": 33,
      "message_received": "เราสั่งคำสั่ง Pop เราเอาข้อมูล",
      "slice_count": 2,
      "slices": "เราสั่งคำสั่ง Pop |เราเอาข้อมูล|",
      "edit_duration": 1.835,
      "isForceout": false
    },
    {
      "message_id": 182,
      "editor_id": 33,
      "message_received": "บนสุดนะคะ Pop ให้เอาข้อมูลบนสุด",
      "slice_count": 2,
      "slices": "บนสุดนะคะ| Pop ให้เอาข้อมูลบนสุด|",
      "edit_duration": 0.556,
      "isForceout": false
    },
    {
      "message_id": 183,
      "editor_id": 33,
      "message_received": "ที่อยู่ใน Stack ดึงออกมา",
      "slice_count": 2,
      "slices": "ที่อยู่ใน Stack |ดึงออกมา|",
      "edit_duration": 0.822,
      "isForceout": false
    },
    {
      "message_id": 184,
      "editor_id": 33,
      "message_received": "เพราะฉะนั้น เดิมเป็นแบบนี้ ถูกไหม",
      "slice_count": 2,
      "slices": "เพราะฉะนั้น เดิมเป็นแบบนี้ |ถูกไหม|",
      "edit_duration": 2.18,
      "isForceout": false
    },
    {
      "message_id": 185,
      "editor_id": 33,
      "message_received": "ครูใช้คำสั่ง Pop อะไรออกมาเอ่ย",
      "slice_count": 2,
      "slices": "ครูใช้คำสั่ง Pop |อะไรออกมาเอ่ย|",
      "edit_duration": 2.162,
      "isForceout": false
    },
    {
      "message_id": 186,
      "editor_id": 33,
      "message_received": "ตัว D Dog จะออกมา เพราะ D Dog",
      "slice_count": 2,
      "slices": "ตัว D Dog จะออกมา |เพราะว่า D Dog|",
      "edit_duration": 1.784,
      "isForceout": false
    },
    {
      "message_id": 187,
      "editor_id": 33,
      "message_received": "อยู่บนสุดนะคะ",
      "slice_count": 1,
      "slices": "อยู่บนสุดนะคะ |",
      "edit_duration": 4.39,
      "isForceout": false
    },
    {
      "message_id": 188,
      "editor_id": 33,
      "message_received": "ถัดมา",
      "slice_count": 1,
      "slices": "ถัดมา|",
      "edit_duration": 1.67,
      "isForceout": false
    },
    {
      "message_id": 189,
      "editor_id": 33,
      "message_received": "ครู Push คือใส่เข้าไป",
      "slice_count": 1,
      "slices": "ครู Push Push คือใส่เข้าไป|",
      "edit_duration": 6.374,
      "isForceout": false
    },
    {
      "message_id": 190,
      "editor_id": 33,
      "message_received": "ไม่มี D Dog แล้วนะ ครู Push e เห็นไหมคะ เวลา Push",
      "slice_count": 4,
      "slices": "ตอนนี้ไม่มี D Dog แล้วนะ |ครู Push e |เห็นไหมคะ |เวลา Push|",
      "edit_duration": 11.14,
      "isForceout": false
    },
    {
      "message_id": 191,
      "editor_id": 33,
      "message_received": "ต้องบอกด้วยว่าเราใส่ค่าอะไร",
      "slice_count": 1,
      "slices": "ต้องบอกด้วยว่าเราใส่ค่าอะไร|",
      "edit_duration": 12.327,
      "isForceout": false
    },
    {
      "message_id": 192,
      "editor_id": 33,
      "message_received": "แล้วก็ใส่ตัว e วงเล็บปิด ครู Push ค่า e ลงไป",
      "slice_count": 3,
      "slices": "แล้วก็ใส่ตัว e |วงเล็บปิด| ครู Push ค่า e ลงไป|",
      "edit_duration": 9.736,
      "isForceout": false
    },
    {
      "message_id": 193,
      "editor_id": 33,
      "message_received": "E จะอยู่ด้านบน C เสร็จแล้ว Push",
      "slice_count": 3,
      "slices": "E จะอยู่ด้านบน| C| เสร็จแล้ว Push|",
      "edit_duration": 10.72,
      "isForceout": false
    },
    {
      "message_id": 194,
      "editor_id": 33,
      "message_received": "อีกครั้งหนึ่ง f ก็จะอยู่บนสุดนะคะ",
      "slice_count": 2,
      "slices": "อีกครั้งหนึ่ง| f ก็จะอยู่บนสุดนะคะ |",
      "edit_duration": 11.042,
      "isForceout": false
    },
    {
      "message_id": 195,
      "editor_id": 33,
      "message_received": "ถัดมาครู Pop",
      "slice_count": 1,
      "slices": "ถัดมาครู Pop|",
      "edit_duration": 9.181,
      "isForceout": false
    },
    {
      "message_id": 196,
      "editor_id": 33,
      "message_received": "Pop คือ เอาออก เอาอะไรออก ข้างบนสุดคืออะไรคะ",
      "slice_count": 4,
      "slices": "Pop คือ เอาออก |เอาอะไรออก |ข้างบนสุดคืออะไร |คะ|",
      "edit_duration": 6.145,
      "isForceout": false
    },
    {
      "message_id": 197,
      "editor_id": 33,
      "message_received": "เอา F ออก เพราะฉะนั้นข้อมูล",
      "slice_count": 2,
      "slices": "เอา F ออก |เพราะฉะนั้นข้อมูล|",
      "edit_duration": 5.92,
      "isForceout": false
    },
    {
      "message_id": 198,
      "editor_id": 33,
      "message_received": "จะเหลืออยู่ 4 ตัว ก็คือ a, b, c แล้วก็ e",
      "slice_count": 2,
      "slices": "จะเหลืออยู่ 4 ตัว| ก็คือ a, b, c แล้วก็ e|",
      "edit_duration": 3.402,
      "isForceout": false
    },
    {
      "message_id": 199,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 200,
      "editor_id": 33,
      "message_received": "โอเค ถัดมา",
      "slice_count": 2,
      "slices": "โอเค |ถัดมา|",
      "edit_duration": 2.291,
      "isForceout": false
    },
    {
      "message_id": 201,
      "editor_id": 33,
      "message_received": "เราแทน Stack ด้วยอะไร",
      "slice_count": 1,
      "slices": "เราแทน Stack ด้วยอะไร|",
      "edit_duration": 3.643,
      "isForceout": false
    },
    {
      "message_id": 202,
      "editor_id": 33,
      "message_received": "นะคะ อย่างที่ครูบอกว่าลิสต์",
      "slice_count": 2,
      "slices": "นะคะ| อย่างที่ครูบอกว่าลิสต์|",
      "edit_duration": 1.112,
      "isForceout": false
    },
    {
      "message_id": 203,
      "editor_id": 33,
      "message_received": "จะถูกเอามาใช้แทนนะคะ การเก็บข้อมูล",
      "slice_count": 2,
      "slices": "จะถูกเอามาใช้แทนนะคะ| การจัดเก็บข้อมูล|",
      "edit_duration": 1.655,
      "isForceout": false
    },
    {
      "message_id": 204,
      "editor_id": 33,
      "message_received": "ใน Stack เราพูดถึง Stack แล้วมันจัดเก็บแบบไหน ลิสต์",
      "slice_count": 4,
      "slices": "ใน Stack| เราพูดถึง Stack |แล้วมันจัดเก็บแบบไหน | เราก็ใช้ลิสต์|",
      "edit_duration": 3.833,
      "isForceout": false
    },
    {
      "message_id": 205,
      "editor_id": 33,
      "message_received": "นั่นล่ะในการเก็บข้อมูล",
      "slice_count": 2,
      "slices": "นั่นล่ะ|ในการเก็บข้อมูล|",
      "edit_duration": 8.306,
      "isForceout": false
    },
    {
      "message_id": 206,
      "editor_id": 33,
      "message_received": "ลิสต์นะคะ เราสามารถวาดเป็นแนวตั้งหรือแนวนอน",
      "slice_count": 2,
      "slices": "ลิสต์นะคะ| เราสามารถวาดเป็นแนวตั้งหรือแนวนอน|",
      "edit_duration": 6.431,
      "isForceout": false
    },
    {
      "message_id": 207,
      "editor_id": 33,
      "message_received": "ก็ได้นะ สามารถวาดเป็นแนวนอน",
      "slice_count": 2,
      "slices": "ก็ได้นะ| สามารถวาดเป็นแนวนอน|",
      "edit_duration": 5.066,
      "isForceout": false
    },
    {
      "message_id": 208,
      "editor_id": 33,
      "message_received": "หรือแนวนอนก็ได้ ข้อมูลที่ใส่เข้ามาตัวแรกนะคะ",
      "slice_count": 2,
      "slices": "หรือแนวนอนก็ได้| ข้อมูลที่ใส่เข้ามาตัวแรกนะคะ |",
      "edit_duration": 3.632,
      "isForceout": false
    },
    {
      "message_id": 209,
      "editor_id": 33,
      "message_received": "จะอยู่ที่ index 0 ก็คือข้อมูลตัวแรก",
      "slice_count": 2,
      "slices": "จะอยู่ที่ index 0 |ก็คือข้อมูลตัวแรก|",
      "edit_duration": 2.256,
      "isForceout": false
    },
    {
      "message_id": 210,
      "editor_id": 33,
      "message_received": "ไล่ไปเรื่อย ๆ จนถึงข้อมูลตัวสุดท้าย",
      "slice_count": 2,
      "slices": "ไล่ไปเรื่อย ๆ |จนถึงข้อมูลตัวสุดท้าย|",
      "edit_duration": 0.6,
      "isForceout": false
    },
    {
      "message_id": 211,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 212,
      "editor_id": 33,
      "message_received": "Stack ที่ครูให้มานี่ ที่เก็บอยู่",
      "slice_count": 2,
      "slices": "Stack ที่ครูให้มานี่ |ที่เก็บอยู่|",
      "edit_duration": 2.181,
      "isForceout": false
    },
    {
      "message_id": 213,
      "editor_id": 33,
      "message_received": "ในรูปแบบที่เป็นลิสต์นี่",
      "slice_count": 1,
      "slices": "ในรูปแบบที่เป็นลิสต์นี่|",
      "edit_duration": 1.067,
      "isForceout": false
    },
    {
      "message_id": 214,
      "editor_id": 33,
      "message_received": "มันมีที่ว่างให้ใส่ได้อีกไหม Stack รูปนี้",
      "slice_count": 1,
      "slices": "มันมีช่องว่างไหมคะ มันมีที่ว่างให้ใส่ได้อีกไหม Stack รูปนี้|",
      "edit_duration": 16.014,
      "isForceout": true
    },
    {
      "message_id": 215,
      "editor_id": 33,
      "message_received": "มีอยู่ 4 ช่องด้วยกัน ทุกช่องมีค่าไหมคะ",
      "slice_count": 2,
      "slices": "มีอยู่ 4 ช่องด้วยกัน |ทุกช่องมีค่าไหมคะ |",
      "edit_duration": 15.061,
      "isForceout": false
    },
    {
      "message_id": 216,
      "editor_id": 33,
      "message_received": "ทุกช่องมีค่านะ",
      "slice_count": 1,
      "slices": "ทุกช่องมีค่านะ|",
      "edit_duration": 12.956,
      "isForceout": false
    },
    {
      "message_id": 217,
      "editor_id": 33,
      "message_received": "มันเต็มหรือยังคะ",
      "slice_count": 1,
      "slices": "มันเต็มหรือยังคะ|",
      "edit_duration": 9.486,
      "isForceout": false
    },
    {
      "message_id": 218,
      "editor_id": 33,
      "message_received": "มันมีที่ว่างให้ใส่อีกไหมคะ ไม่มีแล้ว",
      "slice_count": 2,
      "slices": "มันมีที่ว่างให้ใส่อีกไหมคะ| ไม่มีแล้ว|",
      "edit_duration": 6.642,
      "isForceout": false
    },
    {
      "message_id": 219,
      "editor_id": 33,
      "message_received": "อย่างนี้เรียกว่า Stack เต็มแล้ว",
      "slice_count": 1,
      "slices": "อย่างนี้เรียกว่า Stack เต็มแล้ว|",
      "edit_duration": 4.399,
      "isForceout": false
    },
    {
      "message_id": 220,
      "editor_id": 33,
      "message_received": "นะคะ คือ ไม่มีช่องว่างให้เราใส่ข้อมูลตัวใหม่ได้แล้ว",
      "slice_count": 2,
      "slices": "นะคะ| คือ ไม่มีช่องว่างให้เราใส่ข้อมูลตัวใหม่ได้แล้ว|",
      "edit_duration": 1.479,
      "isForceout": false
    },
    {
      "message_id": 221,
      "editor_id": 33,
      "message_received": "นะคะ แบบนี้เรียกว่า Stack มันเต็มแล้ง",
      "slice_count": 3,
      "slices": "นะคะ |แบบนี้|เรียกว่า Stack มันเต็มแล้ว|",
      "edit_duration": 0.432,
      "isForceout": false
    },
    {
      "message_id": 222,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 223,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 224,
      "editor_id": 33,
      "message_received": "คราวนี้ เรามี 2 คำสั่ง",
      "slice_count": 2,
      "slices": "คราวนี้| เรามี 2 คำสั่ง|",
      "edit_duration": 0.737,
      "isForceout": false
    },
    {
      "message_id": 225,
      "editor_id": 33,
      "message_received": "ที่พูดถึงนะ Push กับ Pop",
      "slice_count": 1,
      "slices": "ที่พูดถึงนะ Push กับ Pop|",
      "edit_duration": 2.273,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " นะคะ|",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 226,
      "editor_id": 33,
      "message_received": "Push ก็คือใส่ข้อมูลลงไปใน Stack",
      "slice_count": 1,
      "slices": "Push ก็คือใส่ข้อมูลลงไปใน Stack|",
      "edit_duration": 4.966,
      "isForceout": false
    },
    {
      "message_id": 227,
      "editor_id": 33,
      "message_received": "เช่น ครูมี Stack",
      "slice_count": 2,
      "slices": "เช่น| ครูมี Stack|",
      "edit_duration": 3.088,
      "isForceout": false
    },
    {
      "message_id": 228,
      "editor_id": 33,
      "message_received": "อย่างนี้ใช่ไหม มันมีที่ว่างให้ครูใส่ข้อมูลได้ไหมคะ มันมี",
      "slice_count": 4,
      "slices": "อย่างนี้ใช่ไหม |มันมีที่ว่างให้ครูใส่ข้อมูลได้ไหมคะ| มี| มันมี|",
      "edit_duration": 0.784,
      "isForceout": false
    },
    {
      "message_id": 229,
      "editor_id": 33,
      "message_received": "ที่ว่างให้ครูใส่ข้อมูลได้ ครู",
      "slice_count": 2,
      "slices": "ที่ว่างให้ครูใส่ข้อมูลได้| ครู|",
      "edit_duration": 5.68,
      "isForceout": false
    },
    {
      "message_id": 230,
      "editor_id": 33,
      "message_received": "ก็เลยสั่งคำสั่ง Push 3 ก็คือเอาข้อมูล 3 นี่",
      "slice_count": 2,
      "slices": "ก็เลยสั่งคำสั่ง Push 3 |ก็คือเอาข้อมูล 3 นี่|",
      "edit_duration": 2.938,
      "isForceout": false
    },
    {
      "message_id": 231,
      "editor_id": 33,
      "message_received": "ไปหย่อนลงใน Stack มันจะเอามาใส่ช่องนี้",
      "slice_count": 2,
      "slices": "ไปหย่อนลงใน Stack| มันจะเอามาใส่ช่องนี้|",
      "edit_duration": 1.641,
      "isForceout": false
    },
    {
      "message_id": 232,
      "editor_id": 33,
      "message_received": "ช่องที่ 1 หรือช่องที่ 2 ค่ะ ช่องที่ 1",
      "slice_count": 3,
      "slices": "ช่องที่ 1 |หรือช่องที่ 2 คะ |ช่องที่ 1|",
      "edit_duration": 1.088,
      "isForceout": false
    },
    {
      "message_id": 233,
      "editor_id": 33,
      "message_received": "ถูกไหม ก็ไล่ลำดับลงมาเรื่อย ๆ",
      "slice_count": 2,
      "slices": "ถูกไหม |ก็ไล่ลำดับลงมาเรื่อย ๆ |",
      "edit_duration": 2.929,
      "isForceout": false
    },
    {
      "message_id": 234,
      "editor_id": 33,
      "message_received": "มันอยู่ช่องนี้แล้ว ข้อมูลล่าสุดอยู่ช่องนี้",
      "slice_count": 2,
      "slices": "มันอยู่ช่องนี้แล้ว| ข้อมูลล่าสุดอยู่ช่องนี้|",
      "edit_duration": 1.473,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " เพราะฉะนั้นเวลาเราหย่อนลงไป|",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 235,
      "editor_id": 33,
      "message_received": "มันก็ไหลลงไปจนถึงตัวสุดท้าย",
      "slice_count": 1,
      "slices": "มันก็ไหลลงไปจนถึงตัวสุดท้าย|",
      "edit_duration": 11.688,
      "isForceout": false
    },
    {
      "message_id": 236,
      "editor_id": 33,
      "message_received": "ที่มันสามารถจะใส่ได้ ก็คือในช่องตรงนี้ ก็คือจะเอา 3",
      "slice_count": 3,
      "slices": "ที่มันสามารถจะใส่ได้| ก็คือในช่องตรงนี้| ก็คือจะเอา 3|",
      "edit_duration": 8.785,
      "isForceout": false
    },
    {
      "message_id": 237,
      "editor_id": 33,
      "message_received": "มาใส่",
      "slice_count": 1,
      "slices": "มาใส่|",
      "edit_duration": 7.239,
      "isForceout": false
    },
    {
      "message_id": 238,
      "editor_id": 33,
      "message_received": "แล้วเราใส่ด้วยคำสั่งอะไร",
      "slice_count": 1,
      "slices": "แล้วเราใส่ด้วยคำสั่งอะไร|",
      "edit_duration": 4.527,
      "isForceout": false
    },
    {
      "message_id": 239,
      "editor_id": 33,
      "message_received": "เราใช้ List นะคะ",
      "slice_count": 1,
      "slices": "เราใช้ List นะคะ |",
      "edit_duration": 2.173,
      "isForceout": false
    },
    {
      "message_id": 240,
      "editor_id": 33,
      "message_received": "ในการจัดเก็บข้อมูล เราใช้ลิสต์ในการจัดเก็บข้อมูล",
      "slice_count": 2,
      "slices": "ในการจัดเก็บข้อมูล| เราใช้ลิสต์ในการจัดเก็บข้อมูล|",
      "edit_duration": 0.584,
      "isForceout": false
    },
    {
      "message_id": 241,
      "editor_id": 33,
      "message_received": "เพราะฉะนั้นคำสั่งของการ",
      "slice_count": 2,
      "slices": "เพราะฉะนั้น| คำสั่งของการ|",
      "edit_duration": 5.619,
      "isForceout": false
    },
    {
      "message_id": 242,
      "editor_id": 33,
      "message_received": "เพิ่มข้อมูลลงไปใน Stack ก็คือใช้คำสั่ง",
      "slice_count": 2,
      "slices": "เพิ่มข้อมูลลงไปใน Stack| ก็คือใช้คำสั่ง|",
      "edit_duration": 2.802,
      "isForceout": false
    },
    {
      "message_id": 243,
      "editor_id": 33,
      "message_received": "Append ได้เลย เพราะ Append",
      "slice_count": 2,
      "slices": "Append ได้เลย| เพราะ Append|",
      "edit_duration": 1.25,
      "isForceout": false
    },
    {
      "message_id": 244,
      "editor_id": 33,
      "message_received": "เป็นคำสั่งของการเพิ่มข้อมูลลงไป",
      "slice_count": 1,
      "slices": "เป็นคำสั่งของการเพิ่มข้อมูลลงไป|",
      "edit_duration": 2.962,
      "isForceout": false
    },
    {
      "message_id": 245,
      "editor_id": 33,
      "message_received": "ในลิสต์นะคะ ใส่ชื่อ .",
      "slice_count": 2,
      "slices": "ในลิสต์นะคะ |ใส่ชื่อ|",
      "edit_duration": 0.61,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " .|",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 246,
      "editor_id": 33,
      "message_received": "แล้วตามด้วยคำสั่ง Append(d)",
      "slice_count": 1,
      "slices": "แล้วตามด้วยคำสั่ง Append(d)|",
      "edit_duration": 6.766,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " วงเล็บเปิด|",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 247,
      "editor_id": 33,
      "message_received": "ใส่ค่าข้อมูลตัวใหม่แล้วก็วงเล็บปิด",
      "slice_count": 1,
      "slices": "ใส่ค่าข้อมูลตัวใหม่แล้วก็วงเล็บปิด|",
      "edit_duration": 10.184,
      "isForceout": false
    },
    {
      "message_id": 248,
      "editor_id": 33,
      "message_received": "ถัดมา",
      "slice_count": 1,
      "slices": "ถัดมา|",
      "edit_duration": 7.022,
      "isForceout": false
    },
    {
      "message_id": 249,
      "editor_id": 33,
      "message_received": "Pop",
      "slice_count": 1,
      "slices": "Pop|",
      "edit_duration": 4.5,
      "isForceout": false
    },
    {
      "message_id": 250,
      "editor_id": 33,
      "message_received": "คือ เอาออกนะคะ คือ Pop คือ เอาออก",
      "slice_count": 3,
      "slices": "คือ เอาออกนะคะ| คือ Pop| คือ เอาออก|",
      "edit_duration": 1.055,
      "isForceout": false
    },
    {
      "message_id": 251,
      "editor_id": 33,
      "message_received": "ก่อนที่เราจะเอาข้อมูลออก",
      "slice_count": 1,
      "slices": "ก่อนที่เราจะเอาข้อมูลออก|",
      "edit_duration": 2.954,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": "นี่|",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 252,
      "editor_id": 33,
      "message_received": "เราต้องเช็กก่อนว่า Stack เรา",
      "slice_count": 2,
      "slices": "เราต้องเช็กก่อนว่า| Stack เรานี่|",
      "edit_duration": 3.801,
      "isForceout": false
    },
    {
      "message_id": 253,
      "editor_id": 33,
      "message_received": "มีข้อมูลอยู่ไหม ถ้า Stack",
      "slice_count": 2,
      "slices": "มีข้อมูลอยู่ไหม| ถ้า Stack|",
      "edit_duration": 5.563,
      "isForceout": false
    },
    {
      "message_id": 254,
      "editor_id": 33,
      "message_received": "มันไม่มีข้อมูลอยู่เลยเราจะเอาอะไรออกมาได้ไหม ไม่ได้",
      "slice_count": 3,
      "slices": "มันไม่มีข้อมูลอยู่เลย|เราจะเอาอะไรออกมาได้ไหม| ไม่ได้|",
      "edit_duration": 4.116,
      "isForceout": false
    },
    {
      "message_id": 255,
      "editor_id": 33,
      "message_received": "เพราะมันไม่มีข้อมูลอะไรให้เราดึงออกมา",
      "slice_count": 1,
      "slices": "เพราะมันไม่มีข้อมูลอะไรให้เราดึงออกมา|",
      "edit_duration": 3.834,
      "isForceout": false
    },
    {
      "message_id": 256,
      "editor_id": 33,
      "message_received": "เพราะฉะนั้น อันดับแรกนี่ เราต้องเช็กก่อน",
      "slice_count": 3,
      "slices": "เพราะฉะนั้น |อันดับแรกนี่ |เราต้องเช็กก่อน|",
      "edit_duration": 1.304,
      "isForceout": false
    },
    {
      "message_id": 257,
      "editor_id": 33,
      "message_received": "มันมีข้อมูลอยู่ไหมนะคะ มันมีข้อมูลอยู่้ไหม",
      "slice_count": 2,
      "slices": "มันมีข้อมูลอยู่ไหมนะคะ| มันมีข้อมูลอยู่ไหม|",
      "edit_duration": 1.976,
      "isForceout": false
    },
    {
      "message_id": 258,
      "editor_id": 33,
      "message_received": "ถ้ามันไม่มีข้อมูลอยู่เลย เราจะบอกว่า",
      "slice_count": 2,
      "slices": "ถ้ามันไม่มีข้อมูลอยู่เลย| เราจะบอกว่า|",
      "edit_duration": 11.864,
      "isForceout": false
    },
    {
      "message_id": 259,
      "editor_id": 33,
      "message_received": "มันคือ Stack ว่าง เราไม่สามารถทำคำสั่ง Pop",
      "slice_count": 2,
      "slices": "มันคือ Stack ว่าง| เราไม่สามารถทำคำสั่ง Pop|",
      "edit_duration": 9.863,
      "isForceout": false
    },
    {
      "message_id": 260,
      "editor_id": 33,
      "message_received": "ได้นะคะ แต่ถ้า",
      "slice_count": 2,
      "slices": "ได้นะคะ| แต่ถ้า|",
      "edit_duration": 8.868,
      "isForceout": false
    },
    {
      "message_id": 261,
      "editor_id": 33,
      "message_received": "Stack ไม่ว่าง เช่น",
      "slice_count": 2,
      "slices": "Stack ไม่ว่าง |เช่น|",
      "edit_duration": 6.673,
      "isForceout": false
    },
    {
      "message_id": 262,
      "editor_id": 33,
      "message_received": "Stack ไม่ว่างนะ มันมีข้อมูลอยู่ตั้ง 3 ตัว",
      "slice_count": 2,
      "slices": "Stack ไม่ว่างนะ| มันมีข้อมูลอยู่ตั้ง 3 ตัว|",
      "edit_duration": 4.921,
      "isForceout": false
    },
    {
      "message_id": 263,
      "editor_id": 33,
      "message_received": "เราใช้คำสั่ง Pop",
      "slice_count": 1,
      "slices": "เราใช้คำสั่ง Pop|",
      "edit_duration": 3.334,
      "isForceout": false
    },
    {
      "message_id": 264,
      "editor_id": 33,
      "message_received": "ข้อมูลอะไรจะถูกดึงออกมา มีอยู่ 3 ค่านี่",
      "slice_count": 2,
      "slices": "ข้อมูลอะไรจะถูกดึงออกมา |มีอยู่ 3 ค่านี่|",
      "edit_duration": 1.151,
      "isForceout": false
    },
    {
      "message_id": 265,
      "editor_id": 33,
      "message_received": "ข้อมูลที่จะเอาออกมาจาก Stack",
      "slice_count": 1,
      "slices": "ข้อมูลที่จะเอาออกมาจาก Stack|",
      "edit_duration": 3.15,
      "isForceout": false
    },
    {
      "message_id": 266,
      "editor_id": 33,
      "message_received": "ก็คือข้อมูลค่าอะไรเอ่ย",
      "slice_count": 1,
      "slices": "ก็คือข้อมูลค่าอะไรเอ่ย|",
      "edit_duration": 3.833,
      "isForceout": false
    },
    {
      "message_id": 267,
      "editor_id": 33,
      "message_received": "อะไรคะ 1 หรือ 2",
      "slice_count": 2,
      "slices": "อะไรคะ| 1 หรือ 2|",
      "edit_duration": 4.37,
      "isForceout": false
    },
    {
      "message_id": 268,
      "editor_id": 33,
      "message_received": "หรือ 3 3 ใช่ไหม",
      "slice_count": 2,
      "slices": "หรือ 3| 3 ใช่ไหม|",
      "edit_duration": 2.508,
      "isForceout": false
    },
    {
      "message_id": 269,
      "editor_id": 33,
      "message_received": "เอาตัวที่อยู่บนสุด",
      "slice_count": 1,
      "slices": "เอาตัวที่อยู่บนสุด|",
      "edit_duration": 0.911,
      "isForceout": false
    },
    {
      "message_id": 270,
      "editor_id": 33,
      "message_received": "ตัวล่าสุดถูกไหมคะ ถ้าอยู่ในแนวนอนตัวล่าสุดจะอยู่",
      "slice_count": 3,
      "slices": "ตัวล่าสุดน่ะ |ตัวล่าสุด ถูกไหมคะ| ถ้าอยู่ในแนวนอนตัวล่าสุดจะอยู่|",
      "edit_duration": 7.811,
      "isForceout": false
    },
    {
      "message_id": 271,
      "editor_id": 33,
      "message_received": "ด้านขวา",
      "slice_count": 1,
      "slices": "ด้านขวา|",
      "edit_duration": 9.168,
      "isForceout": false
    },
    {
      "message_id": 272,
      "editor_id": 33,
      "message_received": "ถ้าเป็นแนวตั้งตัวล่าสุดจะอยู่ข้างบนใช่ไหมคะ",
      "slice_count": 1,
      "slices": "ถ้าเป็นแนวตั้งตัวล่าสุดจะอยู่ข้างบนใช่ไหมคะ |",
      "edit_duration": 8.342,
      "isForceout": false
    },
    {
      "message_id": 273,
      "editor_id": 33,
      "message_received": "เลข 3 จะถูก",
      "slice_count": 1,
      "slices": "เลข 3 จะถูก|",
      "edit_duration": 6.713,
      "isForceout": false
    },
    {
      "message_id": 274,
      "editor_id": 33,
      "message_received": "ดึงออกมานะคะ หลังจากที่เราใช้คำสั่ง Pop",
      "slice_count": 2,
      "slices": "ดึงออกมานะคะ| หลังจากที่เราใช้คำสั่ง Pop|",
      "edit_duration": 2.713,
      "isForceout": false
    },
    {
      "message_id": 275,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 276,
      "editor_id": 33,
      "message_received": "โอเค",
      "slice_count": 1,
      "slices": "โอเค|",
      "edit_duration": 5.657,
      "isForceout": false
    },
    {
      "message_id": 277,
      "editor_id": 33,
      "message_received": "ถัดมาตัวนี้จะเป็นคำสั่ง",
      "slice_count": 2,
      "slices": "ถัดมา| ตัวนี้จะเป็นคำสั่ง|",
      "edit_duration": 2.907,
      "isForceout": false
    },
    {
      "message_id": 278,
      "editor_id": 33,
      "message_received": "ที่เราใช้เขียน เช่น",
      "slice_count": 2,
      "slices": "ที่เราใช้เขียน| เช่น|",
      "edit_duration": 1.257,
      "isForceout": false
    },
    {
      "message_id": 279,
      "editor_id": 33,
      "message_received": "เราจะเช็กว่า Stack นั้นเป็น Stack ว่าง",
      "slice_count": 2,
      "slices": "เราจะเช็กว่า Stack นั้น| เป็น Stack ว่าง|",
      "edit_duration": 2.332,
      "isForceout": false
    },
    {
      "message_id": 280,
      "editor_id": 33,
      "message_received": "หรือเปล่า เราก็ดูขนาดของ Stack ใช่ไหมคะ",
      "slice_count": 3,
      "slices": "หรือเปล่า| เราก็ดูขนาดของ Stack| ใช่ไหมคะ |",
      "edit_duration": 0.937,
      "isForceout": false
    },
    {
      "message_id": 281,
      "editor_id": 33,
      "message_received": "หาขนาดของ Stack ว่ามันมีขนาด",
      "slice_count": 2,
      "slices": "หาขนาดของ Stack |ว่ามันมีขนาด|",
      "edit_duration": 1.634,
      "isForceout": false
    },
    {
      "message_id": 282,
      "editor_id": 33,
      "message_received": "เท่าไหร่ ถ้าขนาดมันมีค่าเป็น 0",
      "slice_count": 2,
      "slices": "เท่าไหร่| ถ้าขนาดมันมีค่าเป็น 0|",
      "edit_duration": 0.489,
      "isForceout": false
    },
    {
      "message_id": 283,
      "editor_id": 33,
      "message_received": "แสดงว่ามันเป็น Stack ว่าง ไม่มีข้อมูลอยู่เลย",
      "slice_count": 2,
      "slices": "แสดงว่ามันเป็น Stack ว่าง| คือไม่มีข้อมูลอยู่เลย|",
      "edit_duration": 0.577,
      "isForceout": false
    },
    {
      "message_id": 284,
      "editor_id": 33,
      "message_received": "ก็ไม่ต้องทำอะไรใช่ไหมคะ แต่ถ้า",
      "slice_count": 2,
      "slices": "ก็ไม่ต้องทำอะไรใช่ไหมคะ |แต่ถ้า|",
      "edit_duration": 3.44,
      "isForceout": false
    },
    {
      "message_id": 285,
      "editor_id": 33,
      "message_received": "มันไม่ใช่ Stack ว่างเราก็",
      "slice_count": 2,
      "slices": "มันไม่ใช่ Stack ว่าง| เราก็|",
      "edit_duration": 1.837,
      "isForceout": false
    },
    {
      "message_id": 286,
      "editor_id": 33,
      "message_received": "จะดึงค่าที่อยู่บนสุดออกมา",
      "slice_count": 1,
      "slices": "จะดึงค่าที่อยู่บนสุดออกมา|",
      "edit_duration": 1.096,
      "isForceout": false
    },
    {
      "message_id": 287,
      "editor_id": 33,
      "message_received": "คราวนี้",
      "slice_count": 1,
      "slices": "คราวนี้|",
      "edit_duration": 1.648,
      "isForceout": false
    },
    {
      "message_id": 288,
      "editor_id": 33,
      "message_received": "อันนี้จะเป็นโค้ด เป็นโปรแกรมที่เราจะเขียนทั้งหมด",
      "slice_count": 2,
      "slices": "อันนี้จะเป็นโค้ด| เป็นโปรแกรมที่เราจะเขียนทั้งหมด|",
      "edit_duration": 0.596,
      "isForceout": false
    },
    {
      "message_id": 289,
      "editor_id": 33,
      "message_received": "เดี๋ยวครูบอกอีกทีข้างหลัง",
      "slice_count": 1,
      "slices": "เดี๋ยวครูบอกอีกทีข้างหลัง|",
      "edit_duration": 1.162,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": "นะคะ|",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 290,
      "editor_id": 33,
      "message_received": "สมมติว่า",
      "slice_count": 1,
      "slices": "สมมติว่า|",
      "edit_duration": 2.599,
      "isForceout": false
    },
    {
      "message_id": 291,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 292,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 293,
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      "message_received": "คราวนี้นะคะ",
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      "message_received": "ครูกำลังจะใส่ข้อมูลลงใน Stack",
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      "slices": " คือเลข 5 นะคะ|",
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      "slices": "เอาเลข 5 มาหย่อนเลยนะคะ |",
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      "message_received": "ถัดมาครูใช้คำสั่ง Push",
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      "slices": "ถัดมา |ครูใช้คำสั่ง Push|",
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      "message_received": "ครูใช้คำสั่ง Push ทำอย่างไร เอา",
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      "message_received": "มาใส่ก่อนนะคะ ก็จะมี 3,",
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      "slices": "มาใส่ก่อนนะคะ| ก็จะมี 3,|",
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      "message_received": "1 แล้วก็ 5",
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      "slices": "1 แล้วก็ 5|",
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      "message_received": "จากนั้น เรา Push ค่าใหม่ ใส่ค่าใหม่",
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      "slices": "จากนั้น เรา Push ค่าใหม่ ใส่ค่าใหม่|",
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      "message_received": "ลงไป ก็คือ 6",
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      "message_received": "โอเคนะ ใส่ค่า 6 ก็คือค่าใหม่ลงไปใน Stack",
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      "slices": "โอเคนะ| ใส่ค่า 6| ก็คือค่าใหม่ลงไปใน Stack|",
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      "message_received": "เสร็จแล้วครูใช้คำสั่ง Pop",
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      "message_received": "ก็คือเอาออก ก็คือเอาตัวล่าสุด",
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      "message_received": "ที่อยู่ด้านขวา เอาออก",
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      "slices": "ก็คือที่อยู่ด้านขวา เอาออก|",
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      "message_received": "ลงมาใส่ ก็จะเหลือเป็น",
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      "message_received": "3, 1 แล้วก็ 5 นะคะ",
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      "slices": "เราใช้ Stack ทำอะไร |เมื่อกี้|",
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      "message_received": "เราพูดถึง Stack ไปแล้วนะ เข้าก่อนออกทีหลัง",
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      "message_received": "นะคะ ข้อมูลไหนเข้าก่อน",
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      "slices": "นะคะ| ข้อมูลไหนเข้าก่อน|",
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      "message_received": "จะถูกเอาออกทีหลัง",
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      "slices": "จะถูกเอาออกทีหลัง|",
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      "message_received": "แล้วเราใช้ Stack ทำอะไรบ้าง",
      "slice_count": 2,
      "slices": "แล้วเราใช้ Stack |ทำอะไรบ้าง |",
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      "message_received": "เราใช้ Stack มาทำอะไรบ้าง",
      "slice_count": 2,
      "slices": "เราใช้ Stack |มาทำอะไรบ้าง |",
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      "message_received": "ทุกคนบวกเลขเป็นใช่ไหม ทุกคนบวกลบคูณหาร",
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      "message_id": 800,
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      "message_received": "สมการทางคณิตศาสตร์ได้ Stack",
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      "slices": "สมการทางคณิตศาสตร์ได้ |Stack|",
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    {
      "message_id": 801,
      "editor_id": 33,
      "message_received": "จะถูกเอามาใช้ในการ",
      "slice_count": 1,
      "slices": "จะถูกเอามาใช้ในการ|",
      "edit_duration": 6.161,
      "isForceout": false
    },
    {
      "message_id": 802,
      "editor_id": 33,
      "message_received": "หาผลลัพธ์ของสมการคณิตศาสตร์",
      "slice_count": 2,
      "slices": "หาผลลัพธ์|ของสมการคณิตศาสตร์|",
      "edit_duration": 3.465,
      "isForceout": false
    },
    {
      "message_id": 803,
      "editor_id": 33,
      "message_received": "บวกเลข บวกลบเลขนะคะ",
      "slice_count": 2,
      "slices": "บวกเลข |บวกลบเลขนะคะ |",
      "edit_duration": 4.202,
      "isForceout": false
    },
    {
      "message_id": 804,
      "editor_id": 33,
      "message_received": "คราวนี้ ก่อนที่จะไปดูรูปแบบของการ",
      "slice_count": 2,
      "slices": "คราวนี้ ก่อนที่จะไปดูรูปแบบ|ของการ|",
      "edit_duration": 5.814,
      "isForceout": false
    },
    {
      "message_id": 805,
      "editor_id": 33,
      "message_received": "ใช้ Stack แล้ว Stack มันเกี่ย",
      "slice_count": 2,
      "slices": "ใช้ Stack |แล้ว Stack มันเกี่ยวข้องอย่างไร|",
      "edit_duration": 4.419,
      "isForceout": false
    },
    {
      "message_id": 806,
      "editor_id": 33,
      "message_received": "กับการบวก ลบ คูณ หาร นะคะ เรามาดูรูปแบบก่อนว่า",
      "slice_count": 2,
      "slices": "กับการบวก ลบ คูณ หาร นะคะ |เรามาดูรูปแบบก่อนว่า|",
      "edit_duration": 13.689,
      "isForceout": false
    },
    {
      "message_id": 807,
      "editor_id": 33,
      "message_received": "เราใช้ Stack เพื่อเป็นนิพนธ์",
      "slice_count": 1,
      "slices": "เราใช้ Stack เพื่อเป็นนิพนธ์|",
      "edit_duration": 11.72,
      "isForceout": false
    },
    {
      "message_id": 808,
      "editor_id": 33,
      "message_received": "ก็คือลักษณะของสมการ",
      "slice_count": 1,
      "slices": "ก็คือลักษณะของสมการ|",
      "edit_duration": 9.954,
      "isForceout": false
    },
    {
      "message_id": 809,
      "editor_id": 33,
      "message_received": "มีอยู่ 3 รูปแบบ รูปแบบแรกก็คื",
      "slice_count": 2,
      "slices": "มีอยู่ 3 รูปแบบ |รูปแบบแรก|",
      "edit_duration": 7.491,
      "isForceout": false
    },
    {
      "message_id": 810,
      "editor_id": 33,
      "message_received": "ก็คือ",
      "slice_count": 1,
      "slices": "ก็คือ|",
      "edit_duration": 9.108,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " Infix|",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 811,
      "editor_id": 33,
      "message_received": "บวก ลบ คูณ หาร จะอยู่ระหว่างตัวเลข",
      "slice_count": 1,
      "slices": "บวก ลบ คูณ หาร จะอยู่ระหว่างตัวเลข|",
      "edit_duration": 14.933,
      "isForceout": false
    },
    {
      "message_id": 812,
      "editor_id": 33,
      "message_received": "นะคะ อันนี้คือ Infix นิพจน์ตัวที่ 2",
      "slice_count": 2,
      "slices": "นะคะ |อันนี้คือ Infix นิพจน์ตัวที่ 2|",
      "edit_duration": 12.612,
      "isForceout": false
    },
    {
      "message_id": 813,
      "editor_id": 33,
      "message_received": "ก็คือ Prefix",
      "slice_count": 1,
      "slices": "ก็คือ Prefix|",
      "edit_duration": 12.408,
      "isForceout": false
    },
    {
      "message_id": 814,
      "editor_id": 33,
      "message_received": "เครื่องหมาย บวก ลบ คูณ หาร จะอยู่ด้านหน้า",
      "slice_count": 1,
      "slices": "เครื่องหมาย บวก ลบ คูณ หาร จะอยู่ด้านหน้า|",
      "edit_duration": 9.486,
      "isForceout": false
    },
    {
      "message_id": 815,
      "editor_id": 33,
      "message_received": "และตัวสุดท้ายคือ",
      "slice_count": 1,
      "slices": "และตัวสุดท้าย คือ|",
      "edit_duration": 9.325,
      "isForceout": false
    },
    {
      "message_id": 816,
      "editor_id": 33,
      "message_received": "Postfix เครื่องหมายจะไปอยู่ด้านหลังของตัวเลข",
      "slice_count": 2,
      "slices": "Postfix |เครื่องหมายจะไปอยู่ด้านหลังของตัวเลข|",
      "edit_duration": 5.324,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 817,
      "editor_id": 33,
      "message_received": "AC อันนนี้คือตัวเลขนะคะ",
      "slice_count": 1,
      "slices": "AC อันนี้ คือ ตัวเลขนะคะ |",
      "edit_duration": 8.203,
      "isForceout": false
    },
    {
      "message_id": 818,
      "editor_id": 33,
      "message_received": "เราจะแทนด้วยตัวเลขใด ๆ",
      "slice_count": 1,
      "slices": "เราจะแทนด้วยตัวเลขใด ๆ |",
      "edit_duration": 6.44,
      "isForceout": false
    },
    {
      "message_id": 819,
      "editor_id": 33,
      "message_received": "คราวนี้ดูนะคะ ในการคำนวณ",
      "slice_count": 2,
      "slices": "คราวนี้ดูนะคะ| ในการคำนวณ|",
      "edit_duration": 5.281,
      "isForceout": false
    },
    {
      "message_id": 820,
      "editor_id": 33,
      "message_received": "ทางคณิตศาสตร์นะ",
      "slice_count": 1,
      "slices": "ทางคณิตศาสตร์นะ|",
      "edit_duration": 2.477,
      "isForceout": false
    },
    {
      "message_id": 821,
      "editor_id": 33,
      "message_received": "เวลาเราเจอนะคะ การบวก ลบ",
      "slice_count": 2,
      "slices": "เวลาเราเจอนะคะ| การบวก ลบ|",
      "edit_duration": 2.173,
      "isForceout": false
    },
    {
      "message_id": 822,
      "editor_id": 33,
      "message_received": "ที่มันมีมากกว่า 2 ตัวเลข",
      "slice_count": 1,
      "slices": "ที่มันมีมากกว่า 2 ตัวเลข|",
      "edit_duration": 2.89,
      "isForceout": false
    },
    {
      "message_id": 823,
      "editor_id": 33,
      "message_received": "เช่นแบบนี้",
      "slice_count": 1,
      "slices": "เช่นแบบนี้|",
      "edit_duration": 1.456,
      "isForceout": false
    },
    {
      "message_id": 824,
      "editor_id": 33,
      "message_received": "5 + 2 x 2 มันมีตัวเลขมากกว่า 2 ตัว",
      "slice_count": 2,
      "slices": "5 + 2 x 2 |มันมีตัวเลขมากกว่า 2 ตัว|",
      "edit_duration": 1.475,
      "isForceout": false
    },
    {
      "message_id": 825,
      "editor_id": 33,
      "message_received": "นะคะ แล้วเรา",
      "slice_count": 2,
      "slices": "นะคะ| แล้วเรา|",
      "edit_duration": 1.452,
      "isForceout": false
    },
    {
      "message_id": 826,
      "editor_id": 33,
      "message_received": "จะบวกลบเลขอย่างไร",
      "slice_count": 1,
      "slices": "จะบวกลบเลขอย่างไร|",
      "edit_duration": 2.787,
      "isForceout": false
    },
    {
      "message_id": 827,
      "editor_id": 33,
      "message_received": "เรามีลำดับความสัมพันธ์ของ",
      "slice_count": 1,
      "slices": "เรามีลำดับความสัมพันธ์ของ|",
      "edit_duration": 4.556,
      "isForceout": false
    },
    {
      "message_id": 828,
      "editor_id": 33,
      "message_received": "เครื่องหมาย เจอวงเล็บ",
      "slice_count": 2,
      "slices": "เครื่องหมาย| เจอวงเล็บ|",
      "edit_duration": 0.559,
      "isForceout": false
    },
    {
      "message_id": 829,
      "editor_id": 33,
      "message_received": "ก่อนทำในวงเล็บ",
      "slice_count": 2,
      "slices": "ก่อน| ทำในวงเล็บ|",
      "edit_duration": 1.468,
      "isForceout": false
    },
    {
      "message_id": 830,
      "editor_id": 33,
      "message_received": "ใช่ไหมคะ เราเจอในวงเล็บ เรา",
      "slice_count": 3,
      "slices": "ใช่ไหมคะ| เราเจอในวงเล็บ| เรา|",
      "edit_duration": 1.076,
      "isForceout": false
    },
    {
      "message_id": 831,
      "editor_id": 33,
      "message_received": "บวกลบเลขนี่ในวงเล็บก่อน",
      "slice_count": 1,
      "slices": "บวกลบเลขนี่ในเครื่องหมายวงเล็บก่อน|",
      "edit_duration": 10.271,
      "isForceout": false
    },
    {
      "message_id": 832,
      "editor_id": 33,
      "message_received": "จากนั้น ลำดับความสำคัญตัวที่ 2 ที่ต้อง",
      "slice_count": 3,
      "slices": "จากนั้น |ลำดับความสำคัญตัวที่ 2 |ที่ต้อง|",
      "edit_duration": 7.907,
      "isForceout": false
    },
    {
      "message_id": 833,
      "editor_id": 33,
      "message_received": "ทำก่อนก็คือ เครื่องหมาย",
      "slice_count": 1,
      "slices": "ทำก่อน ก็คือเครื่องหมาย|",
      "edit_duration": 11.078,
      "isForceout": false
    },
    {
      "message_id": 834,
      "editor_id": 33,
      "message_received": "ยกกำลัง เช่น 2 ยกกำลัง 2 ถูกไหมคะ",
      "slice_count": 3,
      "slices": "ยกกำลัง| เช่น 2 ยกกำลัง 2| ถูกไหมคะ |",
      "edit_duration": 7.078,
      "isForceout": false
    },
    {
      "message_id": 835,
      "editor_id": 33,
      "message_received": "3 ยกกำลัง 2 อย่างนี้เป็นต้น",
      "slice_count": 1,
      "slices": "3 ยกกำลัง 2 อย่างนี้เป็นต้น|",
      "edit_duration": 6.538,
      "isForceout": false
    },
    {
      "message_id": 836,
      "editor_id": 33,
      "message_received": "เจอเลขยกกำลังเสร็จแล้ว",
      "slice_count": 1,
      "slices": "เจอเลขยกกำลังเสร็จแล้ว|",
      "edit_duration": 4.402,
      "isForceout": false
    },
    {
      "message_id": 837,
      "editor_id": 33,
      "message_received": "เราจะคำนวณเครื่องหมายไหนต่อไป ก็ค",
      "slice_count": 2,
      "slices": "เราจะคำนวณเครื่องหมายไหนต่อไป| คูณ|",
      "edit_duration": 3.259,
      "isForceout": false
    },
    {
      "message_id": 838,
      "editor_id": 33,
      "message_received": "กับหาร คูณกับหารมีลำดับความสำคัญ",
      "slice_count": 2,
      "slices": "กับหาร |คูณกับหารมีลำดับความสำคัญ|",
      "edit_duration": 6.942,
      "isForceout": false
    },
    {
      "message_id": 839,
      "editor_id": 33,
      "message_received": "เท่ากันนะคะ มีลำดับความสำคัญ",
      "slice_count": 2,
      "slices": "เท่ากันนะคะ| มีลำดับความสำคัญ|",
      "edit_duration": 6.761,
      "isForceout": false
    },
    {
      "message_id": 840,
      "editor_id": 33,
      "message_received": "เท่ากัน ตามด้วยบวกกับลบ",
      "slice_count": 2,
      "slices": "เท่ากัน| ตามด้วยบวกกับลบ|",
      "edit_duration": 5.03,
      "isForceout": false
    },
    {
      "message_id": 841,
      "editor_id": 33,
      "message_received": "บวกกับลบก็มีความสำคัญ",
      "slice_count": 1,
      "slices": "บวกกับลบก็มีความสำคัญ|",
      "edit_duration": 3.789,
      "isForceout": false
    },
    {
      "message_id": 842,
      "editor_id": 33,
      "message_received": "เท่ากัน แต่จะทำ",
      "slice_count": 2,
      "slices": "เท่ากัน |แต่จะทำ|",
      "edit_duration": 1.783,
      "isForceout": false
    },
    {
      "message_id": 843,
      "editor_id": 33,
      "message_received": "หลังการทำเครื่องหมายคูณกับหาร",
      "slice_count": 1,
      "slices": "หลังการทำเครื่องหมายคูณกับหาร|",
      "edit_duration": 1.278,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": "นะคะ|",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 844,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 845,
      "editor_id": 33,
      "message_received": "คราวนี้มาดูโจทย์ครู 2 ตัวนี้",
      "slice_count": 2,
      "slices": "คราวนี้มาดูโจทย์| ครู 2 ตัวนี้|",
      "edit_duration": 1.112,
      "isForceout": false
    },
    {
      "message_id": 846,
      "editor_id": 33,
      "message_received": "เป็นตัวเลขตัวเดียวกันเลย 5 + 2",
      "slice_count": 2,
      "slices": "เป็นตัวเลขตัวเดียวกันเลย| 5 + 2|",
      "edit_duration": 1.173,
      "isForceout": false
    },
    {
      "message_id": 847,
      "editor_id": 33,
      "message_received": "x 2 ตัวแรก",
      "slice_count": 2,
      "slices": "x 2| ตัวแรก|",
      "edit_duration": 0.751,
      "isForceout": false
    },
    {
      "message_id": 848,
      "editor_id": 33,
      "message_received": "ครูมีวงเล็บเปิดกับวงเล็บปิด โจทย์ตัวที่ 2 ไม่มี",
      "slice_count": 2,
      "slices": "ครูมีวงเล็บเปิดกับวงเล็บปิด| โจทย์ตัวที่ 2 ครูไม่ได้ใส่วงเล็บไม่มี|",
      "edit_duration": 14.616,
      "isForceout": true
    },
    {
      "message_id": 849,
      "editor_id": 33,
      "message_received": "วงเล็บนะคะ ครูไม่มีวงเล็บนะ",
      "slice_count": 2,
      "slices": "วงเล็บนะคะ| ครูไม่มีวงเล็บนะ|",
      "edit_duration": 14.158,
      "isForceout": false
    },
    {
      "message_id": 850,
      "editor_id": 33,
      "message_received": "คราวนี้มาดูข้อแรกก่อน",
      "slice_count": 1,
      "slices": "คราวนี้มาดูข้อแรกก่อน|",
      "edit_duration": 12.957,
      "isForceout": false
    },
    {
      "message_id": 851,
      "editor_id": 33,
      "message_received": "อย่างที่บอกว่าถ้าเจอวงเล็บ",
      "slice_count": 1,
      "slices": "อย่างที่บอกว่าถ้าเจอวงเล็บ|",
      "edit_duration": 10.739,
      "isForceout": false
    },
    {
      "message_id": 852,
      "editor_id": 33,
      "message_received": "วงเล็บเปิด วงเล็บปิด ทำ",
      "slice_count": 3,
      "slices": "วงเล็บเปิด |วงเล็บปิด |ทำ|",
      "edit_duration": 8.236,
      "isForceout": false
    },
    {
      "message_id": 853,
      "editor_id": 33,
      "message_received": "ข้างในวงเล็บก่อน",
      "slice_count": 1,
      "slices": "ข้างในวงเล็บก่อน|",
      "edit_duration": 6.396,
      "isForceout": false
    },
    {
      "message_id": 854,
      "editor_id": 33,
      "message_received": "เพราะฉะนั้น เราเอาอะไรบวกกันก่อน 5 + 2",
      "slice_count": 3,
      "slices": "เพราะฉะนั้น| เราเอาอะไรบวกกันก่อน| 5 + 2|",
      "edit_duration": 5.134,
      "isForceout": false
    },
    {
      "message_id": 855,
      "editor_id": 33,
      "message_received": "เป็นเท่าไรคะ เป็น 7",
      "slice_count": 2,
      "slices": "เป็นเท่าไรคะ| เป็น 7|",
      "edit_duration": 4.134,
      "isForceout": false
    },
    {
      "message_id": 856,
      "editor_id": 33,
      "message_received": "7 แล้วคูณด้วย 2 เท่ากับเท่าไหร่",
      "slice_count": 2,
      "slices": "7 แล้วคูณด้วย 2 |เท่ากับเท่าไหร่|",
      "edit_duration": 2.497,
      "isForceout": false
    },
    {
      "message_id": 857,
      "editor_id": 33,
      "message_received": "เท่ากับเท่าไหร่คะ",
      "slice_count": 1,
      "slices": "เท่ากับเท่าไหร่คะ|",
      "edit_duration": 1.231,
      "isForceout": false
    },
    {
      "message_id": 858,
      "editor_id": 33,
      "message_received": "เท่ากับ 14",
      "slice_count": 1,
      "slices": "เท่ากับ 14|",
      "edit_duration": 0.662,
      "isForceout": false
    },
    {
      "message_id": 859,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 860,
      "editor_id": 33,
      "message_received": "ตัวเลขเท่ากับ 14 ตัวแรกนะคะ เท่ากับ 14",
      "slice_count": 2,
      "slices": "ตัวเลขเท่ากับ 14 ตัวแรกนะคะ| เท่ากับ 14|",
      "edit_duration": 3.689,
      "isForceout": false
    },
    {
      "message_id": 861,
      "editor_id": 33,
      "message_received": "แล้วมาดูข้อ 2 ครูตัด",
      "slice_count": 2,
      "slices": "แล้วมาดูข้อ 2| ครูตัด|",
      "edit_duration": 2.432,
      "isForceout": false
    },
    {
      "message_id": 862,
      "editor_id": 33,
      "message_received": "วงเล็บทิ้งไป 5 + 2 x 2",
      "slice_count": 2,
      "slices": "วงเล็บทิ้งไป| 5 + 2 x 2|",
      "edit_duration": 0.626,
      "isForceout": false
    },
    {
      "message_id": 863,
      "editor_id": 33,
      "message_received": "เราทำตรงไหนก่อน",
      "slice_count": 1,
      "slices": "เราทำตรงไหนก่อน|",
      "edit_duration": 2.72,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 864,
      "editor_id": 33,
      "message_received": "ย้อนกลับขึ้นมาดูข้างบน ระหว่างบวกกับคูณ",
      "slice_count": 2,
      "slices": "ย้อนกลับขึ้นมาดูข้างบน| ระหว่างบวกกับคูณ|",
      "edit_duration": 4.066,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 865,
      "editor_id": 33,
      "message_received": "อะไรสำคัญมากกว่ากัน",
      "slice_count": 1,
      "slices": "อะไรสำคัญมากกว่ากัน|",
      "edit_duration": 3.044,
      "isForceout": false
    },
    {
      "message_id": 866,
      "editor_id": 33,
      "message_received": "อะไรมีความสำคัญมากกว่ากันคะ",
      "slice_count": 1,
      "slices": "อะไรมีความสำคัญมากกว่ากันคะ|",
      "edit_duration": 0.9,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 867,
      "editor_id": 33,
      "message_received": "บวกกับคูณ",
      "slice_count": 1,
      "slices": "บวกกับคูณ|",
      "edit_duration": 0.711,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " ใช|",
      "edit_duration": 0,
      "isForceout": true
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": "่คูณ|",
      "edit_duration": 0,
      "isForceout": true
    },
    {
      "message_id": 868,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 869,
      "editor_id": 33,
      "message_received": "ข้างบนเห็นไหมคะว่า 1 นี่",
      "slice_count": 2,
      "slices": "ข้างบนเห็นไหมคะ| ว่า 1 นี่|",
      "edit_duration": 8.235,
      "isForceout": false
    },
    {
      "message_id": 870,
      "editor_id": 33,
      "message_received": "มีความสำคัญมากสุดนะ 2. ความสำคัญรองลงมา",
      "slice_count": 2,
      "slices": "มีความสำคัญมากสุดนะ| 2. ความสำคัญรองลงมา|",
      "edit_duration": 6.335,
      "isForceout": false
    },
    {
      "message_id": 871,
      "editor_id": 33,
      "message_received": "ตัวนี้ เบอร์ 3 ความสำคัญ",
      "slice_count": 1,
      "slices": "ตัวนี้ เบอร์ 3 ความสำคัญ|",
      "edit_duration": 8.638,
      "isForceout": false
    },
    {
      "message_id": 872,
      "editor_id": 33,
      "message_received": "รองลงมา เบอร์ 4 ความสำคั",
      "slice_count": 2,
      "slices": "รองลงมา |เบอร์ 4 ความสำคัญน้อยสุดเลย|",
      "edit_duration": 4.636,
      "isForceout": false
    },
    {
      "message_id": 873,
      "editor_id": 33,
      "message_received": "เพราะฉะนั้น คูณกับบวก",
      "slice_count": 2,
      "slices": "เพราะฉะนั้น |คูณกับบวก|",
      "edit_duration": 10.826,
      "isForceout": false
    },
    {
      "message_id": 874,
      "editor_id": 33,
      "message_received": "อะไรมีความสำคัญมากกว่ากัน",
      "slice_count": 1,
      "slices": "อะไรมีความสำคัญมากกว่ากัน|",
      "edit_duration": 10.086,
      "isForceout": false
    },
    {
      "message_id": 875,
      "editor_id": 33,
      "message_received": "คูณใช่ไหมคะ อันนี้คือมากสุด",
      "slice_count": 2,
      "slices": "คูณใช่ไหมคะ| อันนี้คือมากสุด|",
      "edit_duration": 7.154,
      "isForceout": false
    },
    {
      "message_id": 876,
      "editor_id": 33,
      "message_received": "มากสุด",
      "slice_count": 1,
      "slices": "มากสุด|",
      "edit_duration": 6.224,
      "isForceout": false
    },
    {
      "message_id": 877,
      "editor_id": 33,
      "message_received": "เพราะฉะนั้น เรา",
      "slice_count": 1,
      "slices": "เพราะฉะนั้น เรา|",
      "edit_duration": 4.68,
      "isForceout": false
    },
    {
      "message_id": 878,
      "editor_id": 33,
      "message_received": "ทำอะไรก่อน 5+2 หรือเอา 2",
      "slice_count": 2,
      "slices": "ทำอะไรก่อน| 5+2 |",
      "edit_duration": 0.68,
      "isForceout": false
    },
    {
      "message_id": 879,
      "editor_id": 33,
      "message_received": "หรือเอา 2 x 2 2 x 2",
      "slice_count": 2,
      "slices": "หรือเอา 2 x 2 | 2 x 2|",
      "edit_duration": 8.416,
      "isForceout": false
    },
    {
      "message_id": 880,
      "editor_id": 33,
      "message_received": "เป็น 4 4 + 5",
      "slice_count": 2,
      "slices": "เป็น 4 |4 + 5|",
      "edit_duration": 7.391,
      "isForceout": false
    },
    {
      "message_id": 881,
      "editor_id": 33,
      "message_received": "5 เป็นเท่าไหร่คะ",
      "slice_count": 1,
      "slices": " เป็นเท่าไหร่คะ|",
      "edit_duration": 10.164,
      "isForceout": false
    },
    {
      "message_id": 882,
      "editor_id": 33,
      "message_received": "เป็น 9",
      "slice_count": 1,
      "slices": "เป็น 9|",
      "edit_duration": 7.27,
      "isForceout": false
    },
    {
      "message_id": 883,
      "editor_id": 33,
      "message_received": "โอเค",
      "slice_count": 1,
      "slices": "โอเค|",
      "edit_duration": 4.271,
      "isForceout": false
    },
    {
      "message_id": 884,
      "editor_id": 33,
      "message_received": "ถ้าครูเขียนใหม่",
      "slice_count": 1,
      "slices": "ถ้าครูเขียนใหม่|",
      "edit_duration": 1.452,
      "isForceout": false
    },
    {
      "message_id": 885,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 886,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 887,
      "editor_id": 33,
      "message_received": "เลข 2 หรือ เดี๋ยวนะ",
      "slice_count": 2,
      "slices": "เลข 2 หรือ |เดี๋ยวนะ|",
      "edit_duration": 2.786,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 888,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 889,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 890,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 891,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 892,
      "editor_id": 33,
      "message_received": "โจทย์ข้อนี้",
      "slice_count": 1,
      "slices": "โจทย์ข้อนี้|",
      "edit_duration": 4.274,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 893,
      "editor_id": 33,
      "message_received": "5 คูณ 2",
      "slice_count": 1,
      "slices": "5 คูณ 2|",
      "edit_duration": 3.401,
      "isForceout": false
    },
    {
      "message_id": 894,
      "editor_id": 33,
      "message_received": "เท่ากับ 12 คนอื่น",
      "slice_count": 2,
      "slices": "เท่ากับ 12 |คนอื่น|",
      "edit_duration": 2.094,
      "isForceout": false
    },
    {
      "message_id": 895,
      "editor_id": 33,
      "message_received": "ได้ไหมคะ เห็นไหม ตัวเลขเดียวกันเลย",
      "slice_count": 3,
      "slices": "ได้ไหมคะ |เห็นไหม| ตัวเลขเดียวกันเลย|",
      "edit_duration": 0.614,
      "isForceout": false
    },
    {
      "message_id": 896,
      "editor_id": 33,
      "message_received": "สลับแล้วก็คเครื่องหมายมีเหมือนกันเล",
      "slice_count": 1,
      "slices": "สลับแล้วก็คเครื่องหมายมีเหมือนกันเลย|",
      "edit_duration": 4.67,
      "isForceout": false
    },
    {
      "message_id": 897,
      "editor_id": 33,
      "message_received": "แค่สลับตำแหน่งค่าก็เปลี่ยนแล้ว",
      "slice_count": 1,
      "slices": "แค่สลับตำแหน่งค่าก็เปลี่ยนแล้ว|",
      "edit_duration": 3.607,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 898,
      "editor_id": 33,
      "message_received": "ทันไหมคะ คูณกับบวกแสดงว่า",
      "slice_count": 3,
      "slices": "ทันไหมคะ| คูณกับบวก| แสดงว่า|",
      "edit_duration": 2.198,
      "isForceout": false
    },
    {
      "message_id": 899,
      "editor_id": 33,
      "message_received": "ทำคูณก่อน 5 คูณ 2 เป็",
      "slice_count": 2,
      "slices": "ทำคูณก่อน| 5 คูณ 2 |",
      "edit_duration": 2.101,
      "isForceout": false
    },
    {
      "message_id": 900,
      "editor_id": 33,
      "message_received": "เป็น 10 10 + 2 เป็น 12",
      "slice_count": 2,
      "slices": "เป็น 10 |10 + 2 เป็น 12|",
      "edit_duration": 2.245,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 901,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 902,
      "editor_id": 33,
      "message_received": "โอเค",
      "slice_count": 1,
      "slices": "โอเค|",
      "edit_duration": 0.643,
      "isForceout": false
    },
    {
      "message_id": 903,
      "editor_id": 33,
      "message_received": "เอาตัวนี้บวกกันก่อน... คูณกันก่อนนะคะ",
      "slice_count": 3,
      "slices": "เอาตัวนี้บวกกันก่อน... |คูณกันก่อนนะคะ|  |",
      "edit_duration": 1.465,
      "isForceout": false
    },
    {
      "message_id": 904,
      "editor_id": 33,
      "message_received": "5 x 2 เป็น 10 แล้ว 10 ค่อยมาบวกกับ",
      "slice_count": 2,
      "slices": "5 x 2 เป็น 10 |แล้ว 10 ค่อยมาบวกกับ|",
      "edit_duration": 1.808,
      "isForceout": false
    },
    {
      "message_id": 905,
      "editor_id": 33,
      "message_received": "2 โอเค",
      "slice_count": 2,
      "slices": "2 |โอเค |",
      "edit_duration": 0.886,
      "isForceout": false
    },
    {
      "message_id": 906,
      "editor_id": 33,
      "message_received": "จะเห็นว่า",
      "slice_count": 1,
      "slices": "จะเห็นว่า|",
      "edit_duration": 0.895,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 907,
      "editor_id": 33,
      "message_received": "อันนี้คือเราคิดใช่ไหม",
      "slice_count": 1,
      "slices": "อันนี้คือเราคิดใช่ไหม|",
      "edit_duration": 0.786,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " อันนี้คือเราคิด|",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": true
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": true
    },
    {
      "message_id": 908,
      "editor_id": 33,
      "message_received": "แล้วเราจะสั่งให้คอมพิวเตอณ์เข้สา",
      "slice_count": 1,
      "slices": "แล้วเราจะสงั่งให้คอมพิวเตอณ์เข้|",
      "edit_duration": 16.023,
      "isForceout": true
    },
    {
      "message_id": 909,
      "editor_id": 33,
      "message_received": "เข้าใจแบบที่เราคิดเมื่อกี้ได้อย่างไร",
      "slice_count": 1,
      "slices": "เข้าใจแบบที่เราคิดเมื่อกี้ได้อย่างไร|",
      "edit_duration": 16.033,
      "isForceout": true
    },
    {
      "message_id": 910,
      "editor_id": 33,
      "message_received": "รู้ว่าถ้าเจอคูณนี่ต้องทำคูณก่อนเลย",
      "slice_count": 1,
      "slices": "รู้ว่าถ้าเจอคูณนี่ต้องทำคูณก่อนเลย|",
      "edit_duration": 14.398,
      "isForceout": false
    },
    {
      "message_id": 911,
      "editor_id": 33,
      "message_received": "เจอวงเล็บเปิด ต้องทำวงเล็บเปิด",
      "slice_count": 2,
      "slices": "เจอวงเล็บเปิด| ต้องทำเปิด|",
      "edit_duration": 12.875,
      "isForceout": true
    },
    {
      "message_id": 912,
      "editor_id": 33,
      "message_received": "ตอนนี้เราจะสั่งให้คอมพิวเตอร์นี่สามารถคำนวณ",
      "slice_count": 1,
      "slices": "นังให้คอมพิวเตอร์นี่สามารถคำนวณ|",
      "edit_duration": 16.007,
      "isForceout": true
    },
    {
      "message_id": 913,
      "editor_id": 33,
      "message_received": "ให้ได้แบบที่เราคำนวณเมื่อกี้",
      "slice_count": 2,
      "slices": "ให้ได้แบบที่เราคำนวณเมื่อกี|้|",
      "edit_duration": 15.021,
      "isForceout": false
    },
    {
      "message_id": 914,
      "editor_id": 33,
      "message_received": "เราใช้",
      "slice_count": 1,
      "slices": "เราใช้|",
      "edit_duration": 11.874,
      "isForceout": false
    },
    {
      "message_id": 915,
      "editor_id": 33,
      "message_received": "Stack เข้ามาช่วยในการคำนวณนะคะ",
      "slice_count": 2,
      "slices": "Stack |เข้ามาช่วยในการคำนวณนะคะ |",
      "edit_duration": 8.964,
      "isForceout": false
    },
    {
      "message_id": 916,
      "editor_id": 33,
      "message_received": "เราใช้ Stack เข้ามาในการคำนวณ",
      "slice_count": 1,
      "slices": "เราใช้ Stack เข้ามาในการคำนวณ|",
      "edit_duration": 10.15,
      "isForceout": false
    },
    {
      "message_id": 917,
      "editor_id": 33,
      "message_received": "วิธีการทำแบบไหน",
      "slice_count": 1,
      "slices": "วิธีการทำแบบไหน|",
      "edit_duration": 7.03,
      "isForceout": false
    },
    {
      "message_id": 918,
      "editor_id": 33,
      "message_received": "มาดูวิธีการนะคะ เรามีตัวเลขอยู่ชุดหนึ่ง",
      "slice_count": 2,
      "slices": "มาดูวิธีการนะคะ |เรามีตัวเลขอยู่ชุดหนึ่ง|",
      "edit_duration": 4.613,
      "isForceout": false
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      "message_received": "เราต้องการหาค่าออกมา เช่น",
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      "slices": "เราต้องการหาค่าออกมา |เช่น|",
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      "editor_id": 33,
      "message_received": "ครูมีตัวเลขชุดนี้ล่ะ",
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      "slices": "ครูมีตัวเลขชุดนี้ล่ะ|",
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      "editor_id": 33,
      "message_received": "ครูสั่งให้คอมพิวเตอร์คำนวณ จะต้องได้ผลลัพธ์ 9",
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    {
      "message_id": 922,
      "editor_id": 33,
      "message_received": "คอมพิวเตอร์จะคิดแบบไหนนะคะ",
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      "slices": "คอมพิวเตอร์จะคิดแบบไหนนะคะ |",
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      "message_received": "1 เราต้องสร้างตารางแบบนี้ก่อน",
      "slice_count": 1,
      "slices": "1 เราต้องสร้างตารางแบบนี้ก่อน|",
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      "message_id": 924,
      "editor_id": 33,
      "message_received": "มี 3 ช่อง ช่องแรก คือ ใส่ Input",
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      "slices": "มี 3 ช่อง |ช่องแรก คือ ใส่ Input|",
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      "slice_count": 1,
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    {
      "message_id": 925,
      "editor_id": 33,
      "message_received": "ก็คือข้อมูลนำเข้า Stack",
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      "slices": "ก็คือข้อมูลนำเข้า Stack|",
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    {
      "message_id": 926,
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      "message_received": "แล้วก็ผลลัพธ์นะคะ",
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      "slices": "แล้วก็ผลลัพธ์นะคะ |",
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      "message_id": 927,
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      "message_received": "เรามีวิธีการทำนี่ 2 ช่วงด้วยกัน ช่วงที่ 1",
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      "slices": "เรามีวิธีการทำนี่ 2 ช่วงด้วยกัน |ช่วงที่ 1|",
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    {
      "message_id": 928,
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      "message_received": "ต้องแปลงนิพจน์",
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      "slices": "ต้องแปลงนิพจน์|",
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": "ระค|",
      "edit_duration": 0,
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    },
    {
      "message_id": 929,
      "editor_id": 33,
      "message_received": "แบบ Postfix เ",
      "slice_count": 1,
      "slices": "แบบ Postfix |",
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      "isForceout": true
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    {
      "message_id": 930,
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      "message_received": "ไปไว้ข้างหลังให้หมดก่อน เอาเครื่องหมาย",
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      "slices": "ปไว้ข้างหลังให้หมดก่อน |เอาเครื่องหมาย|",
      "edit_duration": 14.435,
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    {
      "message_id": 931,
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      "message_received": "ไปไว้ข้างหลังให้หมดก่อนนะคะ แล้วค่อยคำนวณออกมาเป็น",
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      "slices": "ไปไว้ข้างหลังให้หมดก่อนนะคะ |แล้วค่อยคำนวณออกมาเป็น|",
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    },
    {
      "message_id": 932,
      "editor_id": 33,
      "message_received": "ตัวเลข ผลลัพธ์",
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      "slices": "ตัวเลข |ผลลัพธ์|",
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    },
    {
      "message_id": 933,
      "editor_id": 33,
      "message_received": "เรามี 3 ช่องนะ ทุกคนต้องตีตาราง 3 ช่อง",
      "slice_count": 2,
      "slices": "เรามี 3 ช่องนะ| ทุกคนต้องตีตาราง 3 ช่อง|",
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      "isForceout": false
    },
    {
      "message_id": 934,
      "editor_id": 33,
      "message_received": "อันแรกเขียนว่า Input Stack แล้วก็ O",
      "slice_count": 2,
      "slices": "อันแรกเขียนว่า Input |Stack แล้วก็ Output |",
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      "isForceout": true
    },
    {
      "message_id": 935,
      "editor_id": 33,
      "message_received": "นะคะ ถัดมา",
      "slice_count": 2,
      "slices": "นะคะ| ถัดมา|",
      "edit_duration": 13.685,
      "isForceout": false
    },
    {
      "message_id": 936,
      "editor_id": 33,
      "message_received": "ขั้นตอนวิธีการแปลง",
      "slice_count": 1,
      "slices": "ขั้นตอนวิธีการแปลง|",
      "edit_duration": 11.352,
      "isForceout": false
    },
    {
      "message_id": 937,
      "editor_id": 33,
      "message_received": "จาก Infix ให้เป็น Po",
      "slice_count": 1,
      "slices": "จาก Infix ให้เป็น Po|",
      "edit_duration": 16.032,
      "isForceout": true
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": "stfix|",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 938,
      "editor_id": 33,
      "message_received": "ทุกคนมีชีตที่ครูให้ แบบนี้เลย",
      "slice_count": 2,
      "slices": "ทุกคนมีชีตที่ครูให้| แบบนี้เลย|",
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      "isForceout": true
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    {
      "message_id": 939,
      "editor_id": 33,
      "message_received": "ก็คือสิ่งที่อยู่บนสไลด์นะคะ ครูพรินต์ออกมาให้",
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      "slices": "ก็คือสิ่งที่อยู่บนสไลด์นะคะ |ครูพรินต์ออกมาให้|",
      "edit_duration": 13.496,
      "isForceout": false
    },
    {
      "message_id": 940,
      "editor_id": 33,
      "message_received": "เรามีอยู่ทั้งหมด 7 ขั้นตอนด้ว",
      "slice_count": 1,
      "slices": "เรามีอยู่ทั้งหมด 7 ขั้นตอนด้วย|",
      "edit_duration": 14.673,
      "isForceout": false
    },
    {
      "message_id": 941,
      "editor_id": 33,
      "message_received": "ทั้งหมด 7 ขั้นตอนด้วยกัน",
      "slice_count": 1,
      "slices": "ทั้งหมด 7 ขั้นตอนด้วยกัน|",
      "edit_duration": 16.031,
      "isForceout": true
    },
    {
      "message_id": 942,
      "editor_id": 33,
      "message_received": "มีทั้งหมด 7 ขั้นตอนด้วยกัน ครูให้เวลา",
      "slice_count": 1,
      "slices": "มีทั้งหมด 7 ขั้นตอนด้วยกัน ครูให้เวลา|",
      "edit_duration": 16.027,
      "isForceout": true
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    {
      "message_id": 943,
      "editor_id": 33,
      "message_received": "2 นาที อ่าน 7 ขั้นตอนน",
      "slice_count": 1,
      "slices": "2 นาที อ่าน 7 ขั้นตอนน|",
      "edit_duration": 16.018,
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    {
      "message_id": 944,
      "editor_id": 33,
      "message_received": "นี้ในกระดาษของตัวเองสิคะ",
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      "slices": "",
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    {
      "message_id": 945,
      "editor_id": 33,
      "message_received": "ให้อ่านในกระดาษนะ หรือจะอ่านจากหน้าจอก็ได้",
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      "slices": "ให้อ่านในกระดาษนะ |หรือจะอ่านจากหน้าจอก็ได้|",
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    {
      "message_id": 946,
      "editor_id": 33,
      "message_received": "ให้เวลา 2 นาทีอยากให้อ่านก่อน",
      "slice_count": 1,
      "slices": "ให้เวลา 2 นาทีอยากให้อ่านก่อน|",
      "edit_duration": 8.29,
      "isForceout": false
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      "message_id": 947,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
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      "isForceout": false
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      "message_id": 948,
      "editor_id": 33,
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      "message_id": 949,
      "editor_id": 33,
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      "editor_id": 33,
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      "editor_id": 33,
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      "slices": "",
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      "editor_id": 33,
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      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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      "editor_id": 33,
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      "slice_count": 0,
      "slices": "",
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      "message_id": 956,
      "editor_id": 33,
      "message_received": "",
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      "slices": "",
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      "message_id": 957,
      "editor_id": 33,
      "message_received": "",
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      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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      "message_id": 958,
      "editor_id": 33,
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      "slices": "",
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      "editor_id": 33,
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      "editor_id": 33,
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      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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      "editor_id": 33,
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      "slices": "",
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      "editor_id": 33,
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      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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      "editor_id": 33,
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      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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      "editor_id": 33,
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      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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      "editor_id": 33,
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      "slices": "",
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      "isForceout": false
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      "editor_id": 33,
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      "slices": "",
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      "isForceout": false
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      "message_id": 967,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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      "message_id": 968,
      "editor_id": 33,
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      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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      "message_id": 971,
      "editor_id": 33,
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      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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      "editor_id": 33,
      "message_received": "",
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      "slices": "",
      "edit_duration": 0,
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      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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      "message_id": 974,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
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      "message_id": 975,
      "editor_id": 33,
      "message_received": "คราวนี้เดี๋ยวมาดูพร้อมกัน",
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      "slices": "คราวนี้เดี๋ยวมาดูพร้อมกัน|",
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    {
      "message_id": 976,
      "editor_id": 33,
      "message_received": "เรามีอยู่ทั้งหมด 7 ขั้นตอนนะคะ เดี๋ยวเราจะ",
      "slice_count": 2,
      "slices": "เรามีอยู่ทั้งหมด 7 ขั้นตอนนะคะ |เดี๋ยวเราจะ|",
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    {
      "message_id": 977,
      "editor_id": 33,
      "message_received": "ลองฝึกนะ แล้วก็เทียบ",
      "slice_count": 2,
      "slices": "ลองฝึกนะ| แล้วก็เทียบ|",
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      "isForceout": false
    },
    {
      "message_id": 978,
      "editor_id": 33,
      "message_received": "ไปทีละขั้น",
      "slice_count": 1,
      "slices": "ไปทีละขั้น|",
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      "isForceout": false
    },
    {
      "message_id": 979,
      "editor_id": 33,
      "message_received": "ขั้นที่ 1 นะคะ กำหนดให้ Stack ว่าง",
      "slice_count": 2,
      "slices": "ขั้นที่ 1 นะคะ |กำหนดให้ Stack ว่าง|",
      "edit_duration": 0.536,
      "isForceout": false
    },
    {
      "message_id": 980,
      "editor_id": 33,
      "message_received": "ก็คือวาดตาราง 3 ช่องนี้",
      "slice_count": 1,
      "slices": "ก็คือวาดตาราง 3 ช่องนี้|",
      "edit_duration": 1.328,
      "isForceout": false
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " ใช่ไหมคะ|",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 981,
      "editor_id": 33,
      "message_received": "อันดับแรก สร้าง Stack ว่าง ก็คือวาด",
      "slice_count": 3,
      "slices": "อันดับแรก |สร้าง Stack ว่าง |ก็คือวาด|",
      "edit_duration": 4.493,
      "isForceout": false
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    {
      "message_id": 982,
      "editor_id": 33,
      "message_received": "3 ช่องนะคะ กี่แถวยังไม่รู้นะ",
      "slice_count": 2,
      "slices": "3 ช่องนะคะ| กี่แถวยังไม่รู้นะ|",
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    {
      "message_id": 983,
      "editor_id": 33,
      "message_received": "แต่มีอยู่ 3 คอลัมน์",
      "slice_count": 1,
      "slices": "แต่มีอยู่ 3 คอลัมน์นะคะ|",
      "edit_duration": 3.365,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " 3 ช่อ|",
      "edit_duration": 0,
      "isForceout": true
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": "ง|",
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      "isForceout": false
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " นี่คืออับดับแรก|",
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      "isForceout": false
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    {
      "message_id": 984,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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      "message_id": 985,
      "editor_id": 33,
      "message_received": "อันดับที่ 2",
      "slice_count": 1,
      "slices": "อันดับที่ 2|",
      "edit_duration": 11.709,
      "isForceout": false
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    {
      "message_id": 986,
      "editor_id": 33,
      "message_received": "อ่านข้อมูลจากซ้ายไปขวา ก็คือ",
      "slice_count": 2,
      "slices": "อ่านข้อมูลจากซ้ายไปขวา| ก็คือ|",
      "edit_duration": 8.45,
      "isForceout": false
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    {
      "message_id": 987,
      "editor_id": 33,
      "message_received": "อ่านข้อมูลทีละตัวใช่ไหมคะ เลข 5",
      "slice_count": 2,
      "slices": "อ่านข้อมูลทีละตัวใช่ไหมคะ| เลข 5|",
      "edit_duration": 5.935,
      "isForceout": false
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    {
      "message_id": 988,
      "editor_id": 33,
      "message_received": "เครื่องหมายบวก เลข เครื่องหมายคูณ แล้วก็เลข 2",
      "slice_count": 2,
      "slices": "เครื่องหมายบวก| เลข 2 เครื่องหมายคูณ |",
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      "isForceout": false
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    {
      "message_id": 989,
      "editor_id": 33,
      "message_received": "อันนี้คืออ่านจากซ้ายไปขวา",
      "slice_count": 1,
      "slices": "อันนี้คืออ่านจากซ้ายไปขวา|",
      "edit_duration": 13.252,
      "isForceout": false
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    {
      "message_id": 990,
      "editor_id": 33,
      "message_received": "ทีละตัวนะคะ แล้วก็อ่านเข้ามาทีละตัว",
      "slice_count": 2,
      "slices": "ทีละตัวนะคะ| แล้วก็อ่านเข้ามาทีละตัว|",
      "edit_duration": 10.639,
      "isForceout": false
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    {
      "message_id": 991,
      "editor_id": 33,
      "message_received": "สมมติครูใช้ตัวเลขนะคะ",
      "slice_count": 1,
      "slices": "สมมติครูใช้ตัวเลขนะคะ |",
      "edit_duration": 9.109,
      "isForceout": false
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    {
      "message_id": 992,
      "editor_id": 33,
      "message_received": "ตัวเลขนะคะ เช่น",
      "slice_count": 2,
      "slices": "ตัวเลขนะคะ| เช่น|",
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      "isForceout": false
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      "message_id": 993,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 994,
      "editor_id": 33,
      "message_received": "อ่านข้อมูลจากซ้ายไปขวา ตัวแรก ก็คือ",
      "slice_count": 3,
      "slices": "อ่านข้อมูลจากซ้ายไปขวา| ตัวแรก| ก็คือ|",
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      "isForceout": false
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    {
      "message_id": 995,
      "editor_id": 33,
      "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": 33,
      "message_received": "นะคะ ก็คือเลข 5 ถัดมา",
      "slice_count": 3,
      "slices": "นะคะ |ก็คือเลข 5 |ถัดมา |",
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      "isForceout": false
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    {
      "message_id": 997,
      "editor_id": 33,
      "message_received": "ถัดมาขั้นถัดมาเป็นขั้นที่ 3",
      "slice_count": 1,
      "slices": "ขั้นถัดมา เป็นขั้นที่ 3|",
      "edit_duration": 6.534,
      "isForceout": false
    },
    {
      "message_id": 998,
      "editor_id": 33,
      "message_received": "ถ้าข้อมูลที่อ่านเข้ามา",
      "slice_count": 1,
      "slices": "ถ้าข้อมูลที่อ่านเข้ามา|",
      "edit_duration": 5.188,
      "isForceout": false
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    {
      "message_id": 999,
      "editor_id": 33,
      "message_received": "เป็นตัวเลข เช่น",
      "slice_count": 2,
      "slices": "เป็นตัวเลข |เช่น|",
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      "isForceout": false
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      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1000,
      "editor_id": 33,
      "message_received": "เลข 5 ใช่ไหม ข้อมูลที่เราอ่านเข้ามา",
      "slice_count": 2,
      "slices": "เลข 5 ใช่ไหมคะ| ข้อมูลที่เราอ่านเข้ามา|",
      "edit_duration": 5.322,
      "isForceout": false
    },
    {
      "message_id": 1001,
      "editor_id": 33,
      "message_received": "ทันเป็นตัวเลขใช่ไหม ใช่ เอามัน",
      "slice_count": 2,
      "slices": "5 เป็นตัวเลขใช่ไหม |ใช่ เอามัน|",
      "edit_duration": 12.143,
      "isForceout": false
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    {
      "message_id": 1002,
      "editor_id": 33,
      "message_received": "ไปไว้ที่ไหน เอามันไปไว้ที่ช่องผลลัพธ์ ก็คือ",
      "slice_count": 3,
      "slices": "ไปไว้ที่ไหน |เอามันไปไว้ที่ช่องผลลัพธ์ |ก็คือ|",
      "edit_duration": 10.444,
      "isForceout": false
    },
    {
      "message_id": 1003,
      "editor_id": 33,
      "message_received": "ช่องสุดท้าย",
      "slice_count": 1,
      "slices": "ช่องสุดท้าย|",
      "edit_duration": 8.277,
      "isForceout": false
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    {
      "message_id": 1004,
      "editor_id": 33,
      "message_received": "ก็คือช่องนี้ใช่ไหมคะ ช่อง Output",
      "slice_count": 2,
      "slices": "ก็คือช่องนี้ใช่ไหมคะ |ช่อง Output|",
      "edit_duration": 5.225,
      "isForceout": false
    },
    {
      "message_id": 1005,
      "editor_id": 33,
      "message_received": "ถัดมา ถ้าตัวที",
      "slice_count": 1,
      "slices": "ถัดมา ถ้าตัวที่|",
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      "isForceout": false
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    {
      "message_id": 1006,
      "editor_id": 33,
      "message_received": "เราอ่านเข้ามานี่มันไม่ใช่ตัวเลข แสดงว่า",
      "slice_count": 2,
      "slices": "เราอ่านเข้ามานี่มันไม่ใช่ตัวเลข| แสดงว่า|",
      "edit_duration": 9.305,
      "isForceout": false
    },
    {
      "message_id": 1007,
      "editor_id": 33,
      "message_received": "มันต้องเป็นเครื่องหมายทางคณิตศาสตร์",
      "slice_count": 1,
      "slices": "มันต้องเป็นเครื่องหมายทางคณิตศาสตร์|",
      "edit_duration": 7.073,
      "isForceout": false
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    {
      "message_id": 1008,
      "editor_id": 33,
      "message_received": "อะไรสักอย่างหนึ่งนี่ล่ะ เช่น เครื่องหมายบวก",
      "slice_count": 2,
      "slices": "อะไรสักอย่างหนึ่งนี่ล่ะ| เช่น เครื่องหมายบวก|",
      "edit_duration": 3.838,
      "isForceout": false
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1009,
      "editor_id": 33,
      "message_received": "เครื่องหมายบวกใช่ไหมคะ เครื่องหมายบวก",
      "slice_count": 2,
      "slices": "ใช่ไหมคะ |เครื่องหมายบวก|",
      "edit_duration": 6.226,
      "isForceout": false
    },
    {
      "message_id": 1010,
      "editor_id": 33,
      "message_received": "เราอ่านเครื่องหมายบวกเข้ามา",
      "slice_count": 1,
      "slices": "เราอ่านเครื่องหมายบวกเข้ามา|",
      "edit_duration": 4.407,
      "isForceout": false
    },
    {
      "message_id": 1011,
      "editor_id": 33,
      "message_received": "แล้วเขาให้เราเช็กก่อน ว่า",
      "slice_count": 2,
      "slices": "แล้วเขาให้เราเช็กก่อน |ว่า|",
      "edit_duration": 2.879,
      "isForceout": false
    },
    {
      "message_id": 1012,
      "editor_id": 33,
      "message_received": "แล้วใน Stack มันมีค่าอยู่หรือเปล่า Stack ในช่องนี่",
      "slice_count": 2,
      "slices": "แล้วใน Stack มันมีค่าอยู่หรือเปล่า |Stack ก็คือ|",
      "edit_duration": 2.302,
      "isForceout": false
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    {
      "message_id": 1013,
      "editor_id": 33,
      "message_received": "ช่องนี้ ช่องที่ 2 นี่ มัน",
      "slice_count": 2,
      "slices": "ช่องนี้ |ช่องที่ 2 นี่ มัน|",
      "edit_duration": 10.156,
      "isForceout": false
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    {
      "message_id": 1014,
      "editor_id": 33,
      "message_received": "มีค่าอยู่ไหม ถ้ามันไม่มีค่าอยู่เลย",
      "slice_count": 2,
      "slices": "มีค่าอยู่ไหม| ถ้ามันไม่มีค่าอยู่เลย|",
      "edit_duration": 9.346,
      "isForceout": false
    },
    {
      "message_id": 1015,
      "editor_id": 33,
      "message_received": "ก็หย่อนมันลงไปใน Stack",
      "slice_count": 1,
      "slices": "ก็หย่อนมันลงไปใน Stack|",
      "edit_duration": 6.614,
      "isForceout": false
    },
    {
      "message_id": 1016,
      "editor_id": 33,
      "message_received": "แต่ถ้าใน Stack มันมีข้อมูล",
      "slice_count": 1,
      "slices": "แต่ถ้าใน Stack มันมีข้อมูล|",
      "edit_duration": 5.109,
      "isForceout": false
    },
    {
      "message_id": 1017,
      "editor_id": 33,
      "message_received": "อยู่แล้ว เราจะต้องทำการ",
      "slice_count": 2,
      "slices": "อยู่แล้ว| เราจะต้องทำการ|",
      "edit_duration": 1.109,
      "isForceout": false
    },
    {
      "message_id": 1018,
      "editor_id": 33,
      "message_received": "เปรียบเทียบก่อน ว่าข้อมูล",
      "slice_count": 2,
      "slices": "เปรียบเทียบก่อน| ว่าข้อมูล|",
      "edit_duration": 0.494,
      "isForceout": false
    },
    {
      "message_id": 1019,
      "editor_id": 33,
      "message_received": "ที่เราอ่านเข้ามานี่",
      "slice_count": 1,
      "slices": "ที่เราอ่านเข้ามานี่|",
      "edit_duration": 0.846,
      "isForceout": false
    },
    {
      "message_id": 1020,
      "editor_id": 33,
      "message_received": "มันมีค่ามากกว่า หรือน้อยกว่าตัวที่อยู่ใน",
      "slice_count": 2,
      "slices": "มันมีค่ามากกว่า |หรือน้อยกว่าตัวที่อยู่ใน|",
      "edit_duration": 0.541,
      "isForceout": false
    },
    {
      "message_id": 1021,
      "editor_id": 33,
      "message_received": "Stack",
      "slice_count": 1,
      "slices": "Stack|",
      "edit_duration": 1.305,
      "isForceout": false
    },
    {
      "message_id": 1022,
      "editor_id": 33,
      "message_received": "ถ้ามันมากกว่า",
      "slice_count": 1,
      "slices": "ถ้ามันมากกว่า|",
      "edit_duration": 0.946,
      "isForceout": false
    },
    {
      "message_id": 1023,
      "editor_id": 33,
      "message_received": "ถ้ากรณีที่ตัวที่เราอ่านมีค่ามากกว่า",
      "slice_count": 2,
      "slices": "ถ้ากรณีที่ตัวที่เราอ่านนี่ |มีค่ามากกว่า|",
      "edit_duration": 4.117,
      "isForceout": false
    },
    {
      "message_id": 1024,
      "editor_id": 33,
      "message_received": "ก็หย่อนลงไปใน Stack ได้เลย",
      "slice_count": 1,
      "slices": "ก็หย่อนลงไปใน Stack ได้เลย|",
      "edit_duration": 3.033,
      "isForceout": false
    },
    {
      "message_id": 1025,
      "editor_id": 33,
      "message_received": "ถ้าสิ่งที่",
      "slice_count": 1,
      "slices": "ถ้าสิ่งที่|",
      "edit_duration": 3.027,
      "isForceout": false
    },
    {
      "message_id": 1026,
      "editor_id": 33,
      "message_received": "เราอ่านเข้ามามันมีค่าน้อยกว่าสิ่งที่",
      "slice_count": 2,
      "slices": "เราอ่านเข้ามา| มันมีค่าน้อยกว่าสิ่งที่|",
      "edit_duration": 0.595,
      "isForceout": false
    },
    {
      "message_id": 1027,
      "editor_id": 33,
      "message_received": "อยู่ใน Stack",
      "slice_count": 1,
      "slices": "อยู่ใน Stack|",
      "edit_duration": 0.806,
      "isForceout": false
    },
    {
      "message_id": 1028,
      "editor_id": 33,
      "message_received": "ให้เอาเครื่องหมายใน Stack",
      "slice_count": 1,
      "slices": "ให้เอาเครื่องหมายใน Stack|",
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      "isForceout": false
    },
    {
      "message_id": 1029,
      "editor_id": 33,
      "message_received": "ออกไปไว้ที่ผลลัพธ์",
      "slice_count": 1,
      "slices": "ออกไปไว้ที่ผลลัพธ์|",
      "edit_duration": 1.254,
      "isForceout": false
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    {
      "message_id": 1030,
      "editor_id": 33,
      "message_received": "แล้วเอาเครื่องหมายตัวที่เราอ่านเข้ามาหย่อนลงไปใน Stack",
      "slice_count": 2,
      "slices": "แล้วเอาเครื่องหมาย|ตัวที่เราอ่านเข้ามาหย่อนลงไปใน Stack|",
      "edit_duration": 4.061,
      "isForceout": false
    },
    {
      "message_id": 1031,
      "editor_id": 33,
      "message_received": "โอเค",
      "slice_count": 1,
      "slices": "โอเค|",
      "edit_duration": 3.016,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1032,
      "editor_id": 33,
      "message_received": "ถ้า",
      "slice_count": 1,
      "slices": "ถ้า|",
      "edit_duration": 4.333,
      "isForceout": false
    },
    {
      "message_id": 1033,
      "editor_id": 33,
      "message_received": "เราอ่านจนครบข้อมูล",
      "slice_count": 1,
      "slices": "เราอ่านจนครบข้อมูล|",
      "edit_duration": 2.577,
      "isForceout": false
    },
    {
      "message_id": 1034,
      "editor_id": 33,
      "message_received": "ทุกตัวแล้ว เรายังมีข้อมูลอยู่ใน Stack",
      "slice_count": 2,
      "slices": "ทุกตัวแล้ว| เรายังมีข้อมูลอยู่ใน Stack|",
      "edit_duration": 0.463,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1035,
      "editor_id": 33,
      "message_received": "เราก็ดึงมันออกมา ก็คือ Pop มันออกมา",
      "slice_count": 2,
      "slices": "เราก็ดึงมันออกมา |ก็คือ Pop มันออกมา|",
      "edit_duration": 0.772,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": "นะคะ|",
      "edit_duration": 0,
      "isForceout": false
    },
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      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1036,
      "editor_id": 33,
      "message_received": "เป็นผลลัพธ์",
      "slice_count": 1,
      "slices": "เป็นผลลัพธ์|",
      "edit_duration": 3.352,
      "isForceout": false
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1037,
      "editor_id": 33,
      "message_received": "มาดูตัวอย่างนะ ทุกคนถือ... ดุตัวอย่าง",
      "slice_count": 2,
      "slices": "มาดูตัวอย่างนะ |ทุกคนถือ... ดูกระดาษ|",
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      "isForceout": false
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      "message_id": 1038,
      "editor_id": 33,
      "message_received": "ที่เป็นขั้นตอนด้วยนะคะ",
      "slice_count": 1,
      "slices": "ที่เป็นขั้นตอนด้วยนะคะ |",
      "edit_duration": 11.693,
      "isForceout": false
    },
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      "message_id": 1039,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1040,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1041,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1042,
      "editor_id": 33,
      "message_received": "โอเค",
      "slice_count": 1,
      "slices": "โอเค|",
      "edit_duration": 1.839,
      "isForceout": false
    },
    {
      "message_id": 1043,
      "editor_id": 33,
      "message_received": "โจทย์",
      "slice_count": 1,
      "slices": "โจทย์|",
      "edit_duration": 2.312,
      "isForceout": false
    },
    {
      "message_id": 1044,
      "editor_id": 33,
      "message_received": "ที่ครูให้ ทุกคนดูที่หน้าจอนะคะ",
      "slice_count": 2,
      "slices": "ที่ครูให้ |ทุกคนดูที่หน้าจอนะคะ |",
      "edit_duration": 0.588,
      "isForceout": false
    },
    {
      "message_id": 1045,
      "editor_id": 33,
      "message_received": "ครูมีโจทย์",
      "slice_count": 1,
      "slices": "ครูมีโจทย์|",
      "edit_duration": 2.896,
      "isForceout": false
    },
    {
      "message_id": 1046,
      "editor_id": 33,
      "message_received": "มาให้นะคะ ก็คือ 5 + 2",
      "slice_count": 2,
      "slices": "มาให้นะคะ| ก็คือ 5 + 2|",
      "edit_duration": 1.238,
      "isForceout": false
    },
    {
      "message_id": 1047,
      "editor_id": 33,
      "message_received": "x 2",
      "slice_count": 1,
      "slices": "x 2|",
      "edit_duration": 0.715,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1048,
      "editor_id": 33,
      "message_received": "อันดับแรกครูต้องทำอะไร",
      "slice_count": 1,
      "slices": "อันดับแรกครูต้องทำอะไร|",
      "edit_duration": 1.101,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " ครูต้องวาดตารางก่อน|",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1049,
      "editor_id": 33,
      "message_received": "อันดับแรกวาดตาราง 3 ช่อง",
      "slice_count": 1,
      "slices": "อันดับแรกวาดตาราง 3 ช่อง|",
      "edit_duration": 10.106,
      "isForceout": false
    },
    {
      "message_id": 1050,
      "editor_id": 33,
      "message_received": "วาดตาราง 3 ช่อง จำนวนแถว",
      "slice_count": 2,
      "slices": "วาดตาราง 3 ช่อง |จำนวนแถว|",
      "edit_duration": 7.071,
      "isForceout": false
    },
    {
      "message_id": 1051,
      "editor_id": 33,
      "message_received": "ก็เอาข้อมูลตัวเลขกับเครื่องหมาย",
      "slice_count": 1,
      "slices": "ก็เอาข้อมูลตัวเลขกับเครื่องหมาย|",
      "edit_duration": 5.281,
      "isForceout": false
    },
    {
      "message_id": 1052,
      "editor_id": 33,
      "message_received": "มาใส่ทีละบรรทัด 5",
      "slice_count": 2,
      "slices": "มาใส่ทีละบรรทัด| 5 บรรทัด|",
      "edit_duration": 2.911,
      "isForceout": false
    },
    {
      "message_id": 1053,
      "editor_id": 33,
      "message_received": "ที่ 1 ถูกไหมคะ บวกบรรทัด",
      "slice_count": 2,
      "slices": "ที่ 1 ถูกไหมคะ| บวกบรรทัด|",
      "edit_duration": 6.957,
      "isForceout": false
    },
    {
      "message_id": 1054,
      "editor_id": 33,
      "message_received": "ใส่เลข 2 บรรทัดถัดมาใส่เครื่องหมายคูณ",
      "slice_count": 2,
      "slices": "ใส่เลข 2| บรรทัดถัดมาใส่เครื่องหมายคูณ|",
      "edit_duration": 5.118,
      "isForceout": false
    },
    {
      "message_id": 1055,
      "editor_id": 33,
      "message_received": "แล้วก็ใส่เลข 2",
      "slice_count": 1,
      "slices": "แล้วก็ใส่เลข 2|",
      "edit_duration": 2.953,
      "isForceout": false
    },
    {
      "message_id": 1056,
      "editor_id": 33,
      "message_received": "เราก็จะวาดตารางเรียบร้อยแล้วใช่ไหมคะ จำนวนแถว",
      "slice_count": 2,
      "slices": "เราก็จะวาดตารางเรียบร้อยแล้วนะคะ| จำนวนแถว|",
      "edit_duration": 7.661,
      "isForceout": false
    },
    {
      "message_id": 1057,
      "editor_id": 33,
      "message_received": "ขึ้นอยู่กับจำนวนข้อมูล",
      "slice_count": 1,
      "slices": "ขึ้นอยู่กับจำนวนข้อมูล|",
      "edit_duration": 8.32,
      "isForceout": false
    },
    {
      "message_id": 1058,
      "editor_id": 33,
      "message_received": "ในโจทย์ว่ามีกี่ตัว ก็สร้างแถว",
      "slice_count": 3,
      "slices": "ในโจทย์|ว่ามีกี่ตัว |ก็สร้างแถว|",
      "edit_duration": 4.312,
      "isForceout": false
    },
    {
      "message_id": 1059,
      "editor_id": 33,
      "message_received": "ใส่ข้อมูลให้เลย",
      "slice_count": 1,
      "slices": "ใส่ข้อมูลให้เลย|",
      "edit_duration": 4.007,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1060,
      "editor_id": 33,
      "message_received": "เรากำหนด",
      "slice_count": 1,
      "slices": "เรากำหนด|",
      "edit_duration": 2.94,
      "isForceout": false
    },
    {
      "message_id": 1061,
      "editor_id": 33,
      "message_received": "tack ว่างแล้วใช่ไหมคะ",
      "slice_count": 2,
      "slices": "stack ว่างแล้วใช่ไหมคะ| |",
      "edit_duration": 4.34,
      "isForceout": false
    },
    {
      "message_id": 1062,
      "editor_id": 33,
      "message_received": "ถัดมา ต้องอ่านข้อมูลทีละตัว",
      "slice_count": 2,
      "slices": "ถัดมา| ต้องอ่านข้อมูลทีละตัว|",
      "edit_duration": 2.584,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1063,
      "editor_id": 33,
      "message_received": "เราต้องอ่านข้อมูลทีละตัวจากซ้าย",
      "slice_count": 2,
      "slices": "เราต้องอ่านข้อมูลทีละตัว| จากซ้าย|",
      "edit_duration": 1.199,
      "isForceout": false
    },
    {
      "message_id": 1064,
      "editor_id": 33,
      "message_received": "ไปขวา ตัวแรกคืออะไรคะ",
      "slice_count": 2,
      "slices": "ไปขวา |ตัวแรกคืออะไรคะ|",
      "edit_duration": 0.637,
      "isForceout": false
    },
    {
      "message_id": 1065,
      "editor_id": 33,
      "message_received": "คือ 5 ใช่ไหม ครูเขียนเรียงแล้ว",
      "slice_count": 2,
      "slices": "คือ 5 ใช่ไหม |ครูเขียนเรียงแล้ว|",
      "edit_duration": 2.999,
      "isForceout": false
    },
    {
      "message_id": 1066,
      "editor_id": 33,
      "message_received": "5 บวก... มี 2 มีคูณ แล้วก็มี 2",
      "slice_count": 2,
      "slices": "5 บวก... มี 2 มีคูณ |แล้วก็มี 2|",
      "edit_duration": 2.519,
      "isForceout": false
    },
    {
      "message_id": 1067,
      "editor_id": 33,
      "message_received": "อันนี้คือข้อมูลที่เราอ่านจากซ้ายไปขวา",
      "slice_count": 1,
      "slices": "อันนี้คือข้อมูลที่เราอ่านจากซ้ายไปขวา|",
      "edit_duration": 2.403,
      "isForceout": false
    },
    {
      "message_id": 1068,
      "editor_id": 33,
      "message_received": "ตัวแรก เป็นตัวเลขใช่ไหมคะ",
      "slice_count": 2,
      "slices": "ตัวแรก |เป็นตัวเลขใช่ไหมคะ |",
      "edit_duration": 1.373,
      "isForceout": false
    },
    {
      "message_id": 1069,
      "editor_id": 33,
      "message_received": "มันเป็นตัวเลขแล้วมันตรงกับตัวไหน",
      "slice_count": 1,
      "slices": "มันเป็นตัวเลขแล้วมันตรงกับข้อไหน|",
      "edit_duration": 10.294,
      "isForceout": false
    },
    {
      "message_id": 1070,
      "editor_id": 33,
      "message_received": "ในขั้นตอน ข้อ",
      "slice_count": 2,
      "slices": "ในขั้นตอน| ข้อ|",
      "edit_duration": 6.299,
      "isForceout": false
    },
    {
      "message_id": 1071,
      "editor_id": 33,
      "message_received": "3 ที่บอกว่าถ้าเป็นตัวเลข",
      "slice_count": 2,
      "slices": "3 |ที่บอกว่าถ้าเป็นตัวเลข|",
      "edit_duration": 4.17,
      "isForceout": false
    },
    {
      "message_id": 1072,
      "editor_id": 33,
      "message_received": "ให้เอาไปไว้ที่ไหน เอาไปไว้ที่",
      "slice_count": 2,
      "slices": "ให้เอาไปไว้ที่ไหน| เอาไปไว้ที่|",
      "edit_duration": 2.334,
      "isForceout": false
    },
    {
      "message_id": 1073,
      "editor_id": 33,
      "message_received": "ผลลัพธ์ ถ้าเป็น",
      "slice_count": 2,
      "slices": "ผลลัพธ์ |ถ้าเป็น|",
      "edit_duration": 1.103,
      "isForceout": false
    },
    {
      "message_id": 1074,
      "editor_id": 33,
      "message_received": "ตัวเลข เอาไปไว้ที่ผลลัพธ์ได้เลย",
      "slice_count": 1,
      "slices": "ตัวเลขเอาไปไว้ที่ผลลัพธ์ได้เลย|",
      "edit_duration": 2.659,
      "isForceout": false
    },
    {
      "message_id": 1075,
      "editor_id": 33,
      "message_received": "ถัดมา",
      "slice_count": 1,
      "slices": "ถัดมา|",
      "edit_duration": 1.087,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1076,
      "editor_id": 33,
      "message_received": "เจอเครื่องหมายบวกนะคะ เจอเครื่องหมายบวก",
      "slice_count": 2,
      "slices": "เจอเครื่องหมายบวกนะคะ |เจอเครื่องหมายบวก|",
      "edit_duration": 0.937,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1077,
      "editor_id": 33,
      "message_received": "ตอนนี้ใน Stack มันไม่มีค่า",
      "slice_count": 1,
      "slices": "ตอนนี้ใน Stack มันไม่มีค่า|",
      "edit_duration": 2.232,
      "isForceout": false
    },
    {
      "message_id": 1078,
      "editor_id": 33,
      "message_received": "อะไรเลย ทำอย่างไรคะ",
      "slice_count": 2,
      "slices": "อะไรเลย |ทำอย่างไรคะ|",
      "edit_duration": 0.499,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1079,
      "editor_id": 33,
      "message_received": "ก็ใส่ได้เลย ใส่เครื่องหมายบวก",
      "slice_count": 2,
      "slices": "ก็ใส่ได้เลย |ใส่เครื่องหมายบวก|",
      "edit_duration": 1.701,
      "isForceout": false
    },
    {
      "message_id": 1080,
      "editor_id": 33,
      "message_received": "ลงมาได้เลย ถ้ามันเป็น Stack ว่าง เห็นไหมคะ",
      "slice_count": 3,
      "slices": "ลงมาได้เลย| ถ้ามันเป็น Stack ว่าง |เห็นไหมคะ |",
      "edit_duration": 0.89,
      "isForceout": false
    },
    {
      "message_id": 1081,
      "editor_id": 33,
      "message_received": "ตัวบนเป็น Stack ว่าง เราก็เอาใส่ได้เลย",
      "slice_count": 2,
      "slices": "ตัวบนเป็น Stack ว่าง |เราก็เอาบวกใส่ได้เลย|",
      "edit_duration": 3.036,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1082,
      "editor_id": 33,
      "message_received": "แล้วก็เขียน 5 ลงมาเหมือนเดิมนะคะ",
      "slice_count": 1,
      "slices": "แล้วก็เขียน 5 ลงมาเหมือนเดิมนะคะ |",
      "edit_duration": 6.451,
      "isForceout": false
    },
    {
      "message_id": 1083,
      "editor_id": 33,
      "message_received": "ยก 5 ลงมาเหมือนเดิมนะ",
      "slice_count": 1,
      "slices": "ยก 5 ลงมาเหมือนเดิมนะ|",
      "edit_duration": 3.94,
      "isForceout": false
    },
    {
      "message_id": 1084,
      "editor_id": 33,
      "message_received": "ดู ดูพร้อมครูก่อนนะ",
      "slice_count": 2,
      "slices": "ดู |ดูพร้อมครูก่อนนะ|",
      "edit_duration": 2.579,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1085,
      "editor_id": 33,
      "message_received": "เดี๋ยวครู...",
      "slice_count": 1,
      "slices": "เดี๋ยวครู...|",
      "edit_duration": 1.762,
      "isForceout": false
    },
    {
      "message_id": 1086,
      "editor_id": 33,
      "message_received": "จะถ่ายรูป",
      "slice_count": 1,
      "slices": "จะถ่ายรูป|",
      "edit_duration": 1.901,
      "isForceout": false
    },
    {
      "message_id": 1087,
      "editor_id": 33,
      "message_received": "เอาขึ้น Classroom ให้",
      "slice_count": 2,
      "slices": "เอาขึ้น Classroom ให|้|",
      "edit_duration": 2.654,
      "isForceout": false
    },
    {
      "message_id": 1088,
      "editor_id": 33,
      "message_received": "ถัดมา เลข 2 ใช่ไหมคะ เลข 2 มันเป็นอะไร",
      "slice_count": 3,
      "slices": "ถัดมา |เลข 2 ใช่ไหมคะ| เลข 2 มันเป็นอะไร|",
      "edit_duration": 1.167,
      "isForceout": false
    },
    {
      "message_id": 1089,
      "editor_id": 33,
      "message_received": "ตัวเลข เพราะฉะนั้นต้องเอาไปไว้ที่ไหน",
      "slice_count": 2,
      "slices": "มันเป็นตัวเลข |เพราะฉะนั้น ต้องเอาไปไว้ที่ไหน|",
      "edit_duration": 7.395,
      "isForceout": false
    },
    {
      "message_id": 1090,
      "editor_id": 33,
      "message_received": "ไปไว้ที่ผลลัพธ์",
      "slice_count": 1,
      "slices": "ไปไว้ที่ผลลัพธ์|",
      "edit_duration": 8.019,
      "isForceout": false
    },
    {
      "message_id": 1091,
      "editor_id": 33,
      "message_received": "ตรงกับข้อ 3 ในขั้นตอนนะ",
      "slice_count": 1,
      "slices": "ตรงกับข้อ 3 ในขั้นตอนนะ|",
      "edit_duration": 5.489,
      "isForceout": false
    },
    {
      "message_id": 1092,
      "editor_id": 33,
      "message_received": "เอา 2 มาไว้ที่ Output แต่ต้องเขียน",
      "slice_count": 2,
      "slices": "เอา 2 มาไว้ที่ Output |แต่ต้องเขียน|",
      "edit_duration": 3.577,
      "isForceout": false
    },
    {
      "message_id": 1093,
      "editor_id": 33,
      "message_received": "หลัง ก็คือเขียนต่อจากเลข 5",
      "slice_count": 2,
      "slices": "หลัง |ก็คือเขียนต่อจากเลข 5|",
      "edit_duration": 2.606,
      "isForceout": false
    },
    {
      "message_id": 1094,
      "editor_id": 33,
      "message_received": "นะคะ",
      "slice_count": 1,
      "slices": "นะคะ |",
      "edit_duration": 1.051,
      "isForceout": false
    },
    {
      "message_id": 1095,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1096,
      "editor_id": 33,
      "message_received": "ถัดมา",
      "slice_count": 1,
      "slices": "ถัดมา|",
      "edit_duration": 4.735,
      "isForceout": false
    },
    {
      "message_id": 1097,
      "editor_id": 33,
      "message_received": "ยกเครื่องหมายบวกลงมาด้วยนะ",
      "slice_count": 1,
      "slices": "ยกเครื่องหมายบวกลงมาด้วยนะ|",
      "edit_duration": 2.936,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
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      "message_received": "เพราะมันอยู่ใน Stack นะคะ เรายังไม่ได้เอาอะไรออก",
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      "slices": "เพราะมันอยู่ใน Stack นะคะ |เรายังไม่ได้เอาอะไรออก|",
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      "editor_id": 33,
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      "slices": " |",
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      "message_received": "หรือเอาอะไรเข้าเพิ่ม",
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      "slices": "หรือเอาอะไรเข้าเพิ่ม|",
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      "message_id": 1100,
      "editor_id": 33,
      "message_received": "ถัดมา เป็นเครื่องหมายคูณ",
      "slice_count": 1,
      "slices": "ถัดมา เป็นเครื่องหมายคูณ |",
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      "isForceout": false
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    {
      "message_id": 1101,
      "editor_id": 33,
      "message_received": "ใน Stack",
      "slice_count": 1,
      "slices": "ใน Stack|",
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      "isForceout": false
    },
    {
      "message_id": 1102,
      "editor_id": 33,
      "message_received": "เรามีเครื่องหมายบวกอยู่แล้วนะคะ",
      "slice_count": 1,
      "slices": "เรามีเครื่องหมายบวกอยู่แล้วใช่ไหมคะ |",
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      "isForceout": false
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    {
      "message_id": 1103,
      "editor_id": 33,
      "message_received": "ใน Stack นี่เรามีเครื่องหมายบวกอยู่แล้ว",
      "slice_count": 1,
      "slices": "ใน Stack นี่เรามีเครื่องหมายบวกอยู่แล้ว|",
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      "isForceout": false
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      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
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      "isForceout": false
    },
    {
      "message_id": 1104,
      "editor_id": 33,
      "message_received": "ตัวที่เราอ่านเข้ามา คือ คูณ เรา",
      "slice_count": 2,
      "slices": "ตัวที่เราอ่านเข้ามา คือ คูณ |เรา|",
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    {
      "message_id": 1105,
      "editor_id": 33,
      "message_received": "จะต้องทำการเปรียบเทียบ",
      "slice_count": 1,
      "slices": "จะต้องทำการเปรียบเทียบ|",
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    {
      "message_id": 1106,
      "editor_id": 33,
      "message_received": "ค่าที่เราอ่านเข้ามาใหม่ คือ คูณ",
      "slice_count": 2,
      "slices": "ค่าที่เราอ่านเข้ามาใหม่ |คือ คูณ|",
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      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
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    },
    {
      "message_id": 1107,
      "editor_id": 33,
      "message_received": "กับตัวเดิมที่อยู่ใน Stack",
      "slice_count": 1,
      "slices": "กับตัวเดิมที่อยู่ใน Stack|",
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      "isForceout": false
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    {
      "message_id": 1108,
      "editor_id": 33,
      "message_received": "คือ บวก เราเปรียบเทียบ ถูกไหมคะ",
      "slice_count": 3,
      "slices": "คือ บวก |เราเปรียบเทียบ |ถูกไหมคะ |",
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      "isForceout": false
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    {
      "message_id": 1109,
      "editor_id": 33,
      "message_received": "กับตัวบนสุดคือเครื่องหมายบวก สิ่งท",
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      "slices": "กับตัวบนสุด| คือ เครื่องหมายบวก |สิ่งที่เราพบ|",
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      "isForceout": false
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    {
      "message_id": 1110,
      "editor_id": 33,
      "message_received": "คืออะไร คูณมีค่า",
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      "slices": "คืออะไร| คูณมีค่า|",
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    {
      "message_id": 1111,
      "editor_id": 33,
      "message_received": "มากกว่าบวก ให้ทำอย่างไร",
      "slice_count": 2,
      "slices": "มากกว่าบวก |ให้ทำอย่างไร|",
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      "isForceout": false
    },
    {
      "message_id": 1112,
      "editor_id": 33,
      "message_received": "ก็เอาคูณหย่อนลงมาได้เลย",
      "slice_count": 1,
      "slices": "ก็เอาคูณหย่อนลงมาได้เลย|",
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      "isForceout": false
    },
    {
      "message_id": 1113,
      "editor_id": 33,
      "message_received": "ใส่คูณ",
      "slice_count": 1,
      "slices": "ใส่คูณ|",
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      "isForceout": false
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    {
      "message_id": 1114,
      "editor_id": 33,
      "message_received": "ลงไปใน Stack ได้เลยนะคะ ผลลัพธ์ก็เป็นเหมือนเดิม",
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      "slices": "ลงไปใน Stack ได้เลยนะคะ |ผลลัพธ์ก็เป็นเหมือนเดิม|",
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      "isForceout": false
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1115,
      "editor_id": 33,
      "message_received": "ตัวถัดมาคือเลข 2",
      "slice_count": 1,
      "slices": "ตัวถัดมาคือเลข 2|",
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      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
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      "message_id": 1116,
      "editor_id": 33,
      "message_received": "เลข 2 มันเป็นตัวเลขใช่ไหม เอามาไว้ที่",
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      "slices": "เลข 2 มันเป็นตัวเลขใช่ไหม| เอามาไว้ที่|",
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    {
      "message_id": 1117,
      "editor_id": 33,
      "message_received": "ผลลัพธ์นะคะ เอามาต่อด้านหลัง",
      "slice_count": 2,
      "slices": "ผลลัพธ์นะคะ |เอามาต่อด้านหลัง|",
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    {
      "message_id": 1118,
      "editor_id": 33,
      "message_received": "เสร็จแล้วเราพบว่า",
      "slice_count": 1,
      "slices": "เสร็จแล้วเราพบว่า|",
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      "isForceout": false
    },
    {
      "message_id": 1119,
      "editor_id": 33,
      "message_received": "ไม่มีข้อมูลแล้ว ข้อมูลมันหมดแล้วน่ะ",
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      "slices": "ไม่มีข้อมูลแล้ว |ข้อมูลมันหมดแล้วน่ะ|",
      "edit_duration": 1.417,
      "isForceout": false
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    {
      "message_id": 1120,
      "editor_id": 33,
      "message_received": "ข้อมูลมันหมดแล้วนะคะ แต่สิ่งที่เราเจอคืออะไร",
      "slice_count": 2,
      "slices": "ข้อมูลมันหมดแล้วนะคะ |แต่สิ่งที่เราเจอคืออะไร |",
      "edit_duration": 1.013,
      "isForceout": false
    },
    {
      "message_id": 1121,
      "editor_id": 33,
      "message_received": "ใน Stack ยังมีข้อมูลอยู่",
      "slice_count": 2,
      "slices": "ใน Stack |ยังมีข้อมูลอยู่|",
      "edit_duration": 1.155,
      "isForceout": false
    },
    {
      "message_id": 1122,
      "editor_id": 33,
      "message_received": "เพราะฉะนั้น ต้องดึงค่า",
      "slice_count": 2,
      "slices": "เพราะฉะนั้น |ต้องดึงค่า|",
      "edit_duration": 2.046,
      "isForceout": false
    },
    {
      "message_id": 1123,
      "editor_id": 33,
      "message_received": "ออกจาก Stack ให้หมด เราเอาอะไรออกมาก่อนคะ",
      "slice_count": 2,
      "slices": "ออกจาก Stack ให้หมด| เราเอาอะไรออกมาก่อนคะ|",
      "edit_duration": 0.823,
      "isForceout": false
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1124,
      "editor_id": 33,
      "message_received": "ตัวล่าสุด ตัวบนสุด คือ คูณ",
      "slice_count": 2,
      "slices": "ตัวล่าสุด| ตัวบนสุด คือ คูณ|",
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      "isForceout": false
    },
    {
      "message_id": 1125,
      "editor_id": 33,
      "message_received": "เอาคูณมาต่อท้ายที่ Output หรือว่าผลลั",
      "slice_count": 2,
      "slices": "เอาคูณมาต่อท้ายที่ Output |หรือว่าผลลัพธ์|",
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      "isForceout": false
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1126,
      "editor_id": 33,
      "message_received": "เอาคูณออกมาแล้วมันเหลืออีกตัวหนึ่งใช่ไหม",
      "slice_count": 1,
      "slices": "เอาคูณออกมาแล้วมันเหลืออีกตัวหนึ่งใช่ไหม|",
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1127,
      "editor_id": 33,
      "message_received": "ก็เอาบวกออกมา",
      "slice_count": 1,
      "slices": "ก็เอาบวกออกมา|",
      "edit_duration": 2.884,
      "isForceout": false
    },
    {
      "message_id": 1128,
      "editor_id": 33,
      "message_received": "อันนี้คือผลลัพธ์ ผลลัพธ์สุดท้าย",
      "slice_count": 2,
      "slices": "อันนี้คือผลลัพธ์ |ผลลัพธ์สุดท้าย|",
      "edit_duration": 1.017,
      "isForceout": false
    },
    {
      "message_id": 1129,
      "editor_id": 33,
      "message_received": "นะคะ",
      "slice_count": 1,
      "slices": "นะคะ |",
      "edit_duration": 1.199,
      "isForceout": false
    },
    {
      "message_id": 1130,
      "editor_id": 33,
      "message_received": "จะอยู่ในรูปแบบของ Postfix คือ แปลงนิพจน์",
      "slice_count": 2,
      "slices": "จะอยู่ในรูปแบบของ Postfix |คือ แปลงนิพจน์|",
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": true
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    {
      "message_id": 1131,
      "editor_id": 33,
      "message_received": "",
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      "edit_duration": 0,
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    {
      "message_id": 1132,
      "editor_id": 33,
      "message_received": "ได้ไหมคะ เดี๋ยวเรามาทำพร้อมกันอีกตัวหนึ่ง",
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      "slices": "ได้ไหมคะ |เดี๋ยวเรามาทำพร้อมกันอีกตัวหนึ่ง|",
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    {
      "message_id": 1133,
      "editor_id": 33,
      "message_received": "หนึ่ง",
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      "slices": "",
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      "isForceout": false
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      "message_id": 1134,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
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      "message_id": 1135,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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      "message_id": 1136,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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      "message_id": 1137,
      "editor_id": 33,
      "message_received": "",
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      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1138,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1139,
      "editor_id": 33,
      "message_received": "3 + 5 x 1",
      "slice_count": 1,
      "slices": "3 + 5 x 1|",
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      "isForceout": false
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
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      "message_id": 1140,
      "editor_id": 33,
      "message_received": "",
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      "slices": "",
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      "message_id": 1141,
      "editor_id": 33,
      "message_received": "",
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      "slices": "",
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      "message_id": 1142,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
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      "message_id": 1143,
      "editor_id": 33,
      "message_received": "ครูมีโจทย์ใช่ไหมคะ 3 + 5 x 1",
      "slice_count": 1,
      "slices": "ครูมีโจทย์ใช่ไหมคะ 3 + 5 x 1|",
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      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": true
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    {
      "message_id": 1144,
      "editor_id": 33,
      "message_received": "ผลลัพธ์เท่ากับเท่าไหร่เอ่ย ตอบ",
      "slice_count": 2,
      "slices": "ผลลัพธ์เท่ากับเท่าไหร่เอ่ย |ตอบ|",
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      "message_id": 1145,
      "editor_id": 33,
      "message_received": "เท่ากับ",
      "slice_count": 1,
      "slices": "เท่ากับ...|",
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      "isForceout": false
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1146,
      "editor_id": 33,
      "message_received": "อันนี้ตอบเท่ากับเท่าไหร่เอ่ย",
      "slice_count": 1,
      "slices": "อันนี้ตอบเท่ากับเท่าไหร่เอ่ย|",
      "edit_duration": 1.371,
      "isForceout": false
    },
    {
      "message_id": 1147,
      "editor_id": 33,
      "message_received": "8",
      "slice_count": 1,
      "slices": "8|",
      "edit_duration": 2.706,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": true
    },
    {
      "message_id": 1148,
      "editor_id": 33,
      "message_received": "ข้างหลังตอบอะไร",
      "slice_count": 1,
      "slices": "ข้างหลังตอบอะไร|",
      "edit_duration": 4.399,
      "isForceout": false
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1149,
      "editor_id": 33,
      "message_received": "ได้เท่ากับอะไรคะ คำตอบ",
      "slice_count": 2,
      "slices": "ได้เท่ากับอะไรคะ |คำตอบ|",
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      "isForceout": false
    },
    {
      "message_id": 1150,
      "editor_id": 33,
      "message_received": "ก็คือ 8",
      "slice_count": 1,
      "slices": "ก็คือ 8|",
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      "isForceout": false
    },
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      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": true
    },
    {
      "message_id": 1151,
      "editor_id": 33,
      "message_received": "เอา 5 x 1 ก่อนได้เท่าไร",
      "slice_count": 1,
      "slices": "เอา 5 x 1 ก่อนได้เท่าไหร่|",
      "edit_duration": 4.89,
      "isForceout": false
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1152,
      "editor_id": 33,
      "message_received": "ค่อยบวกกับ 3",
      "slice_count": 1,
      "slices": "ค่อยบวกกับ 3|",
      "edit_duration": 3.97,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
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      "message_received": "ค่าว่า 8 มันมาจากไหน เราสั่งให้คอมพิวเตอร์มัน",
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      "message_received": "คิดแบบไหน อันดับแรก วาด Stack ว่าง",
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      "message_received": "ฉะนั้น ครูบอกว่าต้องมีคอลัมน์อยู่ 3 คอลัมน์",
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      "message_received": "In put Stack",
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      "slices": "จากนั้นครูวาดตารางเลย|",
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      "message_received": "คือเครื่องหมายบวก เลข 5",
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      "message_received": "นะคะ เครื่องหมายคูณ",
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      "message_received": "แล้วก็เลข 1 อันนี้ครูวดตารา",
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      "message_received": "เสร็จแล้ว",
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      "message_received": "ทุกคน",
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      "message_received": "ตัวเลขกับเครื่องหมาย",
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      "message_received": "มาเรียงใส่ทีละบรรทัด",
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      "editor_id": 33,
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    {
      "message_id": 1200,
      "editor_id": 33,
      "message_received": "",
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    {
      "message_id": 1201,
      "editor_id": 33,
      "message_received": "คราวนี้",
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      "slices": "คราวนี้|",
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    {
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      "editor_id": 33,
      "message_received": "พอทุกคนลอกตารางเสร็จแล้วใช่ไหมคะ เดี๋ยวเราจะมาทำด้วยกัน",
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      "slices": "พอทุกคนลอกตารางเสร็จแล้วใช่ไหมคะ เดี๋ยวเราจะมาทำด้วยกัน|",
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    {
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      "message_received": "เริ่มต้นตัวแรก",
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      "slices": "เริ่มต้นตัวแรก|",
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      "message_received": "ใช่ไหมคะทุกคน เริ่มต้นตัวแรกมันเป็นตัวเลข",
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      "slices": "ใช่ไหมคะ ทุกคน เริ่มต้นตัวแรกมันเป็นตัวเลข|",
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      "message_received": "ใช่หรือเปล่า เพราะฉะนั้นเอาไปไว้ที่ช่องทางไหน",
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      "slices": "ใช่หรือเปล่า เพราะฉะนั้นเอาไปไว้ที่ช่องทางไหน|",
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      "editor_id": 33,
      "message_received": "ทางขวา",
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      "slices": "ทางขวา|",
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      "message_received": "ใส่ก่อนเลข 3 ใช่ถูกต้อง",
      "slice_count": 1,
      "slices": "ใส่ก่อนเลข 3 ใช่ถูกต้อง|",
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      "editor_id": 33,
      "message_received": "ถัดมา",
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      "slices": "ถัดมา|",
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      "editor_id": 33,
      "message_received": "เป็นเครื่องหมายบวกใช่ไหมคะ",
      "slice_count": 1,
      "slices": "เป็นเครื่องหมายบวกใช่ไหมคะ |",
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      "editor_id": 33,
      "message_received": "ตรงนี้มีอะไรไหม ไม่มี",
      "slice_count": 1,
      "slices": "ตรงนี้มีอะไรไหม ไม่มี|",
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      "message_received": "เพราะฉะนั้น เอา + มาใส่ตรงนี้ได้เลยไหม",
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      "slices": "เพราะฉะนั้น เอา + มาใส่ตรงนี้ได้เลยไหม|",
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      "message_received": "ถ้าเป็นเครื่องหมาย เอาลงที่",
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      "slices": "ถ้าเป็นเครื่องหมาย เอาลงที่|",
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      "message_received": "Stack เพราะฉะนั้นตอนนี้ Stack",
      "slice_count": 1,
      "slices": "Stack เพราะฉะนั้นตอนนี้ Stack|",
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      "message_received": "ก็ใส่เครื่องหมายบวกได้เลย",
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      "slices": "ก็ใส่เครื่องหมายบวกได้เลย|",
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      "message_received": "3 ยกลงมาเหมือนเดิมนะคะ เหมือน",
      "slice_count": 1,
      "slices": "3 ยกลงมาเหมือนเดิมนะคะ เหมือน|",
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      "message_received": "ตรง Output ยก 3 ลงมาเหมือนเดิม",
      "slice_count": 1,
      "slices": "ตรง Output ยก 3 ลงมาเหมือนเดิม|",
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      "message_received": "",
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      "message_received": "ถัดมาเลข 5 เป็นตัวเลข",
      "slice_count": 1,
      "slices": "ถัดมาเลข 5 เป็นตัวเลข|",
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      "editor_id": 33,
      "message_received": "เอาไว้ที่ไหน เอาไว้",
      "slice_count": 1,
      "slices": "เอาไว้ที่ไหน เอาไว้|",
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      "message_id": 1221,
      "editor_id": 33,
      "message_received": "Output ใช่ไหม ฉะนั้น เอาของเด",
      "slice_count": 1,
      "slices": "Output ใช่ไหม ฉะนั้น เอาของเด|",
      "edit_duration": 13.012,
      "isForceout": true
    },
    {
      "message_id": 1222,
      "editor_id": 33,
      "message_received": "ยกลงมาก่อน คือ 3 เราเอาเลขอะไรมาใส่",
      "slice_count": 1,
      "slices": "ยกลงมาก่อน คือ 3 เราเอาเลขอะไรมาใส่|",
      "edit_duration": 13.013,
      "isForceout": true
    },
    {
      "message_id": 1223,
      "editor_id": 33,
      "message_received": "เลข 5 นะคะ อันนี้",
      "slice_count": 1,
      "slices": "เลข 5 นะคะ อันนี้|",
      "edit_duration": 13.013,
      "isForceout": true
    },
    {
      "message_id": 1224,
      "editor_id": 33,
      "message_received": "ยกลงมาไหม เครื่องหมายบวกยกลงมาด้วยนะ",
      "slice_count": 1,
      "slices": "ยกลงมาไหม เครื่องหมายบวกยกลงมาด้วยนะ|",
      "edit_duration": 13.02,
      "isForceout": true
    },
    {
      "message_id": 1225,
      "editor_id": 33,
      "message_received": "ยกลงมาด้วย",
      "slice_count": 1,
      "slices": "ยกลงมาด้วย|",
      "edit_duration": 13.013,
      "isForceout": true
    },
    {
      "message_id": 1226,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1227,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1228,
      "editor_id": 33,
      "message_received": "เสร็จแล้ว ถัดมา",
      "slice_count": 1,
      "slices": "เสร็จแล้ว ถัดมา|",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1229,
      "editor_id": 33,
      "message_received": "เครื่องหมายคูณ",
      "slice_count": 1,
      "slices": "เครื่องหมายคูณ|",
      "edit_duration": 13.018,
      "isForceout": true
    },
    {
      "message_id": 1230,
      "editor_id": 33,
      "message_received": "คูณต้องเอามาลง Stack ใช่หรือเปล่า แต่คูณ",
      "slice_count": 1,
      "slices": "คูณต้องเอามาลง Stack ใช่หรือเปล่า แต่คูณ|",
      "edit_duration": 13.013,
      "isForceout": true
    },
    {
      "message_id": 1231,
      "editor_id": 33,
      "message_received": "มันมากกว่าบวกใช่ไหม คูณ",
      "slice_count": 1,
      "slices": "มันมากกว่าบวกใช่ไหม คูณ|",
      "edit_duration": 13.016,
      "isForceout": true
    },
    {
      "message_id": 1232,
      "editor_id": 33,
      "message_received": "กับบวก อะไรมากกว่ากัน คูณ เพราะฉะนั้น",
      "slice_count": 1,
      "slices": "กับบวก อะไรมากกว่ากัน คูณ เพราะฉะนั้น|",
      "edit_duration": 13.013,
      "isForceout": true
    },
    {
      "message_id": 1233,
      "editor_id": 33,
      "message_received": "เราก็ใส่ลงไปใน Stack ได้เลย โดย",
      "slice_count": 1,
      "slices": "เราก็ใส่ลงไปใน Stack ได้เลย โดย|",
      "edit_duration": 13.029,
      "isForceout": true
    },
    {
      "message_id": 1234,
      "editor_id": 33,
      "message_received": "โดยเอาของเดิมลงมาก่อน",
      "slice_count": 1,
      "slices": "โดยเอาของเดิมลงมาก่อน|",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1235,
      "editor_id": 33,
      "message_received": "แล้วก็ใส่เครื่องหมายคูณ",
      "slice_count": 1,
      "slices": "แล้วก็ใส่เครื่องหมายคูณ|",
      "edit_duration": 13.03,
      "isForceout": true
    },
    {
      "message_id": 1236,
      "editor_id": 33,
      "message_received": "อันนี้ยกลงมาเหมือนเดิมไหม ยกลงมาเหมือนเดิม",
      "slice_count": 1,
      "slices": "อันนี้ยกลงมาเหมือนเดิมไหม ยกลงมาเหมือนเดิม|",
      "edit_duration": 13.015,
      "isForceout": true
    },
    {
      "message_id": 1237,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1238,
      "editor_id": 33,
      "message_received": "ตรงสุดท้าย 1 เอาไว้ที่ไหน",
      "slice_count": 1,
      "slices": "ตรงสุดท้าย 1 เอาไว้ที่ไหน|",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1239,
      "editor_id": 33,
      "message_received": "Output แต่มีของเดิมอยู่แล้วใช่ไหม",
      "slice_count": 1,
      "slices": "Output แต่มีของเดิมอยู่แล้วใช่ไหม|",
      "edit_duration": 13.017,
      "isForceout": true
    },
    {
      "message_id": 1240,
      "editor_id": 33,
      "message_received": "ยกของเดิมลงมาก่อน แล้วก็ใส่เลข 1",
      "slice_count": 1,
      "slices": "ยกของเดิมลงมาก่อน แล้วก็ใส่เลข 1|",
      "edit_duration": 13.011,
      "isForceout": true
    },
    {
      "message_id": 1241,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1242,
      "editor_id": 33,
      "message_received": "อันนี้ยกลงมาเลยได้ไหม ได้นะคะ ใน Stack",
      "slice_count": 1,
      "slices": "อันนี้ยกลงมาเลยได้ไหม ได้นะคะ ใน Stack|",
      "edit_duration": 13.012,
      "isForceout": true
    },
    {
      "message_id": 1243,
      "editor_id": 33,
      "message_received": "เราก็ยกเครื่องหมายออกมา เครื่องหมายนะคะ",
      "slice_count": 1,
      "slices": "เราก็ยกเครื่องหมายออกมา เครื่องหมายนะคะ |",
      "edit_duration": 13.017,
      "isForceout": true
    },
    {
      "message_id": 1244,
      "editor_id": 33,
      "message_received": "บวกกับคูณ",
      "slice_count": 1,
      "slices": "บวกกับคูณ|",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1245,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1246,
      "editor_id": 33,
      "message_received": "เสร็จแล้ว",
      "slice_count": 1,
      "slices": "เสร็จแล้ว|",
      "edit_duration": 13.013,
      "isForceout": true
    },
    {
      "message_id": 1247,
      "editor_id": 33,
      "message_received": "ผลลัพธ์ที่ได้ ตอนนี้ข้อมูลหมดแล้วใช่ไหม",
      "slice_count": 1,
      "slices": "ผลลัพธ์ที่ได้ ตอนนี้ข้อมูลหมดแล้วใช่ไหม|",
      "edit_duration": 13.01,
      "isForceout": true
    },
    {
      "message_id": 1248,
      "editor_id": 33,
      "message_received": "ใน Stack ยังมีอยู่ ใน Stack ยังมีอยู่ ต้อง",
      "slice_count": 1,
      "slices": "ใน Stack ยังมีอยู่ ใน Stack ยังมีอยู่ ต้อง|",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1249,
      "editor_id": 33,
      "message_received": "เอาออกมา ต้อง Pop ออกมา ใช่ไหมคะ",
      "slice_count": 1,
      "slices": "เอาออกมา ต้อง Pop ออกมา ใช่ไหมคะ |",
      "edit_duration": 13.026,
      "isForceout": true
    },
    {
      "message_id": 1250,
      "editor_id": 33,
      "message_received": "ยกตรง Output ของเดิมลงมาก่อน Pop",
      "slice_count": 1,
      "slices": "ยกตรง Output ของเดิมลงมาก่อน Pop|",
      "edit_duration": 13.013,
      "isForceout": true
    },
    {
      "message_id": 1251,
      "editor_id": 33,
      "message_received": "บวกกับคูณเอาอะไรออกมาก่อน",
      "slice_count": 1,
      "slices": "บวกกับคูณเอาอะไรออกมาก่อน|",
      "edit_duration": 13.013,
      "isForceout": true
    },
    {
      "message_id": 1252,
      "editor_id": 33,
      "message_received": "คูณ แล้วตามด้วยบวก เห็นไหมคะ",
      "slice_count": 1,
      "slices": "คูณ แล้วตามด้วยบวก เห็นไหมคะ |",
      "edit_duration": 13.018,
      "isForceout": true
    },
    {
      "message_id": 1253,
      "editor_id": 33,
      "message_received": "เอาตัวแรกออกมาก่อน แล้วเอาตัวที่ 2",
      "slice_count": 1,
      "slices": "เอาตัวแรกออกมาก่อน แล้วเอาตัวที่ 2|",
      "edit_duration": 13.015,
      "isForceout": true
    },
    {
      "message_id": 1254,
      "editor_id": 33,
      "message_received": "ออกมา",
      "slice_count": 1,
      "slices": "ออกมา|",
      "edit_duration": 13.013,
      "isForceout": true
    },
    {
      "message_id": 1255,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1256,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1257,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1258,
      "editor_id": 33,
      "message_received": "เดี๋ยวต่ออีกนิดหนึ่งนะคะ เดี๋ยวเขียนตรงนี้ให้เสร็จก่อน",
      "slice_count": 1,
      "slices": "เดี๋ยวต่ออีกนิดหนึ่งนะคะ เดี๋ยวเขียนตรงนี้ให้เสร็จก่อน|",
      "edit_duration": 13.013,
      "isForceout": true
    },
    {
      "message_id": 1259,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1260,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1261,
      "editor_id": 33,
      "message_received": "เรายังไม่ได้ค่าเลข 8 เลย",
      "slice_count": 1,
      "slices": "เรายังไม่ได้ค่าเลข 8 เลย|",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1262,
      "editor_id": 33,
      "message_received": "จะทำอย่างไรให้ได้เลข 8",
      "slice_count": 1,
      "slices": "จะทำอย่างไรให้ได้เลข 8|",
      "edit_duration": 13.021,
      "isForceout": true
    },
    {
      "message_id": 1263,
      "editor_id": 33,
      "message_received": "8",
      "slice_count": 1,
      "slices": "8|",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1264,
      "editor_id": 33,
      "message_received": "ถัดมา เสร็จหรือยังคะ",
      "slice_count": 1,
      "slices": "ถัดมา เสร็จหรือยังคะ|",
      "edit_duration": 13.013,
      "isForceout": true
    },
    {
      "message_id": 1265,
      "editor_id": 33,
      "message_received": "เดี๋ยวรอเพื่อน",
      "slice_count": 1,
      "slices": "เดี๋ยวรอเพื่อน|",
      "edit_duration": 13.023,
      "isForceout": true
    },
    {
      "message_id": 1266,
      "editor_id": 33,
      "message_received": "แป๊บหนึ่งนะ",
      "slice_count": 1,
      "slices": "แป๊บหนึ่งนะ|",
      "edit_duration": 13.013,
      "isForceout": true
    },
    {
      "message_id": 1267,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1268,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1269,
      "editor_id": 33,
      "message_received": "โอเค เราได้ผลลัพธ์",
      "slice_count": 1,
      "slices": "โอเค เราได้ผลลัพธ์|",
      "edit_duration": 13.021,
      "isForceout": true
    },
    {
      "message_id": 1270,
      "editor_id": 33,
      "message_received": "แล้วใช่ไหมคะ จากตารางที่เราทำใน Stack",
      "slice_count": 1,
      "slices": "แล้วใช่ไหมคะ จากตารางที่เราทำใน Stack|",
      "edit_duration": 13.011,
      "isForceout": true
    },
    {
      "message_id": 1271,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1272,
      "editor_id": 33,
      "message_received": "พอได้ค่าผลลัพธ์แล้วนี่ คือ ตัวนี้",
      "slice_count": 1,
      "slices": "พอได้ค่าผลลัพธ์แล้วนี่ คือ ตัวนี้|",
      "edit_duration": 13.013,
      "isForceout": true
    },
    {
      "message_id": 1273,
      "editor_id": 33,
      "message_received": "351 คูณ บวก",
      "slice_count": 1,
      "slices": "351 คูณ บวก|",
      "edit_duration": 13.011,
      "isForceout": true
    },
    {
      "message_id": 1274,
      "editor_id": 33,
      "message_received": "มาหาผลลัพธ์ต่อนะคะ ค่านี้จะเป็นค่าสุดท้ายแล้ว",
      "slice_count": 1,
      "slices": "มาหาผลลัพธ์ต่อนะคะ ค่านี้จะเป็นค่าสุดท้ายแล้ว|",
      "edit_duration": 13.012,
      "isForceout": true
    },
    {
      "message_id": 1275,
      "editor_id": 33,
      "message_received": "ที่เราจะได้คำตอบออกมา",
      "slice_count": 1,
      "slices": "ที่เราจะได้คำตอบออกมา|",
      "edit_duration": 13.015,
      "isForceout": true
    },
    {
      "message_id": 1276,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1277,
      "editor_id": 33,
      "message_received": "ตัวแรกตัวนี้ใช่ไหมคะ",
      "slice_count": 1,
      "slices": "ตัวแรกตัวนี้ใช่ไหมคะ |",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1278,
      "editor_id": 33,
      "message_received": "ขั้นตอนถัดมา ถ้าเป็น",
      "slice_count": 1,
      "slices": "ขั้นตอนถัดมา ถ้าเป็น|",
      "edit_duration": 13.01,
      "isForceout": true
    },
    {
      "message_id": 1279,
      "editor_id": 33,
      "message_received": "ตัวเลข ถ้าเป็นตัวเลขจะ Push",
      "slice_count": 1,
      "slices": "ตัวเลข ถ้าเป็นตัวเลขจะ Push|",
      "edit_duration": 13.013,
      "isForceout": true
    },
    {
      "message_id": 1280,
      "editor_id": 33,
      "message_received": "ลง Stack อันนี้อีกอันหนึ่งนะ อีก",
      "slice_count": 1,
      "slices": "ลง Stack อันนี้อีกอันหนึ่งนะ อีก|",
      "edit_duration": 13.025,
      "isForceout": true
    },
    {
      "message_id": 1281,
      "editor_id": 33,
      "message_received": "ขั้นตอนหนึ่วนะคะ ถ้าเป็นตัวเลขจะ P",
      "slice_count": 1,
      "slices": "ขั้นตอนหนึ่วนะคะ ถ้าเป็นตัวเลขจะ P|",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1282,
      "editor_id": 33,
      "message_received": "ลง Stack ดูพร้อมครูเลย ตัวที่ 1 มา",
      "slice_count": 1,
      "slices": "ลง Stack ดูพร้อมครูเลย ตัวที่ 1 มา|",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1283,
      "editor_id": 33,
      "message_received": "คือตัวเลขอะไรคะ เลข 3",
      "slice_count": 1,
      "slices": "คือตัวเลขอะไรคะ เลข 3|",
      "edit_duration": 13.018,
      "isForceout": true
    },
    {
      "message_id": 1284,
      "editor_id": 33,
      "message_received": "เราเอาใส่ใน Stack",
      "slice_count": 1,
      "slices": "เราเอาใส่ใน Stack|",
      "edit_duration": 13.027,
      "isForceout": true
    },
    {
      "message_id": 1285,
      "editor_id": 33,
      "message_received": "ดูพร้อมกันนะ เลข 3",
      "slice_count": 1,
      "slices": "ดูพร้อมกันนะ เลข 3|",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1286,
      "editor_id": 33,
      "message_received": "ตัวแรก เอาลง Stack ตัวถัดมา",
      "slice_count": 1,
      "slices": "ตัวแรก เอาลง Stack ตัวถัดมา|",
      "edit_duration": 13.02,
      "isForceout": true
    },
    {
      "message_id": 1287,
      "editor_id": 33,
      "message_received": "เลขอะไรคะ เลข 5",
      "slice_count": 1,
      "slices": "เลขอะไรคะ เลข 5|",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1288,
      "editor_id": 33,
      "message_received": "ก็เอาเลข 5 Push ลง  Stack เหมือนกัน",
      "slice_count": 1,
      "slices": "ก็เอาเลข 5 Push ลง  Stack เหมือนกัน|",
      "edit_duration": 13.017,
      "isForceout": true
    },
    {
      "message_id": 1289,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1290,
      "editor_id": 33,
      "message_received": "ตัวถัดมาเลขอะไร",
      "slice_count": 1,
      "slices": "ตัวถัดมาเลขอะไร|",
      "edit_duration": 13.013,
      "isForceout": true
    },
    {
      "message_id": 1291,
      "editor_id": 33,
      "message_received": "เลข 1 ก็เอาเลข 1",
      "slice_count": 1,
      "slices": "เลข 1 ก็เอาเลข 1|",
      "edit_duration": 13.01,
      "isForceout": true
    },
    {
      "message_id": 1292,
      "editor_id": 33,
      "message_received": "Push ลง Stack เหมือนกัน",
      "slice_count": 1,
      "slices": "Push ลง Stack เหมือนกัน|",
      "edit_duration": 13.012,
      "isForceout": true
    },
    {
      "message_id": 1293,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1294,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1295,
      "editor_id": 33,
      "message_received": "ถัดมา",
      "slice_count": 1,
      "slices": "ถัดมา|",
      "edit_duration": 13.011,
      "isForceout": true
    },
    {
      "message_id": 1296,
      "editor_id": 33,
      "message_received": "เราเครื่องหมายคูณ ให้",
      "slice_count": 1,
      "slices": "เราเครื่องหมายคูณ ให้|",
      "edit_duration": 13.013,
      "isForceout": true
    },
    {
      "message_id": 1297,
      "editor_id": 33,
      "message_received": "Pop ค่าบนสุดอออกมา แล้ว",
      "slice_count": 1,
      "slices": "Pop ค่าบนสุดอออกมา แล้ว|",
      "edit_duration": 13.013,
      "isForceout": true
    },
    {
      "message_id": 1298,
      "editor_id": 33,
      "message_received": "วางไว้ขวามือ เอาเลข 1 ออกมา เห็นไหมคะ",
      "slice_count": 1,
      "slices": "วางไว้ขวามือ เอาเลข 1 ออกมา เห็นไหมคะ |",
      "edit_duration": 13.02,
      "isForceout": true
    },
    {
      "message_id": 1299,
      "editor_id": 33,
      "message_received": "จากนั้นใส่เครื่องหมาย",
      "slice_count": 1,
      "slices": "จากนั้นใส่เครื่องหมาย|",
      "edit_duration": 13.013,
      "isForceout": true
    },
    {
      "message_id": 1300,
      "editor_id": 33,
      "message_received": "ถ้ามันเครื่องหมายนะ ตัวที่เราอ่านมา เรา Pop",
      "slice_count": 1,
      "slices": "ถ้ามันเครื่องหมายนะ ตัวที่เราอ่านมา เรา Pop|",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1301,
      "editor_id": 33,
      "message_received": "ตัวเลขออกมาก่อน แล้วใส่เครื่องหมาย",
      "slice_count": 1,
      "slices": "ตัวเลขออกมาก่อน แล้วใส่เครื่องหมาย|",
      "edit_duration": 13.013,
      "isForceout": true
    },
    {
      "message_id": 1302,
      "editor_id": 33,
      "message_received": "แล้วเอาตัวที่ 2 ออกมาแบบนี้",
      "slice_count": 1,
      "slices": "แล้วเอาตัวที่ 2 ออกมาแบบนี้|",
      "edit_duration": 13.019,
      "isForceout": true
    },
    {
      "message_id": 1303,
      "editor_id": 33,
      "message_received": "นี่นะคะ เอาตัวบนสุดออกมา",
      "slice_count": 1,
      "slices": "นี่นะคะ เอาตัวบนสุดออกมา|",
      "edit_duration": 13.01,
      "isForceout": true
    },
    {
      "message_id": 1304,
      "editor_id": 33,
      "message_received": "แล้วใส่เครื่องหมายที่เราอ่าน แล้วเอา",
      "slice_count": 1,
      "slices": "แล้วใส่เครื่องหมายที่เราอ่าน แล้วเอา|",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1305,
      "editor_id": 33,
      "message_received": "ตัวข้อมูล",
      "slice_count": 1,
      "slices": "ตัวข้อมูล|",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1306,
      "editor_id": 33,
      "message_received": "ตัวเลขที่อยู่ใน Stack ตัวถัดมานี่ออกมา ได้ผลลัพธ์อะไรคะ",
      "slice_count": 1,
      "slices": "ตัวเลขที่อยู่ใน Stack ตัวถัดมานี่ออกมา ได้ผลลัพธ์อะไรคะ |",
      "edit_duration": 13.013,
      "isForceout": true
    },
    {
      "message_id": 1307,
      "editor_id": 33,
      "message_received": "5 x 1 เป็น 5",
      "slice_count": 1,
      "slices": "5 x 1 เป็น 5|",
      "edit_duration": 13.031,
      "isForceout": true
    },
    {
      "message_id": 1308,
      "editor_id": 33,
      "message_received": "ตอนนี้ใน Stack 1 กับ 5 ออก",
      "slice_count": 1,
      "slices": "ตอนนี้ใน Stack 1 กับ 5 ออก|",
      "edit_duration": 13.026,
      "isForceout": true
    },
    {
      "message_id": 1309,
      "editor_id": 33,
      "message_received": "ไปแล้วนะ เราได้ผลลัพธ์",
      "slice_count": 1,
      "slices": "ไปแล้วนะ เราได้ผลลัพธ์|",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1310,
      "editor_id": 33,
      "message_received": "คือ 5 แล้วอย่างไรต่อ",
      "slice_count": 1,
      "slices": "คือ 5 แล้วอย่างไรต่อ|",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1311,
      "editor_id": 33,
      "message_received": "ก็ Push ลง Stack",
      "slice_count": 1,
      "slices": "ก็ Push ลง Stack|",
      "edit_duration": 13.017,
      "isForceout": true
    },
    {
      "message_id": 1312,
      "editor_id": 33,
      "message_received": "เอาเลข 5 Push ลงไปใน Stack",
      "slice_count": 1,
      "slices": "เอาเลข 5 Push ลงไปใน Stack|",
      "edit_duration": 13.031,
      "isForceout": true
    },
    {
      "message_id": 1313,
      "editor_id": 33,
      "message_received": "ตอนนี้เอาออกไปแล้ว 2 เหลือ 3",
      "slice_count": 1,
      "slices": "ตอนนี้เอาออกไปแล้ว 2 เหลือ 3|",
      "edit_duration": 13.015,
      "isForceout": true
    },
    {
      "message_id": 1314,
      "editor_id": 33,
      "message_received": "พอคูณเสร็จเอา 5 กลับเข้ามา",
      "slice_count": 1,
      "slices": "พอคูณเสร็จเอา 5 กลับเข้ามา|",
      "edit_duration": 13.015,
      "isForceout": true
    },
    {
      "message_id": 1315,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1316,
      "editor_id": 33,
      "message_received": "ดูนะคะ ถัดมา",
      "slice_count": 1,
      "slices": "ดูนะคะ ถัดมา|",
      "edit_duration": 13.017,
      "isForceout": true
    },
    {
      "message_id": 1317,
      "editor_id": 33,
      "message_received": "อ่านเครื่องหมายบวก",
      "slice_count": 1,
      "slices": "อ่านเครื่องหมายบวก|",
      "edit_duration": 13.011,
      "isForceout": true
    },
    {
      "message_id": 1318,
      "editor_id": 33,
      "message_received": "ทำเหมือนเดิมเลย เอาอะไรออกมาคะ",
      "slice_count": 1,
      "slices": "ทำเหมือนเดิมเลย เอาอะไรออกมาคะ|",
      "edit_duration": 13.016,
      "isForceout": true
    },
    {
      "message_id": 1319,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1320,
      "editor_id": 33,
      "message_received": "เอา 5 ออกมาไว้ทางขวามือ แล้วก็ใส่เครื่องหมายบวก",
      "slice_count": 1,
      "slices": "เอา 5 ออกมาไว้ทางขวามือ แล้วก็ใส่เครื่องหมายบวก|",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1321,
      "editor_id": 33,
      "message_received": "แล้วก้เอา 3 ออกมา คำตอบเป็นเท่าไหร่คะ",
      "slice_count": 1,
      "slices": "แล้วก้เอา 3 ออกมา คำตอบเป็นเท่าไหร่คะ|",
      "edit_duration": 13.011,
      "isForceout": true
    },
    {
      "message_id": 1322,
      "editor_id": 33,
      "message_received": "เป็น 8",
      "slice_count": 1,
      "slices": "เป็น 8|",
      "edit_duration": 13.013,
      "isForceout": true
    },
    {
      "message_id": 1323,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1324,
      "editor_id": 33,
      "message_received": "แล้วก็เอา 8 ใส่ลงไปใน Stack จะเหลือเป็นค่าสุดท้าย",
      "slice_count": 1,
      "slices": "แล้วก็เอา 8 ใส่ลงไปใน Stack จะเหลือเป็นค่าสุดท้าย|",
      "edit_duration": 13.029,
      "isForceout": true
    },
    {
      "message_id": 1325,
      "editor_id": 33,
      "message_received": "นี่คือคำตอบของ",
      "slice_count": 1,
      "slices": "นี่คือคำตอบของ|",
      "edit_duration": 13.018,
      "isForceout": true
    },
    {
      "message_id": 1326,
      "editor_id": 33,
      "message_received": "โจทย์ข้อนี้ ได้เท่ากันเลยไหม",
      "slice_count": 1,
      "slices": "โจทย์ข้อนี้ ได้เท่ากันเลยไหม|",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1327,
      "editor_id": 33,
      "message_received": "ได้เท่ากันเลย คือ 8",
      "slice_count": 1,
      "slices": "ได้เท่ากันเลย คือ 8|",
      "edit_duration": 13.011,
      "isForceout": true
    },
    {
      "message_id": 1328,
      "editor_id": 33,
      "message_received": "จะเห็นว่านี่คือกระบวนการคอมพิวเตอร์คิดค่า",
      "slice_count": 1,
      "slices": "จะเห็นว่านี่คือกระบวนการคอมพิวเตอร์คิดค่า|",
      "edit_duration": 13.013,
      "isForceout": true
    },
    {
      "message_id": 1329,
      "editor_id": 33,
      "message_received": "ตัวเลขให้เรานะคะ กว่าจะได้เลข 8",
      "slice_count": 1,
      "slices": "ตัวเลขให้เรานะคะ กว่าจะได้เลข 8|",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1330,
      "editor_id": 33,
      "message_received": "ออกมานี่ คอมพิวเตอร์ต้องคิดแบบนี้นะคะ",
      "slice_count": 1,
      "slices": "ออกมานี่ คอมพิวเตอร์ต้องคิดแบบนี้นะคะ |",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1331,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1332,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1333,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1334,
      "editor_id": 33,
      "message_received": "โอเค",
      "slice_count": 1,
      "slices": "โอเค|",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1335,
      "editor_id": 33,
      "message_received": "ใครเสร็จแล้ว",
      "slice_count": 1,
      "slices": "ใครเสร็จแล้ว|",
      "edit_duration": 13.011,
      "isForceout": true
    },
    {
      "message_id": 1336,
      "editor_id": 33,
      "message_received": "ครูให้เบรกอีก 5 นาที จดตัวนี้ให้เสร็จนะคะ",
      "slice_count": 1,
      "slices": "ครูให้เบรกอีก 5 นาที จดตัวนี้ให้เสร็จนะคะ |",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1337,
      "editor_id": 33,
      "message_received": "ครูให้เบรก 5 นาที",
      "slice_count": 1,
      "slices": "ครูให้เบรก 5 นาที|",
      "edit_duration": 13.014,
      "isForceout": true
    },
    {
      "message_id": 1338,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1339,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1340,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1341,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1342,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1343,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1344,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1345,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1346,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1347,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1348,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1349,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1350,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1351,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1352,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1353,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1354,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1355,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1356,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1357,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1358,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1359,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1360,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1361,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1362,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1363,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1364,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
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      "message_id": 1485,
      "editor_id": 33,
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    {
      "message_id": 1486,
      "editor_id": 33,
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      "message_id": 1487,
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    {
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      "message_id": 1489,
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    {
      "message_id": 1491,
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      "edit_duration": 0,
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    },
    {
      "message_id": 1492,
      "editor_id": 33,
      "message_received": "ค่ะ เดี๋ยวมาต่ออีกนิดหนึ่ง",
      "slice_count": 1,
      "slices": "ค่ะ เดี๋ยวมาต่ออีกนิดหนึ่ง|",
      "edit_duration": 9.291,
      "isForceout": false
    },
    {
      "message_id": 1493,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1494,
      "editor_id": 33,
      "message_received": "คราวนี้มาดูอีก 1 ตัวอย่างนะคะ",
      "slice_count": 1,
      "slices": "คราวนี้มาดูอีก 1 ตัวอย่างนะคะ |",
      "edit_duration": 2.569,
      "isForceout": false
    },
    {
      "message_id": 1495,
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      "slices": "",
      "edit_duration": 0,
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    },
    {
      "message_id": 1496,
      "editor_id": 33,
      "message_received": "ครูมีโจทย์ให้",
      "slice_count": 1,
      "slices": "ครูมีโจทย์ให้|",
      "edit_duration": 3.113,
      "isForceout": false
    },
    {
      "message_id": 1497,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
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    },
    {
      "message_id": 1498,
      "editor_id": 33,
      "message_received": "5 x 2",
      "slice_count": 1,
      "slices": "5 x 2 |",
      "edit_duration": 4.487,
      "isForceout": false
    },
    {
      "message_id": 1499,
      "editor_id": 33,
      "message_received": "+ 2",
      "slice_count": 1,
      "slices": "+ 2|",
      "edit_duration": 1.556,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
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    },
    {
      "message_id": 1500,
      "editor_id": 33,
      "message_received": "ตอนนี้เราทำ",
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      "slices": "ตอนนี้| เราทำ|",
      "edit_duration": 7.557,
      "isForceout": false
    },
    {
      "message_id": 1501,
      "editor_id": 33,
      "message_received": "จาก Prefix ให้เป็น",
      "slice_count": 1,
      "slices": "จาก Prefix ให้เป็น|",
      "edit_duration": 6.853,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1502,
      "editor_id": 33,
      "message_received": "Postfix ก่อนนะคะ",
      "slice_count": 1,
      "slices": "Postfix ก่อนนะคะ |",
      "edit_duration": 3.979,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
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    },
    {
      "message_id": 1503,
      "editor_id": 33,
      "message_received": "อันดับแรก",
      "slice_count": 1,
      "slices": "อันดับแรก|",
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    },
    {
      "message_id": -1,
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      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
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    },
    {
      "message_id": 1504,
      "editor_id": 33,
      "message_received": "ต้องวาดตารางก่อนใช่ไหมคะ",
      "slice_count": 1,
      "slices": "ต้องวาดตารางก่อนใช่ไหมคะ |",
      "edit_duration": 3.371,
      "isForceout": false
    },
    {
      "message_id": 1505,
      "editor_id": 33,
      "message_received": "วาดตาราง Stack ว่าง",
      "slice_count": 1,
      "slices": "วาดตาราง Stack ว่าง|",
      "edit_duration": 2.196,
      "isForceout": false
    },
    {
      "message_id": -1,
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      "message_received": "",
      "slice_count": 1,
      "slices": " |",
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    {
      "message_id": 1506,
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      "message_received": "ครูก็วาด 3 ช่องเหมือนเดิม แล้วก็",
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      "slices": "ครูก็วาด 3 ช่องเหมือนเดิม |แล้วก็|",
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      "isForceout": false
    },
    {
      "message_id": 1507,
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      "message_received": "ตรง Input ครูก็เอาข้อมูลแต่ละตัว",
      "slice_count": 2,
      "slices": "ตรง Input |ครูก็เอาข้อมูลแต่ละตัว|",
      "edit_duration": 0.762,
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    },
    {
      "message_id": 1508,
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      "message_received": "มาใส่ลงในแต่ละบรรทัด",
      "slice_count": 1,
      "slices": "มาใส่ลงในแต่ละบรรทัด|",
      "edit_duration": 1.797,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": true
    },
    {
      "message_id": -1,
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      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": true
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      "slices": "",
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    {
      "message_id": 1510,
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      "message_received": "",
      "slice_count": 0,
      "slices": "",
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    {
      "message_id": 1511,
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      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1512,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
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    {
      "message_id": 1513,
      "editor_id": 33,
      "message_received": "เริ่มต้นเลย หย่อนเข้ามาตัวเลข",
      "slice_count": 2,
      "slices": "เริ่มต้นเลยนะคะ| หย่อนเข้ามาตัวแรก|",
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      "isForceout": false
    },
    {
      "message_id": 1514,
      "editor_id": 33,
      "message_received": "คือ เลข 5 ใช่ไหม มันเป็นตัวเลข เพราะฉะนั้น",
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      "slices": "คือ เลข 5 ใช่ไหม |มันเป็นตัวเลข |เพราะฉะนั้น|",
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    },
    {
      "message_id": 1515,
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      "message_received": "เอาไปไว้ที่ Output",
      "slice_count": 1,
      "slices": "เอาไปไว้ที่ Output|",
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      "isForceout": false
    },
    {
      "message_id": 1516,
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      "message_received": "นะคะ นะ ถ้าเป็นตัวเลข เอาไปไว้ที่ Output",
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      "slices": "นะคะ |นะ |ถ้าเป็นตัวเลข เอาไปไว้ที่ Output|",
      "edit_duration": 7.44,
      "isForceout": false
    },
    {
      "message_id": 1517,
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      "message_received": "ได้เลย ตัวถัดมา",
      "slice_count": 2,
      "slices": "ได้เลย| ตัวถัดมา|",
      "edit_duration": 6.627,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1518,
      "editor_id": 33,
      "message_received": "เครื่องหมายคูณ",
      "slice_count": 1,
      "slices": "เครื่องหมายคูณ|",
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      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1519,
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      "message_received": "แสดงว่าต้องเอาไปไว้ใน Stack",
      "slice_count": 1,
      "slices": "แสดงว่าต้องเอาไปไว้ใน Stack|",
      "edit_duration": 3.679,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1520,
      "editor_id": 33,
      "message_received": "ตอนนี้ Stack มันเป็น Stack ว่าง",
      "slice_count": 1,
      "slices": "ตอนนี้ Stack มันเป็น Stack ว่าง|",
      "edit_duration": 3.806,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
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    },
    {
      "message_id": 1521,
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      "message_received": "เราก็เลยเอาคูณมาใส่ใน",
      "slice_count": 1,
      "slices": "เราก็เลยเอาคูณมาใส่ใน|",
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    },
    {
      "message_id": 1522,
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      "message_received": "Stack ได้เลย ส่วน Output",
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      "slices": "Stack ได้เลย |ส่วน Output|",
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    },
    {
      "message_id": -1,
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      "slice_count": 1,
      "slices": " |",
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      "isForceout": true
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    {
      "message_id": 1523,
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      "message_received": "ก็ยก 5 ลงมาเหมือนเดิม",
      "slice_count": 1,
      "slices": "ก็ยก 5 ลงมาเหมือนเดิม|",
      "edit_duration": 1.063,
      "isForceout": false
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    {
      "message_id": -1,
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      "slice_count": 1,
      "slices": " |",
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    {
      "message_id": 1525,
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      "message_received": "โอเคนะ ยังเป็นเหมือนเดิมอญู่นะ",
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      "slices": "โอเคนะ |ยังเป็นเหมือนเดิมอยู่นะ|",
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      "message_id": -1,
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      "message_received": "",
      "slice_count": 1,
      "slices": " |",
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    {
      "message_id": 1526,
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      "message_received": "2 บรรทัดแรก ถัดมา",
      "slice_count": 2,
      "slices": "2 บรรทัดแรก |ถัดมา |",
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    },
    {
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      "editor_id": 33,
      "message_received": "เจอเลข 2 เลข 2",
      "slice_count": 2,
      "slices": "เจอเลข 2 |เลข 2|",
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    {
      "message_id": -1,
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      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1528,
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      "message_received": "2 มันเป็นตัวเลข ต้องเอาไปไว้ที่",
      "slice_count": 2,
      "slices": "2 มันเป็นตัวเลข |ต้องเอาไปไว้ที่ |",
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    },
    {
      "message_id": 1529,
      "editor_id": 33,
      "message_received": "Output เพราะฉะนั้น 2",
      "slice_count": 2,
      "slices": "Output| เพราะฉะนั้น 2|",
      "edit_duration": 4.014,
      "isForceout": false
    },
    {
      "message_id": -1,
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      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1530,
      "editor_id": 33,
      "message_received": "จะอยู่ต่อจากเลข 5 นะคะ ใน Stack",
      "slice_count": 2,
      "slices": "จะอยู่ต่อจากเลข 5 นะคะ |ใน Stack |",
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      "isForceout": false
    },
    {
      "message_id": 1531,
      "editor_id": 33,
      "message_received": "ก็ยกลงมาเหมือนเดิม",
      "slice_count": 1,
      "slices": "ก็ยกลงมาเหมือนเดิม|",
      "edit_duration": 3.085,
      "isForceout": false
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": true
    },
    {
      "message_id": 1532,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1533,
      "editor_id": 33,
      "message_received": "ถึงตรงนี้นะคะ",
      "slice_count": 1,
      "slices": "ถึงตรงนี้นะคะ |",
      "edit_duration": 1.365,
      "isForceout": false
    },
    {
      "message_id": 1534,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1535,
      "editor_id": 33,
      "message_received": "ถัดมาข้อมูลที่เราอ่านมา",
      "slice_count": 1,
      "slices": "ถัดมาข้อมูลที่เราอ่านมา|",
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      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": "คืออะไร|",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1536,
      "editor_id": 33,
      "message_received": "เครื่องหมายบวก พอเราเจอ",
      "slice_count": 2,
      "slices": "เครื่องหมายบวก |พอเราเจอ|",
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      "isForceout": false
    },
    {
      "message_id": 1537,
      "editor_id": 33,
      "message_received": "เครื่องหมายบวก ครูบอกว่าต้องเอามัน",
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      "message_received": "ไปไว้ใน Stack แต่ก่อนอื่น ก่อนที่จะ",
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      "slices": "ไปไว้ใน Stack |แต่ก่อนอื่น |ก่อนที่จะ|",
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      "message_received": "เอาไปไว้ใน Stack เดิม",
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      "slices": "เอาไปไว้ใน Stack |เดิม|",
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      "isForceout": false
    },
    {
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      "editor_id": 33,
      "message_received": "เรามีข้อมูลใน Stack หรือเปล่า มีใช่หรือเปล่า มีเครื่องหมายคูณ",
      "slice_count": 3,
      "slices": "เรามีข้อมูลใน Stack หรือเปล่า |มีใช่หรือเปล่า |มีเครื่องหมายคูณ|",
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      "isForceout": false
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      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
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      "isForceout": false
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    {
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      "editor_id": 33,
      "message_received": "เพราะฉะนั้นเราต้",
      "slice_count": 2,
      "slices": "เพราะฉะนั้น| เรา|",
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      "isForceout": false
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    {
      "message_id": 1542,
      "editor_id": 33,
      "message_received": "ต้องเปรียบเทียบความสำคัญก่อน บวก",
      "slice_count": 2,
      "slices": "ต้องเปรียบเทียบความสำคัญก่อน |บวก|",
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      "isForceout": false
    },
    {
      "message_id": 1543,
      "editor_id": 33,
      "message_received": "มันน้อยกว่าหรือมากกว่าคูณ",
      "slice_count": 1,
      "slices": "มันน้อยกว่าหรือมากกว่าคูณ|",
      "edit_duration": 2.927,
      "isForceout": false
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1544,
      "editor_id": 33,
      "message_received": "น้อยกว่า ใช่ไหม บวก",
      "slice_count": 2,
      "slices": "น้อยกว่า |ใช่ไหม บวก|",
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      "isForceout": false
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    {
      "message_id": 1545,
      "editor_id": 33,
      "message_received": "มีค่าน้อยกว่าคูณ เพราะฉะนั้น",
      "slice_count": 2,
      "slices": "มีค่าน้อยกว่าคูณ |เพราะฉะนั้น|",
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      "isForceout": false
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      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
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      "isForceout": true
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    {
      "message_id": 1546,
      "editor_id": 33,
      "message_received": "ทำอย่างไรคะ เอาคูณ",
      "slice_count": 2,
      "slices": "ทำไมคะ |เอาคูณ|",
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    {
      "message_id": 1547,
      "editor_id": 33,
      "message_received": "ออกมา",
      "slice_count": 1,
      "slices": "ออกมา|",
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      "isForceout": false
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
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      "isForceout": false
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    {
      "message_id": 1548,
      "editor_id": 33,
      "message_received": "บวกมีค่าน้อยกว่าคูณ เพราะฉะนั้น",
      "slice_count": 2,
      "slices": "บวกมีค่าน้อยกว่าคูณ |เพราะฉะนั้น|",
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
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    {
      "message_id": 1549,
      "editor_id": 33,
      "message_received": "ต้องเอา",
      "slice_count": 1,
      "slices": "ต้องเอา|",
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      "isForceout": false
    },
    {
      "message_id": 1550,
      "editor_id": 33,
      "message_received": "ข้อมูลที่อยู่บน Stack นี่ คือ คูณ เอามาไว้ที่",
      "slice_count": 2,
      "slices": "ข้อมูลที่อยู่บน Stack นี่ |คือ คูณ เอามาไว้ที่|",
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      "isForceout": false
    },
    {
      "message_id": 1551,
      "editor_id": 33,
      "message_received": "Output เห็นไหมคะ",
      "slice_count": 2,
      "slices": "Output |เห็นไหมคะ |",
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    {
      "message_id": 1552,
      "editor_id": 33,
      "message_received": "เอามาไว้ที่ Output เสร็จแล้ว เราถึงเอา",
      "slice_count": 2,
      "slices": "เอามาไว้ที่ Output |เสร็จแล้ว เราถึงเอา|",
      "edit_duration": 4.382,
      "isForceout": false
    },
    {
      "message_id": 1553,
      "editor_id": 33,
      "message_received": "เครื่องหมายบวก Push ลงไปใน Stack",
      "slice_count": 2,
      "slices": "เครื่องหมายบวก |Push ลงไปใน Stack|",
      "edit_duration": 3.246,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": true
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    {
      "message_id": 1554,
      "editor_id": 33,
      "message_received": "นะคะ แล้วค่อยเอาเครื่องหมายบวก",
      "slice_count": 2,
      "slices": "นะคะ |แล้วค่อยเอาเครื่องหมายบวก|",
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      "isForceout": false
    },
    {
      "message_id": 1555,
      "editor_id": 33,
      "message_received": "ใส่ลงไปใน Stack ได้เลย เพราะ Stack มันว่าง",
      "slice_count": 2,
      "slices": "ใส่ลงไปใน Stack ได้เลย |เพราะ Stack มันว่าง|",
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      "isForceout": false
    },
    {
      "message_id": 1556,
      "editor_id": 33,
      "message_received": "เพราะฉะนั้น ตรง Output จะเป็น",
      "slice_count": 2,
      "slices": "เพราะฉะนั้น ตรง Output |จะเป็น|",
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      "isForceout": false
    },
    {
      "message_id": 1557,
      "editor_id": 33,
      "message_received": "5, 2 แล้วก็เครื่องหมาย5",
      "slice_count": 2,
      "slices": "5, 2 |แล้วก็เครื่องหมายคูณ|",
      "edit_duration": 1.723,
      "isForceout": false
    },
    {
      "message_id": 1558,
      "editor_id": 33,
      "message_received": "ทำไมคูณ",
      "slice_count": 1,
      "slices": "ทำไมคูณ|",
      "edit_duration": 13.118,
      "isForceout": false
    },
    {
      "message_id": 1559,
      "editor_id": 33,
      "message_received": "ถึงต้องออกมา เพราะบวกมันน้อยกว่าคูณ",
      "slice_count": 2,
      "slices": "ถึงต้องออกมา |เพราะบวกมันน้อยกว่าคูณ|",
      "edit_duration": 10.277,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1560,
      "editor_id": 33,
      "message_received": "เห็นไหมคะ บวกมันน้อยกว่าคูณ",
      "slice_count": 2,
      "slices": "เห็นไหมคะ |บวกมันน้อยกว่าคูณ|",
      "edit_duration": 10.464,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1561,
      "editor_id": 33,
      "message_received": "เลยเอาคูณออกมา",
      "slice_count": 1,
      "slices": "เลยเอาคูณออกมา|",
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      "isForceout": false
    },
    {
      "message_id": 1562,
      "editor_id": 33,
      "message_received": "ถัดมาเลขอะไรคะ เลข 2",
      "slice_count": 2,
      "slices": "ถัดมาเลขอะไรคะ |เลข 2|",
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    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1563,
      "editor_id": 33,
      "message_received": "เอาไปไว้ที่ Output ได้เลย ก็เอามันไปต่อท้ายคูณ",
      "slice_count": 2,
      "slices": "เอาไปไว้ที่ Output ได้เลย |ก็|",
      "edit_duration": 4.658,
      "isForceout": true
    },
    {
      "message_id": 1564,
      "editor_id": 33,
      "message_received": "เอามันมาต่อท้ายคูณใช้หรือเปล่า เพราะมันคือคูณ",
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      "slices": "เอามันมาต่อท้ายคูณใช้หรือเปล่า |เพราะมันคือคูณ|",
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      "isForceout": false
    },
    {
      "message_id": 1565,
      "editor_id": 33,
      "message_received": "เอา 2 มาต่อท้าย",
      "slice_count": 1,
      "slices": "เอา 2 มาต่อท้าย|",
      "edit_duration": 12.635,
      "isForceout": false
    },
    {
      "message_id": 1566,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1567,
      "editor_id": 33,
      "message_received": "ตอนนี้เราอ่านข้อมูลครบหมดแล้ว",
      "slice_count": 1,
      "slices": "ตอนนี้เราอ่านข้อมูลครบหมดแล้ว|",
      "edit_duration": 5.546,
      "isForceout": false
    },
    {
      "message_id": 1568,
      "editor_id": 33,
      "message_received": "แต่ใน Stack มันยังมีบวกค้างอยู่ เพราะฉะนั้น",
      "slice_count": 2,
      "slices": "แต่ใน Stack มันยังมีบวกค้างอยู่ |เพราะฉะนั้น|",
      "edit_duration": 3.782,
      "isForceout": false
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1569,
      "editor_id": 33,
      "message_received": "ต้อง Pop มันออกมา แ",
      "slice_count": 2,
      "slices": "ต้อง Pop มันออกมา |แล้วไว้ข้างหลังเลย|",
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      "isForceout": false
    },
    {
      "message_id": 1570,
      "editor_id": 33,
      "message_received": "นะคะ Pop มันออกมาและไว้ข้างหลัง",
      "slice_count": 2,
      "slices": "นะคะ |Pop มันออกมาแล้วไว้ข้างหลัง|",
      "edit_duration": 7.88,
      "isForceout": false
    },
    {
      "message_id": 1571,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1572,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1573,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
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      "message_id": 1574,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1575,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1576,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1577,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1578,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1579,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1580,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1581,
      "editor_id": 33,
      "message_received": "โอเคนะ",
      "slice_count": 1,
      "slices": "โอเคนะ|",
      "edit_duration": 4.669,
      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1582,
      "editor_id": 33,
      "message_received": "แบบฝึกหัด ช่วยครูทำหน่อยตอนนี้เลย",
      "slice_count": 2,
      "slices": "แบบฝึกหัด |ช่วยครูทำหน่อยตอนนี้เลย|",
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1583,
      "editor_id": 33,
      "message_received": "ครูโจทย์ให้นะคะ 3 หาร 1",
      "slice_count": 2,
      "slices": "ครูโจทย์ให้นะคะ |3 หาร 1 |",
      "edit_duration": 2.04,
      "isForceout": false
    },
    {
      "message_id": 1584,
      "editor_id": 33,
      "message_received": "ลบ 2 แล้วครูก็บอกว่าหาร",
      "slice_count": 2,
      "slices": "ลบ 2 |แล้วครูก็บอกว่าหาร|",
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    },
    {
      "message_id": 1585,
      "editor_id": 33,
      "message_received": "นี่ มันมีค่ามากกว่าลบนะ",
      "slice_count": 2,
      "slices": "นี่ |มันมีค่ามากกว่าลบนะ|",
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      "isForceout": false
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " นะ|",
      "edit_duration": 0,
      "isForceout": true
    },
    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": "คะ|",
      "edit_duration": 0,
      "isForceout": false
    },
    {
      "message_id": 1586,
      "editor_id": 33,
      "message_received": "หาค่าผลลัพธ์ของนิพจน์",
      "slice_count": 1,
      "slices": "หาค่าผลลัพธ์ของนิพจน์|",
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      "isForceout": false
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": false
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    {
      "message_id": 1587,
      "editor_id": 33,
      "message_received": "Postfix ให้ครูหน่อย",
      "slice_count": 1,
      "slices": "Postfix ให้ครูหน่อย|",
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      "isForceout": false
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      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
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      "isForceout": true
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": "ผลลัพธ์สุดท้าย|",
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      "isForceout": true
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": "ตัว|",
      "edit_duration": 0,
      "isForceout": true
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    {
      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": "นี้|",
      "edit_duration": 0,
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    {
      "message_id": 1588,
      "editor_id": 33,
      "message_received": "จะได้อะไร เริ่มต้น",
      "slice_count": 2,
      "slices": "จะได้อะไร |เริ่มต้น|",
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      "message_id": 1589,
      "editor_id": 33,
      "message_received": "ทุกคนตีตารางก่อน",
      "slice_count": 1,
      "slices": "ทุกคนตีตารางก่อน|",
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      "message_id": -1,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 0,
      "isForceout": true
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      "message_id": 1590,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
      "slices": "",
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      "isForceout": false
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      "message_id": 1591,
      "editor_id": 33,
      "message_received": "",
      "slice_count": 0,
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      "message_received": "คราวนี้นะคะ ดูด้วยกัน",
      "slice_count": 2,
      "slices": "คราวนี้นะคะ| ดูด้วยกัน|",
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      "message_received": "3",
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      "message_received": "เอา 3 ไปไว้ที่ไหนคะ ที่ Output",
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      "slices": "เอา 3 ไปไว้ที่ไหนคะ |ที่ Output|",
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      "message_received": "เห็นไหมคะ เอา 3 ไปไว้ที่ Output",
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      "slices": "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_id": 1721,
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      "message_received": "เพราะมันเป็น Stack ว่าง เราก็หย่อนเครื่องหมา",
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      "slices": "เพราะมันเป็น Stack ว่าง |เราก็หย่อนเครื่องหมายหารได้เลย|",
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      "message_received": "Output เรายกมันลงมาด้วยนะ",
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      "slices": "Output เรายกมันลงมาด้วยนะ|",
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      "message_id": 1724,
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      "message_received": "ถัดไป เราอ่านเจอเลข 1 ใช่ไหมคะ เราต้องเอาเลข 1 ไปไว้",
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      "message_received": "ที่ไหน Output",
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      "message_id": 1726,
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      "message_received": "ยกลงมาก่อน เสร็จแล้วก็เติมเลข 1 ลงไป",
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      "slices": "ยกลงมาก่อน |เสร็จแล้วก็เติมเลข 1 ลงไป|",
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      "message_received": "ใน Stack ยังเหมือนเดิมนะ",
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      "slices": "ใน Stack ยังเหมือนเดิมนะ|",
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      "slices": "เรายังมีเครื่องหมายหารอยู่ |เราก็ยกลงมาได้เลย|",
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      "editor_id": 33,
      "message_received": "ถัดมา",
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      "slices": "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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      "slices": "Output |เพราะฉะนั้น จะได้เป็น|",
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      "message_received": "3, 1 แล้วก็หาร ตรงนี้หายไปใช่ไหมคะ",
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      "slices": "3, 1 |แล้วก็หาร |ตรงนี้หายไปใช่ไหมคะ |",
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      "message_received": "เสร็จแล้วก็ใส่ค่าลบ",
      "slice_count": 1,
      "slices": "เสร็จแล้วก็ใส่ค่าลบ|",
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      "message_id": 1740,
      "editor_id": 33,
      "message_received": "ลงมาใน Stack",
      "slice_count": 1,
      "slices": "ลงมาใน Stack|",
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      "message_received": "ถัดมาหย่อนอะไร",
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      "slices": "ถัดมาเราหย่อนอะไร|",
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      "message_received": "ยกของเดิมลงมาก่อนที่ Output แล้วก็ใส่เลข 2",
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      "slices": "ยกของเดิมลงมาก่อน|ที่ Output |แล้วก็ใส่เลข 2|",
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      "message_id": 1743,
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      "message_received": "ใน Stack หรืออะไรคะ",
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      "slices": "ใน Stack |หรืออะไรคะ |",
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      "message_received": "เครื่องหมายลบใช่ไม อ่านครบหมดแล้วนะ",
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      "slices": "เครื่องหมายลบใช่ไหม |อ่านครบหมดแล้วนะ|",
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      "message_id": 1745,
      "editor_id": 33,
      "message_received": "แต่ใน Stack",
      "slice_count": 1,
      "slices": "แต่ใน Stack|",
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      "message_id": 1746,
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      "message_received": "ออกมา",
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