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      "message_received": "มีมังคุด",
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      "message_received": "ทุเรียนแตงโม",
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      "slices": " ทุเรียน| แตงโม|",
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    {
      "message_id": 70,
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      "message_received": "แล้วก็ชมพู่ใช่ไหมคะ",
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      "slices": " แล้วก็ชมพู่ใช่ไหมคะ|",
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      "edit_duration_all": 4.422,
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    {
      "message_id": 71,
      "editor_id": 14,
      "message_received": "กลุ่มถัดมา",
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      "slices": "กลุ่มถั |ดมา|",
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      "message_id": 72,
      "editor_id": 14,
      "message_received": "ค่ะกลุ่มของจำนวนนับ",
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      "slices": "ค่ะ| กลุ่มของจำนวนนับ|",
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      "edit_duration_all": 3.459,
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      "message_id": 73,
      "editor_id": 33,
      "message_received": "อะไร",
      "slice_count": 1,
      "slices": "อะไร|",
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    {
      "message_id": 74,
      "editor_id": 33,
      "message_received": "บ้างคะที่เป็น",
      "slice_count": 2,
      "slices": "บ้างคะ |ที่เป็น|",
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      "message_id": 75,
      "editor_id": 33,
      "message_received": "จำนวนนับ",
      "slice_count": 1,
      "slices": "จำนวนนับ|",
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    {
      "message_id": 76,
      "editor_id": 33,
      "message_received": "ก็คือ 1",
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      "slices": " ก็คือ 1|",
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      "message_id": 77,
      "editor_id": 33,
      "message_received": " และ 2 นั้นเองค่ะ",
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      "slices": " และ 2 นั่นเองค่ะ|",
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      "message_id": 78,
      "editor_id": 33,
      "message_received": "สุดท้าย",
      "slice_count": 2,
      "slices": " |กลุ่มสุดท้าย|",
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      "message_id": 79,
      "editor_id": 33,
      "message_received": "ค่ะกลุ่มขอ",
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      "slices": "ค่ะ |กลุ่มขอ|",
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    {
      "message_id": 80,
      "editor_id": 33,
      "message_received": "งสระในภาษา",
      "slice_count": 1,
      "slices": "งสระในภาษา|",
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    {
      "message_id": 81,
      "editor_id": 33,
      "message_received": "อังกฤษอะไรบ้าง",
      "slice_count": 2,
      "slices": "อังกฤษ |อะไรบ้าง|",
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      "edit_duration_all": 11.135,
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    {
      "message_id": 82,
      "editor_id": 33,
      "message_received": "คะที่เป็นสระในภาษาอังกฤษ",
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      "slices": "คะ |ที่เป็นสระในภาษาอังกฤษ|",
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      "message_id": 83,
      "editor_id": 33,
      "message_received": "คือ",
      "slice_count": 2,
      "slices": " |คือ|",
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      "message_id": 84,
      "editor_id": 33,
      "message_received": "เออีไอโอยู",
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      "slices": "|",
      "edit_duration": 14.727,
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    {
      "message_id": 85,
      "editor_id": 33,
      "message_received": "นั่นเองนะคะ",
      "slice_count": 1,
      "slices": " a, e, i, o, u นั่นเองนะคะ|",
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      "message_id": 86,
      "editor_id": 33,
      "message_received": "พี่จะ",
      "slice_count": 2,
      "slices": " | จะ|",
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      "message_id": 87,
      "editor_id": 33,
      "message_received": "สังเกตเห็นว่า",
      "slice_count": 1,
      "slices": "สังเกตเห็นว่า|",
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      "is_forceout": false
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    {
      "message_id": 88,
      "editor_id": 14,
      "message_received": "กลุ่มทั้ง 3",
      "slice_count": 1,
      "slices": "กลุ่มทั้ง 3|",
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      "edit_duration_all": 4.013,
      "is_forceout": false
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    {
      "message_id": 89,
      "editor_id": 14,
      "message_received": " กลุ่มนี้นะคะ",
      "slice_count": 1,
      "slices": " กลุ่มนี้นะคะ|",
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      "is_forceout": false
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    {
      "message_id": 90,
      "editor_id": 14,
      "message_received": "สามารถ",
      "slice_count": 1,
      "slices": " สามารถ|",
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      "message_id": 91,
      "editor_id": 14,
      "message_received": "บอกได้แน่นอน",
      "slice_count": 1,
      "slices": "บอกได้แน่นอน|",
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      "message_id": 92,
      "editor_id": 14,
      "message_received": "เลยใช่ไหมคะ",
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      "slices": "เลยใช่ไหมคะ|",
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    {
      "message_id": 93,
      "editor_id": 14,
      "message_received": "ว่าอะไรที่อยู่ใน",
      "slice_count": 1,
      "slices": " ว่าอะไรที่อยู่ใน|",
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    {
      "message_id": 94,
      "editor_id": 14,
      "message_received": "กลุ่มและอะไร",
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      "slices": "กลุ่มและ|อะไร|",
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      "message_id": 95,
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      "message_received": "ที่ไม่ได้",
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      "message_id": 96,
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      "message_received": "อยู่ในกลุ่มใช่ไหมคะ",
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      "slices": "อยู่ในกลุ่ม|ใช่ไหมคะ|",
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    {
      "message_id": 97,
      "editor_id": 14,
      "message_received": "ลักษณะ",
      "slice_count": 2,
      "slices": " ซึ่ง|ลักษณะ|",
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      "message_id": 98,
      "editor_id": 14,
      "message_received": "แบบนี้นะคะ",
      "slice_count": 1,
      "slices": "แบบนี้นะคะ|",
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      "message_id": 99,
      "editor_id": 14,
      "message_received": "ในทางคณิตศาสตร์ค่ะ",
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      "slices": " ในทางคณิตศาสตร์ค่ะ|",
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      "message_id": 100,
      "editor_id": 14,
      "message_received": "เราจะเรียกว่าเซตค่ะ",
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      "slices": " เราจะเรียกว่า \"เซต\" |ค่ะ |",
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      "message_id": 101,
      "editor_id": 33,
      "message_received": "คณิตศาสตร์",
      "slice_count": 1,
      "slices": "คณิตศาสตร์|",
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      "message_id": 102,
      "editor_id": 33,
      "message_received": "ใช้คำว่า",
      "slice_count": 1,
      "slices": "ใช้คำว่า|",
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      "message_id": 103,
      "editor_id": 33,
      "message_received": "เซตนะคะ",
      "slice_count": 1,
      "slices": " \"เซต\" นะคะ|",
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      "message_id": 104,
      "editor_id": 33,
      "message_received": "ในการกล่าว",
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      "slices": " |ในการกล่าว|",
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      "message_id": 105,
      "editor_id": 33,
      "message_received": "ถึงกลุ่มของสิ่งต่างๆ",
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      "slices": "ถึงกลุ่มของสิ่งต่าง ๆ|",
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      "message_id": 106,
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      "message_received": "และเมื่อ",
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      "slices": " |และเมื่อ|",
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      "message_id": 107,
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      "message_received": "กล่าวถึง",
      "slice_count": 1,
      "slices": "กล่าวถึง|",
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      "message_id": 108,
      "editor_id": 33,
      "message_received": "กลุ่มใดแล้วนะคะ",
      "slice_count": 1,
      "slices": "กลุ่มใดแล้วนะคะ|",
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    {
      "message_id": 109,
      "editor_id": 33,
      "message_received": "สามารถ",
      "slice_count": 2,
      "slices": " |สามารถ|",
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      "message_id": 110,
      "editor_id": 33,
      "message_received": "ทราบได้แน่",
      "slice_count": 1,
      "slices": "ทราบได้แน่|",
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    {
      "message_id": 111,
      "editor_id": 33,
      "message_received": "นอนว่าสิ่งใด",
      "slice_count": 2,
      "slices": "นอน|ว่าสิ่งใด|",
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      "message_received": "อยู่ในกลุ่ม",
      "slice_count": 1,
      "slices": "อยู่ในกลุ่ม|",
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      "message_id": 113,
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      "message_received": "และ",
      "slice_count": 2,
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      "message_id": 114,
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      "message_received": "สิ่งใดไม่",
      "slice_count": 1,
      "slices": "สิ่งใดไม่|",
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      "message_id": 115,
      "editor_id": 33,
      "message_received": "อยู่ในกลุ่มค่ะ",
      "slice_count": 1,
      "slices": "อยู่ในกลุ่มค่ะ |",
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      "edit_duration_all": 7.055,
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    {
      "message_id": 116,
      "editor_id": 14,
      "message_received": "ตัวอย่างเช่นค่ะ",
      "slice_count": 1,
      "slices": "ตัวอย่างเช่นค่ะ|",
      "edit_duration": 4.625,
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    {
      "message_id": 117,
      "editor_id": 14,
      "message_received": "เซตของ",
      "slice_count": 1,
      "slices": " เซตของ|",
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      "message_id": 118,
      "editor_id": 14,
      "message_received": "จำนวนนับที่น้อย",
      "slice_count": 1,
      "slices": "จำนวนนับที่น้อย|",
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      "message_id": 119,
      "editor_id": 14,
      "message_received": "กว่า 3 นะคะ",
      "slice_count": 1,
      "slices": "กว่า 3 นะคะ|",
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    {
      "message_id": 120,
      "editor_id": 14,
      "message_received": "เซตของ",
      "slice_count": 1,
      "slices": " เซตของ|",
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      "edit_duration_all": 3.321,
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      "message_id": 121,
      "editor_id": 14,
      "message_received": "สระในภาษาอังกฤษค่ะ",
      "slice_count": 2,
      "slices": "สระ|ในภาษาอังกฤษค่ะ|",
      "edit_duration": 2.64,
      "edit_duration_all": 3.411,
      "is_forceout": false
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    {
      "message_id": 122,
      "editor_id": 14,
      "message_received": "เซตของ",
      "slice_count": 2,
      "slices": " เซต|ของ|",
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      "edit_duration_all": 5.196,
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    {
      "message_id": 123,
      "editor_id": 14,
      "message_received": "ชื่อวันในสัปดาห์",
      "slice_count": 1,
      "slices": "ชื่อวันในสัปดาห์ |",
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    {
      "message_id": 124,
      "editor_id": 14,
      "message_received": "และเรา",
      "slice_count": 1,
      "slices": "และเรา|",
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      "message_id": 125,
      "editor_id": 14,
      "message_received": "จะเรียกสิ่ง",
      "slice_count": 1,
      "slices": "จะเรียกสิ่ง|",
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      "message_id": 126,
      "editor_id": 14,
      "message_received": "ที่อยู่ในเฟซ",
      "slice_count": 1,
      "slices": "ที่อยู่ใน|",
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      "message_id": 127,
      "editor_id": 14,
      "message_received": "เซตนะคะว่าสมาชิกค่ะ",
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      "slices": "เซตนะคะ| ว่า \"สมาชิก\" |ค่ะ|",
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    {
      "message_id": 128,
      "editor_id": 14,
      "message_received": "ตัวอย่างเช่นนะคะ",
      "slice_count": 1,
      "slices": "ตัวอย่างเช่นนะคะ |",
      "edit_duration": 6.42,
      "edit_duration_all": 6.42,
      "is_forceout": false
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    {
      "message_id": 129,
      "editor_id": 33,
      "message_received": "เซตของ",
      "slice_count": 1,
      "slices": "เซตของ|",
      "edit_duration": 6.308,
      "edit_duration_all": 6.308,
      "is_forceout": false
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    {
      "message_id": 130,
      "editor_id": 33,
      "message_received": "จำนวนนับที่น้อย",
      "slice_count": 1,
      "slices": "จำนวนนับ ที่น้อย|",
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    {
      "message_id": 131,
      "editor_id": 33,
      "message_received": "กว่า 3 ค่ะ",
      "slice_count": 1,
      "slices": "กว่า 3 ค่ะ|",
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    {
      "message_id": 132,
      "editor_id": 33,
      "message_received": "นักเรียนสามารถ",
      "slice_count": 2,
      "slices": " | นักเรียนสามารถ|",
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    {
      "message_id": 133,
      "editor_id": 33,
      "message_received": "บอกแม่ค้าว่าเซต",
      "slice_count": 2,
      "slices": "บอกได้ไหมคะ |ว่าเซต|",
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    {
      "message_id": 134,
      "editor_id": 33,
      "message_received": "นี้มีสมาชิกเป็นอะไรบ้าง",
      "slice_count": 2,
      "slices": "นี้ |มีสมาชิกเป็นอะไรบ้าง|",
      "edit_duration": 11.395,
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      "is_forceout": false
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      "message_received": "หลักการวิธีหานะคะ",
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      "message_received": "เซตนี้นะคะ",
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      "message_received": " และลบ 2 ค่ะ",
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      "message_received": "เซตนะคะ",
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      "message_received": "แบบ",
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      "message_received": " คือแบบ",
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      "message_received": "บอกเงื่อนไข",
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      "message_received": "ของสมาชิก",
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      "message_received": "ที่เห็นคือ",
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      "message_received": "แบบแจกแจง",
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      "message_received": "สมาชิกกันดีกว่านะคะ",
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      "message_received": "เป็นจำนวน",
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      "message_received": "ได้ 16",
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      "message_received": "เมื่อคืน",
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      "message_received": " 4 ค่ะ",
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      "message_received": "ที่นี่ค่ะ",
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      "message_received": "ในกรณีที่",
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      "message_received": "สมาชิก",
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      "message_received": "ของเซตนะคะ",
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      "message_received": "มีจำนวนมาก",
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      "message_received": "การ",
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      "message_received": "เขียนเซตแบบ",
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      "message_received": "แจกแจงสมาชิกนั้นนะคะ",
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      "message_received": "เรา",
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      "message_received": "จะใช้จุด 3",
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      "message_received": "เพื่อแสดง",
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      "message_received": "ว่ามีสมาชิกอื่นๆ",
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      "message_received": "ที่เข้าใจกันทั่วไปค่ะ",
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      "message_id": 300,
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      "message_received": "ว่า",
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      "message_received": "นะคะหมายความว่าสมมุติ",
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      "message_received": "ทั้งหมด",
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      "message_received": "นะคะในเฟซนั้น",
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      "message_received": "ออกมาได้ลำบาก",
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      "message_received": "หลักการ",
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      "message_received": "ก็คือเราจะ",
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      "message_received": "ใช้จุด 3 จุด",
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      "message_received": "นะคะแสดงว่า",
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      "message_received": "จัดไปค่ะ",
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      "message_received": "อยู่",
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      "message_received": "ในเฟซนั้น",
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      "message_received": "ด้วยนะคะตัวอย่างเช่นค่ะ",
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      "message_received": "ให้",
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      "message_received": "สิแทนเซต",
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      "slices": " C แทนเซต|",
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      "message_received": "ของพยัญชนะ",
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      "message_received": "ในภาษาไทยนะคะ",
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      "message_received": "เรา",
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      "message_received": "ก็จะเขียน",
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      "message_received": "แบบนี้ค่ะ",
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      "message_received": "4 =",
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      "message_received": " นะคะหลัง",
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      "message_received": "จากนั้นพยัญชนะภาษา",
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      "message_received": "ไทยค่ะขึ้นต้น",
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      "message_received": "ตัวเลขอะไรคะ",
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      "editor_id": 14,
      "message_received": "กไก่",
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      "message_received": "ขอไข่ขอขวดใช่ไหมคะ",
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      "message_id": 334,
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      "message_received": "แล้วก็จะ",
      "slice_count": 1,
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      "message_received": "เขียนลงไปค่ะ",
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      "slices": "เขียนลงไปค่ะ|",
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      "message_received": "ส่วนตัว",
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      "message_received": "ถัดไปนะคะเราจะใช้",
      "slice_count": 2,
      "slices": "ถัดไปนะคะ| เราจะใช้|",
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      "message_id": 338,
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      "message_received": "จุด 3 จุด",
      "slice_count": 1,
      "slices": "จุด 3 จุด|",
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      "message_received": "ค่ะเป็นตัวแทน",
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      "slices": "ค่ะ|เป็นตัวแทน|",
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      "editor_id": 14,
      "message_received": "แล้ว",
      "slice_count": 1,
      "slices": " แล้ว|",
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      "message_id": 341,
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      "message_received": "ตัวสุดท้ายคือ",
      "slice_count": 1,
      "slices": "ตัวสุดท้าย คือ|",
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      "message_id": 342,
      "editor_id": 14,
      "message_received": "พ่อนกฮูกคะก็จะเขียนปิดท้ายค่ะ",
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      "message_received": "ไรก็ดี",
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      "message_received": "กว่านะคะ",
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      "message_received": "ให้",
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      "message_received": " D แทนเซตของจำนวนคู่",
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      "message_received": "นักเรียน",
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      "message_received": "ทราบไหมคะว่า",
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      "message_received": "จำนวนคู่มีอะไรบ้าง",
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      "message_received": "นัก",
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      "message_received": "เรียนหลายคนนะ",
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      "slices": "เรียนหลายคนนะ|",
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      "message_id": 356,
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      "message_received": "คะอาจจะเข้า",
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      "message_received": "ใจว่าจำนวน",
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      "message_received": "คู่นะคะ",
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      "message_received": "ก็คือได้แก่จำนวน",
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      "message_received": " 246",
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      "message_id": 361,
      "editor_id": 14,
      "message_received": "8",
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      "message_received": " ไปเรื่อย",
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      "message_received": "ๆใช่ไหมคะ",
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      "message_received": "แต่จริงๆแล้วนะคะ",
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      "message_received": "จำนวนคู่",
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      "message_received": "นะคะยัง",
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      "message_received": "มีมากกว่า",
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      "message_received": "นั้นอีกค่ะ",
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      "message_received": "จำนวนคู่",
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      "message_received": "นะคะในทางคณิต",
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      "message_received": "ศาสตร์ค่ะหมายถึง",
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      "message_received": "จำนวนที่หารด้วย",
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      "message_id": 373,
      "editor_id": 14,
      "message_received": " 2 ลงตัวนะคะ",
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      "slices": " 2 ลงตัวนะคะ |",
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      "message_received": "ซึ่งสามารถ",
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      "slices": "ซึ่งสามารถ|",
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      "message_received": "เป็นจำนวนคู่",
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      "slices": "เป็นจำนวนคู่|",
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      "message_id": 376,
      "editor_id": 33,
      "message_received": "ลบก็ได้",
      "slice_count": 1,
      "slices": "ลบก็ได้|",
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      "message_received": "ค่ะตัวอย่างเช่น - 2",
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      "message_id": 378,
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      "message_received": " - 4",
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      "message_id": 379,
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      "message_received": " - 6",
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      "message_received": "ลบ",
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      "editor_id": 33,
      "message_received": "แท็กไปเรื่อยๆค่ะ",
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      "slices": "8 ไปเรื่อย ๆ ค่ะ|",
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      "message_id": 382,
      "editor_id": 33,
      "message_received": "รวมถึงศูนย์ด้วยนะ",
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      "slices": " |รวมถึง0ย์ด้วยนะ|",
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      "message_id": 383,
      "editor_id": 33,
      "message_received": "คะ",
      "slice_count": 1,
      "slices": "คะ|",
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      "message_id": 384,
      "editor_id": 33,
      "message_received": "ศูนย์ก็หารด้วย 2",
      "slice_count": 1,
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      "message_id": 385,
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      "message_received": " ลงตัวค่ะ",
      "slice_count": 1,
      "slices": " ลงตัวค่ะ|",
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      "message_id": 386,
      "editor_id": 33,
      "message_received": "มีผลลัพธ์เป็นศูนย์",
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      "slices": "มีผลลัพธ์เป็นศูนย์|",
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    {
      "message_id": 387,
      "editor_id": 33,
      "message_received": "นัดแล้วนะคะ",
      "slice_count": 1,
      "slices": "นัดแล้วนะคะ|",
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      "message_id": 388,
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      "message_received": "การ",
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      "message_id": 389,
      "editor_id": 33,
      "message_received": "เขียนเซตดีนะ",
      "slice_count": 1,
      "slices": "เขียนเซตดีนะ |",
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      "message_id": 390,
      "editor_id": 14,
      "message_received": "คะเราจะเริ่มต้นจาก",
      "slice_count": 2,
      "slices": "คะ |เราจะเริ่มต้นจาก|",
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      "message_id": 391,
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      "message_received": "เขียนชื่อเฟซนะคะ",
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      "message_id": 392,
      "editor_id": 14,
      "message_received": "และ",
      "slice_count": 1,
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      "message_received": "เขียนจำนวนคู่ลบก่อนค่ะ",
      "slice_count": 1,
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      "message_id": 394,
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      "message_received": "เราก็คือ",
      "slice_count": 1,
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      "message_received": " - 6",
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      "message_received": " ไปเรื่อย",
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      "message_id": 398,
      "editor_id": 14,
      "message_received": "ๆใช่ไหมคะ",
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      "slices": " ๆ |ใช่ไหมคะ|",
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      "message_id": 399,
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      "message_received": "ปีนี้เรา",
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      "message_received": "ต้องเขียนจำ",
      "slice_count": 1,
      "slices": "ต้องเขียนจำ|",
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      "message_id": 401,
      "editor_id": 14,
      "message_received": "นวนที่น้อย",
      "slice_count": 1,
      "slices": "นวนที่น้อย|",
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      "message_id": 402,
      "editor_id": 14,
      "message_received": "ที่สุดก่อนค่ะ",
      "slice_count": 1,
      "slices": "ที่สุดก่อนค่ะ|",
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      "message_id": 403,
      "editor_id": 14,
      "message_received": "ซึ่งเรา",
      "slice_count": 1,
      "slices": " ซึ่งเรา|",
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    {
      "message_id": 404,
      "editor_id": 14,
      "message_received": "ไม่ทราบนะคะ",
      "slice_count": 1,
      "slices": "ไม่ทราบนะคะ |",
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      "message_id": 405,
      "editor_id": 33,
      "message_received": "เข้าไปเรื่อย",
      "slice_count": 1,
      "slices": "เพราะไปเรื่อย|",
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      "message_id": 406,
      "editor_id": 33,
      "message_received": "ๆเพราะฉะนั้นแล้วเราก็จะคิด",
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      "slices": " ๆ เพราะฉะนั้น |แล้วเราก็จะคิด|",
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      "message_id": 407,
      "editor_id": 33,
      "message_received": "และการลบ",
      "slice_count": 1,
      "slices": "และการลบ|",
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      "message_id": 408,
      "editor_id": 33,
      "message_received": "- 4 - 2",
      "slice_count": 1,
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      "message_id": 409,
      "editor_id": 33,
      "message_received": "หลัง",
      "slice_count": 2,
      "slices": " |หลัง|",
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      "message_id": 410,
      "editor_id": 33,
      "message_received": "จากนั้นก็",
      "slice_count": 1,
      "slices": "จากนั้นก็|",
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      "message_id": 411,
      "editor_id": 33,
      "message_received": "ตามด้วย 0 นะคะ",
      "slice_count": 1,
      "slices": "ตามด้วย 0 นะคะ|",
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      "message_id": 412,
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      "message_received": "ส่วนถัดมานะคะก็คือ x ค่ะ",
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      "message_received": "เซตค่ะ",
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      "message_received": "เดียวกับชื่อเฟซ",
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      "message_received": "เซตนะคะแต่ต้องเป็นตัวอักษร",
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      "message_received": "สัญลักษณ์",
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      "message_received": "ขีดตรงนี้นะ",
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      "message_received": "คะเราจะอ่านว่า",
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      "message_received": "โดยที่ค่ะ",
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      "message_received": "สามารถใช้สัญลักษณ์",
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      "message_received": "ลักษณะจุด 2 จุดนะคะ",
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      "slices": "ลักษณะจุด 2 จุดนะคะ|",
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      "message_received": "แทน",
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      "message_received": "สัญลักษณ์ขีด",
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      "message_received": "ตรงๆนี้ได้ด้วยค่ะ",
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      "message_received": "ส่วนคำ",
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      "message_received": "ว่า x เป็น",
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      "message_received": "จำนวนนับนะคะ",
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      "message_received": "ที่มีหลักเดียวนะคะ",
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      "message_received": "เงื่อนไขหรือสมบัติค่ะ",
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      "message_received": "อยาก",
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      "message_received": "ซึ่งในที่นี้",
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      "message_received": "ก็คือจำนวน",
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      "message_received": "นับที่มีหลักเดียวค่ะ",
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      "message_received": "ก็",
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      "message_received": "คือ 1",
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      "message_received": " 2 3",
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      "message_received": " ไปเรื่อยๆจนถึง",
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      "editor_id": 33,
      "message_received": " 9 นะคะ",
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      "message_received": "ใจมากขึ้นกว่าค่ะ",
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      "message_received": "ถัดไปนะคะ",
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      "message_received": "ให้ P แทนเซตของ",
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      "slices": " |ให้ P แทนเซตของ|",
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      "message_received": "จำนวนเต็มที่",
      "slice_count": 1,
      "slices": "จำนวนเต็มที่|",
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      "message_id": 538,
      "editor_id": 33,
      "message_received": "ยก",
      "slice_count": 1,
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      "message_received": "กำลังสองแล้วได้ 16",
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      "message_received": "แค่นี้นะ",
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      "message_received": "คะวิธีการเขียน",
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      "message_received": "เซตฟรีค่ะ",
      "slice_count": 1,
      "slices": "เซต B ค่ะ|",
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      "message_received": "ตา",
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      "message_received": "มโปรแกรมนะคะ",
      "slice_count": 1,
      "slices": "มโปรแกรมนะคะ|",
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      "message_received": "ซึ่งในที่นี้",
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      "slices": " ซึ่งในที่นี้|",
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      "editor_id": 14,
      "message_received": "คุณครูจะ",
      "slice_count": 1,
      "slices": "คุณครูจะ|",
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      "message_received": "เลือกใช้ตัว",
      "slice_count": 1,
      "slices": "เลือกใช้ตัว|",
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      "message_id": 548,
      "editor_id": 14,
      "message_received": "ค่ะ",
      "slice_count": 1,
      "slices": "แปร x ค่ะ|",
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      "message_id": 549,
      "editor_id": 14,
      "message_received": "แล้วตามด้วย",
      "slice_count": 1,
      "slices": " แล้วตามด้วย|",
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      "editor_id": 14,
      "message_received": "สัญลักษณ์โดยที่นะคะ",
      "slice_count": 1,
      "slices": "สัญลักษณ์โดยที่นะคะ|",
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      "edit_duration_all": 9.509,
      "is_forceout": false
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      "message_id": 551,
      "editor_id": 14,
      "message_received": "เงื่อนไข",
      "slice_count": 1,
      "slices": " เงื่อนไข|",
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      "edit_duration_all": 9.879,
      "is_forceout": false
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    {
      "message_id": 552,
      "editor_id": 14,
      "message_received": "ของเส้นนี้นะคะ",
      "slice_count": 2,
      "slices": "ของเซต|นี้นะคะ|",
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      "edit_duration_all": 9.273,
      "is_forceout": false
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    {
      "message_id": 553,
      "editor_id": 14,
      "message_received": "คือต้องการจำนวน",
      "slice_count": 1,
      "slices": " คือต้องการจำนวน|",
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      "edit_duration_all": 9.517,
      "is_forceout": false
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    {
      "message_id": 554,
      "editor_id": 14,
      "message_received": "เต็มนะคะ",
      "slice_count": 1,
      "slices": "เต็มนะคะ|",
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      "edit_duration_all": 8.799,
      "is_forceout": false
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    {
      "message_id": 555,
      "editor_id": 14,
      "message_received": "เพราะฉะนั้นแล้ว",
      "slice_count": 1,
      "slices": " เพราะฉะนั้นแล้ว|",
      "edit_duration": 10.037,
      "edit_duration_all": 10.037,
      "is_forceout": false
    },
    {
      "message_id": 556,
      "editor_id": 14,
      "message_received": "จะเขียนเซตนี้ว่า",
      "slice_count": 3,
      "slices": " |ครู|จะเขียนเซตนี้ว่า|",
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      "edit_duration_all": 11.957,
      "is_forceout": false
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    {
      "message_id": 557,
      "editor_id": 33,
      "message_received": "จำนวนเต็มค่ะ",
      "slice_count": 2,
      "slices": "x เป็นจำนวนเต็มค่ะ| |",
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      "edit_duration_all": 13.349,
      "is_forceout": false
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      "message_id": 558,
      "editor_id": 33,
      "message_received": "และเงื่อนไข",
      "slice_count": 1,
      "slices": "และเงื่อนไข|",
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      "is_forceout": false
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    {
      "message_id": 559,
      "editor_id": 33,
      "message_received": "ที่ 2 นะ",
      "slice_count": 1,
      "slices": "ที่ 2 นะ|",
      "edit_duration": 3.696,
      "edit_duration_all": 3.696,
      "is_forceout": false
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    {
      "message_id": 560,
      "editor_id": 33,
      "message_received": "คะก็คือ",
      "slice_count": 2,
      "slices": "คะ| ก็คือ|",
      "edit_duration": 2.539,
      "edit_duration_all": 5.836,
      "is_forceout": false
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    {
      "message_id": 561,
      "editor_id": 33,
      "message_received": "ต้องการให้",
      "slice_count": 1,
      "slices": "ต้องการให้|",
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      "edit_duration_all": 4.886,
      "is_forceout": false
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    {
      "message_id": 562,
      "editor_id": 33,
      "message_received": "ยกกำลัง 2 นะคะ",
      "slice_count": 1,
      "slices": "ยกกำลัง 2 นะคะ|",
      "edit_duration": 4.686,
      "edit_duration_all": 4.686,
      "is_forceout": false
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    {
      "message_id": 563,
      "editor_id": 33,
      "message_received": "แล้ว",
      "slice_count": 2,
      "slices": " |แล้ว|",
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      "edit_duration_all": 5.883,
      "is_forceout": false
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    {
      "message_id": 564,
      "editor_id": 33,
      "message_received": "ได้ 16 ค่ะ",
      "slice_count": 1,
      "slices": "ได้ 16 ค่ะ|",
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      "edit_duration_all": 5.625,
      "is_forceout": false
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    {
      "message_id": 565,
      "editor_id": 33,
      "message_received": "ซึ่งใน",
      "slice_count": 1,
      "slices": " ซึ่งใน|",
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      "edit_duration_all": 4.267,
      "is_forceout": false
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    {
      "message_id": 566,
      "editor_id": 33,
      "message_received": "ที่นี้นะคะ",
      "slice_count": 1,
      "slices": "ที่นี้นะคะ|",
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      "edit_duration_all": 3.548,
      "is_forceout": false
    },
    {
      "message_id": 567,
      "editor_id": 33,
      "message_received": "ตัวแปรของเรา",
      "slice_count": 2,
      "slices": " |ตัวแปรของเรา|",
      "edit_duration": 3.046,
      "edit_duration_all": 16.013,
      "is_forceout": true
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    {
      "message_id": 568,
      "editor_id": 33,
      "message_received": "เป็น f เราจะ",
      "slice_count": 1,
      "slices": "เป็น X  เราจะ|",
      "edit_duration": 16.016,
      "edit_duration_all": 16.016,
      "is_forceout": true
    },
    {
      "message_id": 569,
      "editor_id": 33,
      "message_received": "ต้องใช้ X ยกกำลัง 2 เท่ากับ",
      "slice_count": 1,
      "slices": "ต้องใช้ x ยกกำลัง 2 เท่ากับ|",
      "edit_duration": 14.445,
      "edit_duration_all": 14.445,
      "is_forceout": false
    },
    {
      "message_id": 570,
      "editor_id": 33,
      "message_received": "มีค่ะ",
      "slice_count": 1,
      "slices": " 16 ค่ะ|",
      "edit_duration": 13.952,
      "edit_duration_all": 13.952,
      "is_forceout": false
    },
    {
      "message_id": 571,
      "editor_id": 33,
      "message_received": "เดี๋ยว",
      "slice_count": 2,
      "slices": " |เดี๋ยว|",
      "edit_duration": 10.189,
      "edit_duration_all": 11.7,
      "is_forceout": false
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    {
      "message_id": 572,
      "editor_id": 14,
      "message_received": "คุณครูจะอ่านเฟซ",
      "slice_count": 1,
      "slices": "คุณครูจะอ่านเซต|",
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      "edit_duration_all": 4.953,
      "is_forceout": false
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    {
      "message_id": 573,
      "editor_id": 14,
      "message_received": "นี้ให้ฟังอีกครั้งนะคะ",
      "slice_count": 1,
      "slices": "นี้ให้ฟังอีกครั้งนะคะ|",
      "edit_duration": 5.154,
      "edit_duration_all": 5.154,
      "is_forceout": false
    },
    {
      "message_id": 574,
      "editor_id": 14,
      "message_received": "แค่นี้นะคะ",
      "slice_count": 2,
      "slices": " อันนี้ เซต|นี้นะคะ|",
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      "edit_duration_all": 7.92,
      "is_forceout": false
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    {
      "message_id": 575,
      "editor_id": 14,
      "message_received": "อ่านว่าเซตของ",
      "slice_count": 2,
      "slices": " อ่านว่า|เซตของ|",
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      "edit_duration_all": 10.577,
      "is_forceout": false
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    {
      "message_id": 576,
      "editor_id": 14,
      "message_received": "ดีประกอบ",
      "slice_count": 2,
      "slices": " D |ประกอบ|",
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      "is_forceout": false
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    {
      "message_id": 577,
      "editor_id": 14,
      "message_received": "ไปด้วยสมาชิก",
      "slice_count": 1,
      "slices": "ไปด้วยสมาชิก|",
      "edit_duration": 10.505,
      "edit_duration_all": 10.505,
      "is_forceout": false
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    {
      "message_id": 578,
      "editor_id": 14,
      "message_received": "โดยที่ x",
      "slice_count": 1,
      "slices": "โดยที่ x|",
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      "edit_duration_all": 9.154,
      "is_forceout": false
    },
    {
      "message_id": 579,
      "editor_id": 14,
      "message_received": "เป็นจำนวนเต็ม",
      "slice_count": 2,
      "slices": " |เป็นจำนวนเต็ม|",
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      "edit_duration_all": 9.542,
      "is_forceout": false
    },
    {
      "message_id": 580,
      "editor_id": 14,
      "message_received": "และ",
      "slice_count": 1,
      "slices": " และ|",
      "edit_duration": 10.483,
      "edit_duration_all": 10.483,
      "is_forceout": false
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    {
      "message_id": 581,
      "editor_id": 14,
      "message_received": " x ^ 2",
      "slice_count": 1,
      "slices": " x ^ 2|",
      "edit_duration": 9.579,
      "edit_duration_all": 9.579,
      "is_forceout": false
    },
    {
      "message_id": 582,
      "editor_id": 14,
      "message_received": " = 16",
      "slice_count": 1,
      "slices": " = 16|",
      "edit_duration": 9.371,
      "edit_duration_all": 9.371,
      "is_forceout": false
    },
    {
      "message_id": 583,
      "editor_id": 14,
      "message_received": "ค่ะ",
      "slice_count": 1,
      "slices": " ค่ะ|",
      "edit_duration": 8.679,
      "edit_duration_all": 8.679,
      "is_forceout": false
    },
    {
      "message_id": 584,
      "editor_id": 14,
      "message_received": "ต่อไป",
      "slice_count": 2,
      "slices": " |ต่อไป|",
      "edit_duration": 3.818,
      "edit_duration_all": 4.645,
      "is_forceout": false
    },
    {
      "message_id": 585,
      "editor_id": 14,
      "message_received": "นะคะ",
      "slice_count": 1,
      "slices": "นะคะ|",
      "edit_duration": 2.837,
      "edit_duration_all": 2.837,
      "is_forceout": false
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    {
      "message_id": 586,
      "editor_id": 14,
      "message_received": "ให้ฟรีค่ะแทนเซตของพยัญชนะในภาษาไทย",
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      "slices": " ให้ C ค่ะ| แทนเซตของพยัญชนะในภาษาไทย เดี๋ยวเรามา|",
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      "is_forceout": false
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    {
      "message_id": 587,
      "editor_id": 33,
      "message_received": "เขียน",
      "slice_count": 1,
      "slices": "เขียน|",
      "edit_duration": 4.48,
      "edit_duration_all": 4.48,
      "is_forceout": false
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      "message_id": 588,
      "editor_id": 33,
      "message_received": "เซต C กันดีกว่าค่ะ",
      "slice_count": 1,
      "slices": "เซต C กันดีกว่าค่ะ|",
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      "edit_duration_all": 4.385,
      "is_forceout": false
    },
    {
      "message_id": 589,
      "editor_id": 33,
      "message_received": "อันดับ",
      "slice_count": 2,
      "slices": " |อันดับ|",
      "edit_duration": 2.563,
      "edit_duration_all": 3.89,
      "is_forceout": false
    },
    {
      "message_id": 590,
      "editor_id": 33,
      "message_received": "แรกก็เขียน",
      "slice_count": 2,
      "slices": "แรก |ก็เขียน|",
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      "edit_duration_all": 7.517,
      "is_forceout": false
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    {
      "message_id": 591,
      "editor_id": 33,
      "message_received": "ชื่อเซ็นค่ะ",
      "slice_count": 1,
      "slices": "ชื่อเซตค่ะ|",
      "edit_duration": 6.36,
      "edit_duration_all": 6.36,
      "is_forceout": false
    },
    {
      "message_id": 592,
      "editor_id": 33,
      "message_received": "ตามด้วยตัวแปรนะคะ",
      "slice_count": 2,
      "slices": " |ตามด้วยตัวแปรนะคะ|",
      "edit_duration": 5.913,
      "edit_duration_all": 7.489,
      "is_forceout": false
    },
    {
      "message_id": 593,
      "editor_id": 33,
      "message_received": "สัญลักษณ์โดยที่",
      "slice_count": 2,
      "slices": " |ตามด้วยสัญลักษณ์โดยที่|",
      "edit_duration": 5.75,
      "edit_duration_all": 10.541,
      "is_forceout": false
    },
    {
      "message_id": 594,
      "editor_id": 33,
      "message_received": "และ",
      "slice_count": 2,
      "slices": " |และ|",
      "edit_duration": 8.686,
      "edit_duration_all": 13.831,
      "is_forceout": false
    },
    {
      "message_id": 595,
      "editor_id": 33,
      "message_received": "เขียนว่า S เป็นพยัญชนะ",
      "slice_count": 1,
      "slices": "เขียนว่า X เป็นพยัญชนะ|",
      "edit_duration": 12.119,
      "edit_duration_all": 12.119,
      "is_forceout": false
    },
    {
      "message_id": 596,
      "editor_id": 33,
      "message_received": "ในภาษาไทยค่ะ",
      "slice_count": 1,
      "slices": "ในภาษาไทยค่ะ ฃ|",
      "edit_duration": 12.009,
      "edit_duration_all": 12.009,
      "is_forceout": false
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    {
      "message_id": 597,
      "editor_id": 33,
      "message_received": "เดี๋ยว",
      "slice_count": 1,
      "slices": " เดี๋ยว|",
      "edit_duration": 11.709,
      "edit_duration_all": 11.709,
      "is_forceout": false
    },
    {
      "message_id": 598,
      "editor_id": 33,
      "message_received": "มาดูตัว",
      "slice_count": 1,
      "slices": "มาดูตัว|",
      "edit_duration": 11.187,
      "edit_duration_all": 11.187,
      "is_forceout": false
    },
    {
      "message_id": 599,
      "editor_id": 33,
      "message_received": "อย่างเศรษฐีนะคะ",
      "slice_count": 1,
      "slices": "อย่างเซต G นะคะ|",
      "edit_duration": 10.482,
      "edit_duration_all": 10.482,
      "is_forceout": false
    },
    {
      "message_id": 600,
      "editor_id": 33,
      "message_received": "ครูให้ใช้จีค่ะประกอบ",
      "slice_count": 2,
      "slices": " |ครูให้เซต G ค่ะ ประกอบ|",
      "edit_duration": 7.939,
      "edit_duration_all": 16.015,
      "is_forceout": true
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    {
      "message_id": 601,
      "editor_id": 14,
      "message_received": "ไปด้วยสมาชิก",
      "slice_count": 1,
      "slices": "ไปด้วยสมาชิก|",
      "edit_duration": 3.461,
      "edit_duration_all": 3.461,
      "is_forceout": false
    },
    {
      "message_id": 602,
      "editor_id": 14,
      "message_received": "คือ 2 และ",
      "slice_count": 1,
      "slices": " คือ 2 และ|",
      "edit_duration": 4.976,
      "edit_duration_all": 4.976,
      "is_forceout": false
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    {
      "message_id": 603,
      "editor_id": 14,
      "message_received": "เศษ 1",
      "slice_count": 1,
      "slices": "เศษ 1|",
      "edit_duration": 4.352,
      "edit_duration_all": 4.352,
      "is_forceout": false
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    {
      "message_id": 604,
      "editor_id": 14,
      "message_received": " ส่วน 2 ค่ะ",
      "slice_count": 1,
      "slices": " ส่วน 2 ค่ะ|",
      "edit_duration": 4.268,
      "edit_duration_all": 4.268,
      "is_forceout": false
    },
    {
      "message_id": 605,
      "editor_id": 14,
      "message_received": "คำ",
      "slice_count": 2,
      "slices": " |คำ|",
      "edit_duration": 0.945,
      "edit_duration_all": 4.869,
      "is_forceout": false
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    {
      "message_id": 606,
      "editor_id": 14,
      "message_received": "ว่าเป็นสมาชิก",
      "slice_count": 1,
      "slices": "ว่า \"เป็นสมาชิก|",
      "edit_duration": 4.04,
      "edit_duration_all": 4.04,
      "is_forceout": false
    },
    {
      "message_id": 607,
      "editor_id": 14,
      "message_received": "ของนะคะหรือ",
      "slice_count": 2,
      "slices": "ของ\" นะคะ| \"หรือ|",
      "edit_duration": 2.934,
      "edit_duration_all": 4.681,
      "is_forceout": false
    },
    {
      "message_id": 608,
      "editor_id": 14,
      "message_received": "อยู่ในนะคะ",
      "slice_count": 1,
      "slices": "อยู่ใน\" นะคะ|",
      "edit_duration": 3.999,
      "edit_duration_all": 3.999,
      "is_forceout": false
    },
    {
      "message_id": 609,
      "editor_id": 14,
      "message_received": "จะเขียนแทนด้วย",
      "slice_count": 1,
      "slices": " จะเขียนแทนด้วย|",
      "edit_duration": 5.179,
      "edit_duration_all": 5.179,
      "is_forceout": false
    },
    {
      "message_id": 610,
      "editor_id": 14,
      "message_received": "สัญลักษณ์นี้ค่ะ",
      "slice_count": 1,
      "slices": "สัญลักษณ์นี้ค่ะ|",
      "edit_duration": 5.177,
      "edit_duration_all": 5.177,
      "is_forceout": false
    },
    {
      "message_id": 611,
      "editor_id": 14,
      "message_received": "รัก",
      "slice_count": 1,
      "slices": " |",
      "edit_duration": 5.759,
      "edit_duration_all": 5.759,
      "is_forceout": false
    },
    {
      "message_id": 612,
      "editor_id": 14,
      "message_received": "แบบนี้นะคะ",
      "slice_count": 2,
      "slices": "สัญลักษณ์|แบบนี้นะคะ|",
      "edit_duration": 5.757,
      "edit_duration_all": 6.4,
      "is_forceout": false
    },
    {
      "message_id": 613,
      "editor_id": 14,
      "message_received": "ตัวอย่างเช่นนะคะ",
      "slice_count": 1,
      "slices": " ตัวอย่างเช่นนะคะ|",
      "edit_duration": 6.014,
      "edit_duration_all": 6.014,
      "is_forceout": false
    },
    {
      "message_id": 614,
      "editor_id": 14,
      "message_received": "ต้อง",
      "slice_count": 2,
      "slices": " คุณครู|ต้อง|",
      "edit_duration": 6.712,
      "edit_duration_all": 7.827,
      "is_forceout": false
    },
    {
      "message_id": 615,
      "editor_id": 14,
      "message_received": "การบอกว่า 2",
      "slice_count": 1,
      "slices": "การบอกว่า 2|",
      "edit_duration": 7.825,
      "edit_duration_all": 7.825,
      "is_forceout": false
    },
    {
      "message_id": 616,
      "editor_id": 14,
      "message_received": "เป็นสมาชิก",
      "slice_count": 1,
      "slices": " เป็นสมาชิก|",
      "edit_duration": 6.194,
      "edit_duration_all": 6.194,
      "is_forceout": false
    },
    {
      "message_id": 617,
      "editor_id": 33,
      "message_received": "ของจีนนะคะ",
      "slice_count": 1,
      "slices": "ของ G นะคะ|",
      "edit_duration": 5.592,
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      "is_forceout": false
    },
    {
      "message_id": 618,
      "editor_id": 33,
      "message_received": "คุณครูอาจ",
      "slice_count": 2,
      "slices": " |คุณครูอาจ|",
      "edit_duration": 4.989,
      "edit_duration_all": 6.535,
      "is_forceout": false
    },
    {
      "message_id": 619,
      "editor_id": 33,
      "message_received": "จะเขียนเป็นสัญลักษณ์",
      "slice_count": 1,
      "slices": "จะเขียนเป็นสัญลักษณ์|",
      "edit_duration": 5.181,
      "edit_duration_all": 5.181,
      "is_forceout": false
    },
    {
      "message_id": 620,
      "editor_id": 33,
      "message_received": "แทนค่ะเขียนแบบนี้นะคะ",
      "slice_count": 2,
      "slices": "แทนค่ะ |เขียนแบบนี้นะคะ|",
      "edit_duration": 4.919,
      "edit_duration_all": 7.118,
      "is_forceout": false
    },
    {
      "message_id": 621,
      "editor_id": 33,
      "message_received": "2",
      "slice_count": 2,
      "slices": " |2|",
      "edit_duration": 6.246,
      "edit_duration_all": 7.076,
      "is_forceout": false
    },
    {
      "message_id": 622,
      "editor_id": 33,
      "message_received": "แล้ว",
      "slice_count": 2,
      "slices": " |แล้ว|",
      "edit_duration": 6.057,
      "edit_duration_all": 7.674,
      "is_forceout": false
    },
    {
      "message_id": 623,
      "editor_id": 33,
      "message_received": "ก็ตามด้วย",
      "slice_count": 1,
      "slices": "ก็ตามด้วย|",
      "edit_duration": 7.181,
      "edit_duration_all": 7.181,
      "is_forceout": false
    },
    {
      "message_id": 624,
      "editor_id": 33,
      "message_received": "สัญลักษณ์แล้ว",
      "slice_count": 2,
      "slices": "สัญลักษณ์ |แล้ว|",
      "edit_duration": 6.436,
      "edit_duration_all": 15.996,
      "is_forceout": false
    },
    {
      "message_id": 625,
      "editor_id": 33,
      "message_received": "ก็เขียนฟรีค่ะ",
      "slice_count": 1,
      "slices": "ก็เขียน G ค่ะ|",
      "edit_duration": 15.871,
      "edit_duration_all": 15.871,
      "is_forceout": false
    },
    {
      "message_id": 626,
      "editor_id": 33,
      "message_received": "เดียวกัน",
      "slice_count": 1,
      "slices": " เช่นเดียวกัน|",
      "edit_duration": 11.79,
      "edit_duration_all": 11.79,
      "is_forceout": false
    },
    {
      "message_id": 627,
      "editor_id": 33,
      "message_received": "กับเศษ 1 ส่วน 2 นะคะ",
      "slice_count": 1,
      "slices": "กับเศษ 1 ส่วน 2 นะคะ|",
      "edit_duration": 10.827,
      "edit_duration_all": 10.827,
      "is_forceout": false
    },
    {
      "message_id": 628,
      "editor_id": 33,
      "message_received": "คุณต้องการ",
      "slice_count": 2,
      "slices": " |ครูต้องการ|",
      "edit_duration": 9.164,
      "edit_duration_all": 13.681,
      "is_forceout": false
    },
    {
      "message_id": 629,
      "editor_id": 33,
      "message_received": "บอกว่าเศษ 1 ส่วน 2 เป็นสมาชิก",
      "slice_count": 1,
      "slices": "บอกว่าเศษ 1 ส่วน 2 เป็นสมาชิก|",
      "edit_duration": 11.571,
      "edit_duration_all": 11.571,
      "is_forceout": false
    },
    {
      "message_id": 630,
      "editor_id": 14,
      "message_received": "ของ G",
      "slice_count": 1,
      "slices": "ของ G|",
      "edit_duration": 3.232,
      "edit_duration_all": 3.232,
      "is_forceout": false
    },
    {
      "message_id": 631,
      "editor_id": 14,
      "message_received": "ว่าจะ",
      "slice_count": 3,
      "slices": " |คุณครูก็|จะ|",
      "edit_duration": 1.328,
      "edit_duration_all": 8.73,
      "is_forceout": false
    },
    {
      "message_id": 632,
      "editor_id": 14,
      "message_received": "เขียนเป็นเศษ 1 ส่วน 2",
      "slice_count": 1,
      "slices": "เขียนเป็นเศษ 1 ส่วน 2|",
      "edit_duration": 8.246,
      "edit_duration_all": 8.246,
      "is_forceout": false
    },
    {
      "message_id": 633,
      "editor_id": 14,
      "message_received": "สมาชิก",
      "slice_count": 1,
      "slices": " สมาชิก|",
      "edit_duration": 8.948,
      "edit_duration_all": 8.948,
      "is_forceout": false
    },
    {
      "message_id": 634,
      "editor_id": 14,
      "message_received": "ของจริงแบบนี้ค่ะ",
      "slice_count": 1,
      "slices": "ของ G แบบนี้ค่ะ|",
      "edit_duration": 8.417,
      "edit_duration_all": 8.417,
      "is_forceout": false
    },
    {
      "message_id": 635,
      "editor_id": 14,
      "message_received": "ส่วน",
      "slice_count": 1,
      "slices": " ส่วน|",
      "edit_duration": 10.796,
      "edit_duration_all": 10.796,
      "is_forceout": false
    },
    {
      "message_id": 636,
      "editor_id": 14,
      "message_received": "คำว่าไม่",
      "slice_count": 1,
      "slices": "คำว่า \"ไม่|",
      "edit_duration": 9.63,
      "edit_duration_all": 9.63,
      "is_forceout": false
    },
    {
      "message_id": 637,
      "editor_id": 14,
      "message_received": "เป็นสมาชิกของ",
      "slice_count": 1,
      "slices": "เป็นสมาชิกของ|",
      "edit_duration": 9.629,
      "edit_duration_all": 9.629,
      "is_forceout": false
    },
    {
      "message_id": 638,
      "editor_id": 14,
      "message_received": "เขียน",
      "slice_count": 2,
      "slices": "\" จะ|เขียน|",
      "edit_duration": 7.826,
      "edit_duration_all": 9.55,
      "is_forceout": false
    },
    {
      "message_id": 639,
      "editor_id": 14,
      "message_received": "แทนด้วยสัญลักษณ์",
      "slice_count": 1,
      "slices": "แทนด้วยสัญลักษณ์|",
      "edit_duration": 8.986,
      "edit_duration_all": 8.986,
      "is_forceout": false
    },
    {
      "message_id": 640,
      "editor_id": 14,
      "message_received": "ลักษณะแบบนี้นะคะ",
      "slice_count": 1,
      "slices": "ลักษณะแบบนี้นะคะ|",
      "edit_duration": 8.846,
      "edit_duration_all": 8.846,
      "is_forceout": false
    },
    {
      "message_id": 641,
      "editor_id": 14,
      "message_received": "เป็นสัญลักษณ์",
      "slice_count": 1,
      "slices": " เป็นสัญลักษณ์|",
      "edit_duration": 7.655,
      "edit_duration_all": 7.655,
      "is_forceout": false
    },
    {
      "message_id": 642,
      "editor_id": 14,
      "message_received": "คล้ายกันค่ะ",
      "slice_count": 1,
      "slices": "คล้ายกันค่ะ|",
      "edit_duration": 7.172,
      "edit_duration_all": 7.172,
      "is_forceout": false
    },
    {
      "message_id": 643,
      "editor_id": 14,
      "message_received": "แต่มีผิดพลาดนะคะ",
      "slice_count": 1,
      "slices": " แต่มีขีดฆ่านะคะ |",
      "edit_duration": 11.386,
      "edit_duration_all": 11.386,
      "is_forceout": false
    },
    {
      "message_id": 644,
      "editor_id": 33,
      "message_received": "ตัวอย่างเช่นค่ะ",
      "slice_count": 1,
      "slices": "ตัวอย่างเช่นค่ะ|",
      "edit_duration": 5.733,
      "edit_duration_all": 5.733,
      "is_forceout": false
    },
    {
      "message_id": 645,
      "editor_id": 33,
      "message_received": "เศษ 1 ส่วน 3",
      "slice_count": 2,
      "slices": " |เศษ 1 ส่วน 3|",
      "edit_duration": 2.404,
      "edit_duration_all": 4.301,
      "is_forceout": false
    },
    {
      "message_id": 646,
      "editor_id": 33,
      "message_received": " ค่ะ",
      "slice_count": 1,
      "slices": " ค่ะ|",
      "edit_duration": 3.205,
      "edit_duration_all": 3.205,
      "is_forceout": false
    },
    {
      "message_id": 647,
      "editor_id": 33,
      "message_received": "จะเห็นว่าเศษ 1 ส่วน 3",
      "slice_count": 2,
      "slices": " |นักเรียนจะเห็นว่าเศษ 1 ส่วน 3|",
      "edit_duration": 1.418,
      "edit_duration_all": 8.408,
      "is_forceout": false
    },
    {
      "message_id": 648,
      "editor_id": 33,
      "message_received": " นะคะไม่เป็นสมาชิก",
      "slice_count": 2,
      "slices": " ค่ะ |ไม่เป็นสมาชิก|",
      "edit_duration": 7.639,
      "edit_duration_all": 13.049,
      "is_forceout": false
    },
    {
      "message_id": 649,
      "editor_id": 33,
      "message_received": "ของจีนใช่ไหมคะ",
      "slice_count": 1,
      "slices": "ของ G ใช่ไหมคะ|",
      "edit_duration": 13.003,
      "edit_duration_all": 13.003,
      "is_forceout": false
    },
    {
      "message_id": 650,
      "editor_id": 33,
      "message_received": "ฉะนั้นแล้ว",
      "slice_count": 2,
      "slices": " |เพราะฉะนั้นแล้ว|",
      "edit_duration": 11.134,
      "edit_duration_all": 14.987,
      "is_forceout": false
    },
    {
      "message_id": 651,
      "editor_id": 33,
      "message_received": "เราจะเขียน",
      "slice_count": 2,
      "slices": " |เราจะเขียน|",
      "edit_duration": 14.336,
      "edit_duration_all": 15.199,
      "is_forceout": false
    },
    {
      "message_id": 652,
      "editor_id": 33,
      "message_received": "ได้เป็นเศษ 1 ส่วน 3",
      "slice_count": 1,
      "slices": "ได้เป็นเศษ 1 ส่วน 3|",
      "edit_duration": 13.733,
      "edit_duration_all": 13.733,
      "is_forceout": false
    },
    {
      "message_id": 653,
      "editor_id": 33,
      "message_received": " ตามด้วยสัญลักษณ์ค่ะ",
      "slice_count": 1,
      "slices": " ตามด้วยสัญลักษณ์ค่ะ|",
      "edit_duration": 15.382,
      "edit_duration_all": 15.382,
      "is_forceout": false
    },
    {
      "message_id": 654,
      "editor_id": 33,
      "message_received": "แล้ว",
      "slice_count": 2,
      "slices": " |แล้ว|",
      "edit_duration": 13.892,
      "edit_duration_all": 16.015,
      "is_forceout": true
    },
    {
      "message_id": 655,
      "editor_id": 33,
      "message_received": "ก็เขียนจีน",
      "slice_count": 1,
      "slices": "ก็เขียน G |",
      "edit_duration": 16.014,
      "edit_duration_all": 16.014,
      "is_forceout": true
    },
    {
      "message_id": 656,
      "editor_id": 14,
      "message_received": "ตั้ง",
      "slice_count": 1,
      "slices": "อีกสัก |",
      "edit_duration": 7.089,
      "edit_duration_all": 7.089,
      "is_forceout": false
    },
    {
      "message_id": 657,
      "editor_id": 14,
      "message_received": "ตัวอย่างนะคะอย่างเช่น",
      "slice_count": 3,
      "slices": "1 |ตัวอย่างนะคะ| อย่างเช่น|",
      "edit_duration": 6.691,
      "edit_duration_all": 9.299,
      "is_forceout": false
    },
    {
      "message_id": 658,
      "editor_id": 14,
      "message_received": " 1000 ค่ะ",
      "slice_count": 2,
      "slices": " 1,|000 ค่ะ|",
      "edit_duration": 8.951,
      "edit_duration_all": 9.885,
      "is_forceout": false
    },
    {
      "message_id": 659,
      "editor_id": 14,
      "message_received": "1",
      "slice_count": 2,
      "slices": " |1|",
      "edit_duration": 8.19,
      "edit_duration_all": 13.674,
      "is_forceout": false
    },
    {
      "message_id": 660,
      "editor_id": 14,
      "message_received": ",000",
      "slice_count": 1,
      "slices": ",000|",
      "edit_duration": 13.097,
      "edit_duration_all": 13.097,
      "is_forceout": false
    },
    {
      "message_id": 661,
      "editor_id": 14,
      "message_received": " บาทเราก็จะเห็นว่าไม่",
      "slice_count": 1,
      "slices": " เราก็จะเห็นว่าไม่|",
      "edit_duration": 12.588,
      "edit_duration_all": 12.588,
      "is_forceout": false
    },
    {
      "message_id": 662,
      "editor_id": 14,
      "message_received": "เป็นสมาชิก",
      "slice_count": 1,
      "slices": "เป็นสมาชิก|",
      "edit_duration": 11.689,
      "edit_duration_all": 11.689,
      "is_forceout": false
    },
    {
      "message_id": 663,
      "editor_id": 14,
      "message_received": "ของจีนเช่นกันนะคะ",
      "slice_count": 1,
      "slices": "ของ G เช่นกันนะคะ|",
      "edit_duration": 11.271,
      "edit_duration_all": 11.271,
      "is_forceout": false
    },
    {
      "message_id": 664,
      "editor_id": 14,
      "message_received": "เพราะฉะนั้น",
      "slice_count": 1,
      "slices": " เพราะฉะนั้น|",
      "edit_duration": 10.277,
      "edit_duration_all": 10.277,
      "is_forceout": false
    },
    {
      "message_id": 665,
      "editor_id": 14,
      "message_received": "จะเขียนว่า 1",
      "slice_count": 1,
      "slices": " จะเขียนว่า |",
      "edit_duration": 12.359,
      "edit_duration_all": 12.359,
      "is_forceout": false
    },
    {
      "message_id": 666,
      "editor_id": 14,
      "message_received": "1,000",
      "slice_count": 1,
      "slices": "1,000|",
      "edit_duration": 12.357,
      "edit_duration_all": 12.357,
      "is_forceout": false
    },
    {
      "message_id": 667,
      "editor_id": 14,
      "message_received": "แล้ว",
      "slice_count": 2,
      "slices": " |แล้ว|",
      "edit_duration": 10.319,
      "edit_duration_all": 11.495,
      "is_forceout": false
    },
    {
      "message_id": 668,
      "editor_id": 14,
      "message_received": "ตามด้วยสัญลักษณ์",
      "slice_count": 1,
      "slices": "ตามด้วยสัญลักษณ์|",
      "edit_duration": 10.138,
      "edit_duration_all": 10.138,
      "is_forceout": false
    },
    {
      "message_id": 669,
      "editor_id": 14,
      "message_received": "เดิมค่ะแล้วก็ดีค่ะ",
      "slice_count": 2,
      "slices": "เดิมค่ะ| แล้วก็ G ค่ะ |",
      "edit_duration": 9.932,
      "edit_duration_all": 12.483,
      "is_forceout": false
    },
    {
      "message_id": 670,
      "editor_id": 33,
      "message_received": "เดี๋ยว",
      "slice_count": 1,
      "slices": "เดี๋ยว|",
      "edit_duration": 4.621,
      "edit_duration_all": 4.621,
      "is_forceout": false
    },
    {
      "message_id": 671,
      "editor_id": 33,
      "message_received": "เรามาดูตัว",
      "slice_count": 1,
      "slices": "เรามาดูตัว|",
      "edit_duration": 3.661,
      "edit_duration_all": 3.661,
      "is_forceout": false
    },
    {
      "message_id": 672,
      "editor_id": 33,
      "message_received": "อย่างนะคะขอ",
      "slice_count": 2,
      "slices": "อย่างนะคะ |ขอ|",
      "edit_duration": 2.834,
      "edit_duration_all": 4.319,
      "is_forceout": false
    },
    {
      "message_id": 673,
      "editor_id": 33,
      "message_received": "งการเป็นสมา",
      "slice_count": 1,
      "slices": "งการเป็นสมา|",
      "edit_duration": 3.516,
      "edit_duration_all": 3.516,
      "is_forceout": false
    },
    {
      "message_id": 674,
      "editor_id": 33,
      "message_received": "ชิกของเซตค่ะ",
      "slice_count": 1,
      "slices": "ชิกของเซตค่ะ |",
      "edit_duration": 3.51,
      "edit_duration_all": 3.51,
      "is_forceout": false
    },
    {
      "message_id": 675,
      "editor_id": 33,
      "message_received": "ตัวอย่าง",
      "slice_count": 1,
      "slices": "ตัวอย่าง|",
      "edit_duration": 3.394,
      "edit_duration_all": 3.394,
      "is_forceout": false
    },
    {
      "message_id": 676,
      "editor_id": 33,
      "message_received": "นี้นะคะ",
      "slice_count": 1,
      "slices": "นี้นะคะ|",
      "edit_duration": 2.672,
      "edit_duration_all": 2.672,
      "is_forceout": false
    },
    {
      "message_id": 677,
      "editor_id": 33,
      "message_received": "ให้เอนะคะประกอบ",
      "slice_count": 2,
      "slices": " |ให้ A นะคะประกอบ|",
      "edit_duration": 1.733,
      "edit_duration_all": 9.621,
      "is_forceout": false
    },
    {
      "message_id": 678,
      "editor_id": 33,
      "message_received": "ไปด้วยสมา",
      "slice_count": 1,
      "slices": "ไปด้วยสมา|",
      "edit_duration": 8.087,
      "edit_duration_all": 8.087,
      "is_forceout": false
    },
    {
      "message_id": 679,
      "editor_id": 33,
      "message_received": "ชิก 0 1 และ 2 ค่ะ",
      "slice_count": 1,
      "slices": "ชิก 0, 1 และ 2 ค่ะ|",
      "edit_duration": 7.762,
      "edit_duration_all": 7.762,
      "is_forceout": false
    },
    {
      "message_id": 680,
      "editor_id": 33,
      "message_received": "จงพิจารณา",
      "slice_count": 2,
      "slices": " |จงพิจารณา|",
      "edit_duration": 5.205,
      "edit_duration_all": 6.618,
      "is_forceout": false
    },
    {
      "message_id": 681,
      "editor_id": 33,
      "message_received": "ว่าข้อความต่อไป",
      "slice_count": 1,
      "slices": "ว่าข้อความต่อไป|",
      "edit_duration": 5.838,
      "edit_duration_all": 5.838,
      "is_forceout": false
    },
    {
      "message_id": 682,
      "editor_id": 33,
      "message_received": "นี้นะคะเป็น",
      "slice_count": 2,
      "slices": "นี้นะคะ| เป็น|",
      "edit_duration": 4.605,
      "edit_duration_all": 5.558,
      "is_forceout": false
    },
    {
      "message_id": 683,
      "editor_id": 33,
      "message_received": "จริงหรือเท็จค่ะ",
      "slice_count": 1,
      "slices": "จริงหรือเท็จค่ะ|",
      "edit_duration": 5.556,
      "edit_duration_all": 5.556,
      "is_forceout": false
    },
    {
      "message_id": 684,
      "editor_id": 14,
      "message_received": "ข้อความที่ 1 นะคะ",
      "slice_count": 1,
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      "message_received": "0 เป็นสมาชิกของเอ",
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      "editor_id": 14,
      "message_received": "ข้อความ",
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      "editor_id": 14,
      "message_received": "ที่ 2 ค่ะ",
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      "editor_id": 14,
      "message_received": "ของศูนย์เป็น",
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      "message_received": "ของ A",
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      "slices": "สมาชิก|ของ A|",
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      "editor_id": 14,
      "message_received": "ข้อ 3 ค่ะ",
      "slice_count": 1,
      "slices": " ข้อ 3 ค่ะ|",
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      "edit_duration_all": 10.002,
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      "message_id": 691,
      "editor_id": 14,
      "message_received": "เซตของ",
      "slice_count": 1,
      "slices": "เซตของ|",
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      "message_id": 692,
      "editor_id": 14,
      "message_received": " 1 2",
      "slice_count": 2,
      "slices": " 1| 2|",
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      "edit_duration_all": 11.163,
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      "editor_id": 14,
      "message_received": " ไม่เป็นสมาชิก",
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      "slices": " ไม่เป็นสมาชิก|",
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      "message_id": 694,
      "editor_id": 14,
      "message_received": "ของเอค่ะ",
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      "message_id": 695,
      "editor_id": 14,
      "message_received": "ได้",
      "slice_count": 1,
      "slices": " .|",
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      "message_id": 696,
      "editor_id": 14,
      "message_received": "หลักการพิจารณา",
      "slice_count": 2,
      "slices": "o|หลักการพิจารณา|",
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    {
      "message_id": 697,
      "editor_id": 14,
      "message_received": "โจทย์ข้อนี้นะ",
      "slice_count": 1,
      "slices": "โจทย์ข้อนี้นะ|",
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      "message_id": 698,
      "editor_id": 14,
      "message_received": "คะเราจะต้อง",
      "slice_count": 2,
      "slices": "คะ| เราจะต้อง|",
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      "message_id": 699,
      "editor_id": 14,
      "message_received": "ทำการพิจารณา",
      "slice_count": 1,
      "slices": "ทำการพิจารณา |",
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      "edit_duration_all": 9.92,
      "is_forceout": false
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    {
      "message_id": 700,
      "editor_id": 33,
      "message_received": "สมาชิกก่อนค่ะ",
      "slice_count": 1,
      "slices": "สมาชิกก่อนค่ะ|",
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    {
      "message_id": 701,
      "editor_id": 33,
      "message_received": "Set A มีสมาชิก",
      "slice_count": 1,
      "slices": " ว่าในเซต A มีสมาชิก|",
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      "edit_duration_all": 11.379,
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    {
      "message_id": 702,
      "editor_id": 33,
      "message_received": "เป็นอะไร",
      "slice_count": 1,
      "slices": "เป็นอะไร|",
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      "edit_duration_all": 10.087,
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    {
      "message_id": 703,
      "editor_id": 33,
      "message_received": "บ้างสามารถตอบได้ไหมคะ",
      "slice_count": 2,
      "slices": "บ้าง |นักเรียนสามารถตอบได้ไหมคะ|",
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      "edit_duration_all": 13.382,
      "is_forceout": false
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    {
      "message_id": 704,
      "editor_id": 33,
      "message_received": "สมาชิก",
      "slice_count": 2,
      "slices": " |สมาชิก|",
      "edit_duration": 11.412,
      "edit_duration_all": 15.932,
      "is_forceout": false
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    {
      "message_id": 705,
      "editor_id": 33,
      "message_received": "ของเอมีอะไรบ้าง",
      "slice_count": 1,
      "slices": "ของ A มีอะไรบ้าง|",
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      "edit_duration_all": 15.506,
      "is_forceout": false
    },
    {
      "message_id": 706,
      "editor_id": 33,
      "message_received": "สมาชิก",
      "slice_count": 2,
      "slices": " |สมาชิก|",
      "edit_duration": 12.968,
      "edit_duration_all": 16.015,
      "is_forceout": true
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    {
      "message_id": 707,
      "editor_id": 33,
      "message_received": "ของเซต a นะคะ",
      "slice_count": 1,
      "slices": "ของเซต A นะคะ|",
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    {
      "message_id": 708,
      "editor_id": 33,
      "message_received": "มี",
      "slice_count": 2,
      "slices": " |มี|",
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      "edit_duration_all": 16.015,
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      "message_id": 709,
      "editor_id": 33,
      "message_received": "จำนวน 3",
      "slice_count": 1,
      "slices": "จำนวน 3|",
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      "edit_duration_all": 15.702,
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    {
      "message_id": 710,
      "editor_id": 33,
      "message_received": " ตัวค่ะ",
      "slice_count": 1,
      "slices": " ตัวค่ะ|",
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      "edit_duration_all": 15.69,
      "is_forceout": false
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      "message_id": 711,
      "editor_id": 33,
      "message_received": "ได้แก่",
      "slice_count": 2,
      "slices": " |ได้แก่|",
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      "edit_duration_all": 5.952,
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      "message_id": 712,
      "editor_id": 33,
      "message_received": "ศูนย์นะคะ 1",
      "slice_count": 2,
      "slices": " |0 นะคะ 1|",
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      "edit_duration_all": 7.621,
      "is_forceout": false
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    {
      "message_id": 713,
      "editor_id": 33,
      "message_received": "และ",
      "slice_count": 1,
      "slices": " และ|",
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      "edit_duration_all": 6.41,
      "is_forceout": false
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    {
      "message_id": 714,
      "editor_id": 33,
      "message_received": " 2 ค่ะ",
      "slice_count": 1,
      "slices": " 2 ค่ะ|",
      "edit_duration": 6.404,
      "edit_duration_all": 6.404,
      "is_forceout": false
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    {
      "message_id": 715,
      "editor_id": 33,
      "message_received": "เมื่อ",
      "slice_count": 2,
      "slices": " |เมื่อ|",
      "edit_duration": 2.843,
      "edit_duration_all": 4.39,
      "is_forceout": false
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      "message_id": 716,
      "editor_id": 33,
      "message_received": "เราทราบสมาชิก",
      "slice_count": 1,
      "slices": "เราทราบสมาชิก|",
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      "edit_duration_all": 3.499,
      "is_forceout": false
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      "message_id": 717,
      "editor_id": 14,
      "message_received": "เรียบร้อยแล้วนะ",
      "slice_count": 1,
      "slices": "เรียบร้อยแล้วนะ|",
      "edit_duration": 3.21,
      "edit_duration_all": 3.21,
      "is_forceout": false
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    {
      "message_id": 718,
      "editor_id": 14,
      "message_received": "คะเดี๋ยวเรามา",
      "slice_count": 2,
      "slices": "คะ| เดี๋ยวเรามา|",
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      "edit_duration_all": 4.268,
      "is_forceout": false
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    {
      "message_id": 719,
      "editor_id": 14,
      "message_received": "ดูข้อ 1",
      "slice_count": 1,
      "slices": "ดูข้อ 1|",
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      "edit_duration_all": 3.897,
      "is_forceout": false
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    {
      "message_id": 720,
      "editor_id": 14,
      "message_received": " กันเลยค่ะ",
      "slice_count": 1,
      "slices": " กันเลยค่ะ|",
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      "edit_duration_all": 3.895,
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    {
      "message_id": 721,
      "editor_id": 14,
      "message_received": "ระบุว่า",
      "slice_count": 2,
      "slices": " ข้อ 1 นะคะ |ระบุว่า|",
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    {
      "message_id": 722,
      "editor_id": 14,
      "message_received": " 0 เป็นสมาชิกของเอ",
      "slice_count": 1,
      "slices": " 0 เป็นสมาชิกของ |",
      "edit_duration": 6.292,
      "edit_duration_all": 6.292,
      "is_forceout": false
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    {
      "message_id": 723,
      "editor_id": 14,
      "message_received": "ถูกต้องไหมคะ",
      "slice_count": 1,
      "slices": "A ถูกต้องไหมคะ|",
      "edit_duration": 4.345,
      "edit_duration_all": 4.345,
      "is_forceout": false
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    {
      "message_id": 724,
      "editor_id": 14,
      "message_received": "ถูกต้อง",
      "slice_count": 1,
      "slices": " ถูกต้อง|",
      "edit_duration": 4.079,
      "edit_duration_all": 4.079,
      "is_forceout": false
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    {
      "message_id": 725,
      "editor_id": 14,
      "message_received": "นะคะสู้เป็นสมาชิก",
      "slice_count": 2,
      "slices": "นะคะ| 0 เป็นสมาชิก|",
      "edit_duration": 3.05,
      "edit_duration_all": 7.958,
      "is_forceout": false
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    {
      "message_id": 726,
      "editor_id": 14,
      "message_received": "ของเอเพราะฉะนั้นแล้วนะคะ",
      "slice_count": 2,
      "slices": "ของ A |เพราะฉะนั้นแล้วนะคะ|",
      "edit_duration": 7.062,
      "edit_duration_all": 7.958,
      "is_forceout": false
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    {
      "message_id": 727,
      "editor_id": 14,
      "message_received": "ข้อนี้เป็นจริงค่ะ",
      "slice_count": 1,
      "slices": " ข้อนี้เป็นจริงค่ะ|",
      "edit_duration": 7.52,
      "edit_duration_all": 7.52,
      "is_forceout": false
    },
    {
      "message_id": 728,
      "editor_id": 14,
      "message_received": "ข้อสอบ",
      "slice_count": 1,
      "slices": " ข้อ 2 |",
      "edit_duration": 4.655,
      "edit_duration_all": 4.655,
      "is_forceout": false
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    {
      "message_id": 729,
      "editor_id": 33,
      "message_received": "นะคะเซตของ",
      "slice_count": 2,
      "slices": "นะคะ |เซตของ|",
      "edit_duration": 5.804,
      "edit_duration_all": 15.573,
      "is_forceout": false
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    {
      "message_id": 730,
      "editor_id": 33,
      "message_received": " 0 เป็นสมาชิกของเอ",
      "slice_count": 1,
      "slices": " 0 เป็นสมาชิกของ |",
      "edit_duration": 14.406,
      "edit_duration_all": 14.406,
      "is_forceout": false
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    {
      "message_id": 731,
      "editor_id": 33,
      "message_received": "เราจะสังเกต",
      "slice_count": 1,
      "slices": "A เราจะสังเกต|",
      "edit_duration": 11.662,
      "edit_duration_all": 11.662,
      "is_forceout": false
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    {
      "message_id": 732,
      "editor_id": 33,
      "message_received": "เห็นว่าเซต",
      "slice_count": 1,
      "slices": "เห็นว่าเซต|",
      "edit_duration": 10.981,
      "edit_duration_all": 10.981,
      "is_forceout": false
    },
    {
      "message_id": 733,
      "editor_id": 33,
      "message_received": "ของศูนย์",
      "slice_count": 1,
      "slices": "ของ |",
      "edit_duration": 9.956,
      "edit_duration_all": 9.956,
      "is_forceout": false
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    {
      "message_id": 734,
      "editor_id": 33,
      "message_received": "นะคะต่างจาก",
      "slice_count": 2,
      "slices": "0 นะคะ |ต่างจาก|",
      "edit_duration": 9.448,
      "edit_duration_all": 10.673,
      "is_forceout": false
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    {
      "message_id": 735,
      "editor_id": 33,
      "message_received": "ข้อที่ 1 นะ",
      "slice_count": 1,
      "slices": "ข้อที่ 1 นะ|",
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      "edit_duration_all": 9.965,
      "is_forceout": false
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    {
      "message_id": 736,
      "editor_id": 33,
      "message_received": "คะตรง",
      "slice_count": 2,
      "slices": "คะ |ตรง|",
      "edit_duration": 9.156,
      "edit_duration_all": 14.405,
      "is_forceout": false
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    {
      "message_id": 737,
      "editor_id": 33,
      "message_received": "ที่มีวงเล็บ",
      "slice_count": 1,
      "slices": "ที่มีวงเล็บ|",
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      "edit_duration_all": 14.289,
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    {
      "message_id": 738,
      "editor_id": 33,
      "message_received": "ใช่ไหม",
      "slice_count": 1,
      "slices": "ปีกกาใช่ไหม|",
      "edit_duration": 12.426,
      "edit_duration_all": 12.426,
      "is_forceout": false
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    {
      "message_id": 739,
      "editor_id": 33,
      "message_received": "คะ",
      "slice_count": 1,
      "slices": "คะ|",
      "edit_duration": 11.771,
      "edit_duration_all": 11.771,
      "is_forceout": false
    },
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      "message_id": 740,
      "editor_id": 33,
      "message_received": "การที่เราใส่วงเล็บปีกกา",
      "slice_count": 2,
      "slices": " |การที่เราใส่วงเล็บปีกกา|",
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      "edit_duration_all": 12.915,
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    {
      "message_id": 741,
      "editor_id": 33,
      "message_received": "นะคะ",
      "slice_count": 1,
      "slices": "นะคะ|",
      "edit_duration": 11.882,
      "edit_duration_all": 11.882,
      "is_forceout": false
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    {
      "message_id": 742,
      "editor_id": 33,
      "message_received": "จะทำให้ความหมายนะคะ",
      "slice_count": 2,
      "slices": " |จะทำให้ความหมายนะคะ|",
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      "edit_duration_all": 13.379,
      "is_forceout": false
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    {
      "message_id": 743,
      "editor_id": 33,
      "message_received": "เซตนี้",
      "slice_count": 2,
      "slices": " |เซตนี้|",
      "edit_duration": 11.307,
      "edit_duration_all": 11.714,
      "is_forceout": false
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      "message_id": 744,
      "editor_id": 14,
      "message_received": "นะคะเป็นคน",
      "slice_count": 2,
      "slices": "นะคะ| เป็นคน|",
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      "edit_duration_all": 3.929,
      "is_forceout": false
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    {
      "message_id": 745,
      "editor_id": 14,
      "message_received": "ละแบบนะคะ",
      "slice_count": 1,
      "slices": "ละแบบนะคะ|",
      "edit_duration": 3.7,
      "edit_duration_all": 3.7,
      "is_forceout": false
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    {
      "message_id": 746,
      "editor_id": 14,
      "message_received": "ข้อ 1",
      "slice_count": 2,
      "slices": " กับ|ข้อ 1|",
      "edit_duration": 4.075,
      "edit_duration_all": 5.243,
      "is_forceout": false
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      "message_id": 747,
      "editor_id": 14,
      "message_received": " นะคะซึ่ง",
      "slice_count": 2,
      "slices": " นะคะ| ซึ่ง|",
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      "edit_duration_all": 7.421,
      "is_forceout": false
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      "message_id": 748,
      "editor_id": 14,
      "message_received": "ข้อ 1 ใหญ่จะ",
      "slice_count": 2,
      "slices": "ข้อ 1 นี่|จะ|",
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      "edit_duration_all": 7.579,
      "is_forceout": false
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      "message_id": 749,
      "editor_id": 14,
      "message_received": "ไม่ใช่",
      "slice_count": 1,
      "slices": "ไม่ใช่|",
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      "edit_duration_all": 7.267,
      "is_forceout": false
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    {
      "message_id": 750,
      "editor_id": 14,
      "message_received": "เซตนะคะ",
      "slice_count": 1,
      "slices": "เซตนะคะ|",
      "edit_duration": 6.815,
      "edit_duration_all": 6.815,
      "is_forceout": false
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    {
      "message_id": 751,
      "editor_id": 14,
      "message_received": "นักเรียนลอง",
      "slice_count": 1,
      "slices": " นักเรียนลอง|",
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      "edit_duration_all": 6.311,
      "is_forceout": false
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    {
      "message_id": 752,
      "editor_id": 14,
      "message_received": "ดู",
      "slice_count": 1,
      "slices": "ดู|",
      "edit_duration": 3.703,
      "edit_duration_all": 3.703,
      "is_forceout": false
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      "message_id": 753,
      "editor_id": 14,
      "message_received": "ค่ะสมาชิกนะคะ",
      "slice_count": 2,
      "slices": "ค่ะ| สมาชิกนะคะ|",
      "edit_duration": 2.76,
      "edit_duration_all": 4.1,
      "is_forceout": false
    },
    {
      "message_id": 754,
      "editor_id": 14,
      "message_received": "จะต้องไม่มีในข้อนี้",
      "slice_count": 1,
      "slices": " จะต้องไม่มีในข้อนี้|",
      "edit_duration": 4.848,
      "edit_duration_all": 4.848,
      "is_forceout": false
    },
    {
      "message_id": 755,
      "editor_id": 14,
      "message_received": "นะคะจะต้อง",
      "slice_count": 2,
      "slices": "นะคะ| จะต้อง|",
      "edit_duration": 4.391,
      "edit_duration_all": 5.643,
      "is_forceout": false
    },
    {
      "message_id": 756,
      "editor_id": 14,
      "message_received": "มีวงเล็บปีกกานะคะ",
      "slice_count": 1,
      "slices": "มีวงเล็บปีกกานะคะ|",
      "edit_duration": 5.084,
      "edit_duration_all": 5.084,
      "is_forceout": false
    },
    {
      "message_id": 757,
      "editor_id": 14,
      "message_received": "ฉะนั้นแล้ว",
      "slice_count": 2,
      "slices": " เพราะฉะนั้น|แล้ว|",
      "edit_duration": 5.796,
      "edit_duration_all": 6.323,
      "is_forceout": false
    },
    {
      "message_id": 758,
      "editor_id": 14,
      "message_received": "ข้อที่ 2",
      "slice_count": 1,
      "slices": " ข้อที่ 2|",
      "edit_duration": 9.808,
      "edit_duration_all": 9.808,
      "is_forceout": false
    },
    {
      "message_id": 759,
      "editor_id": 14,
      "message_received": " นะครับ",
      "slice_count": 1,
      "slices": " นะคะ เป็น|",
      "edit_duration": 9.692,
      "edit_duration_all": 9.692,
      "is_forceout": false
    },
    {
      "message_id": 760,
      "editor_id": 33,
      "message_received": "เช็ดค่ะ",
      "slice_count": 1,
      "slices": "เท็จค่ะ|",
      "edit_duration": 10.054,
      "edit_duration_all": 10.054,
      "is_forceout": false
    },
    {
      "message_id": 761,
      "editor_id": 33,
      "message_received": "ตอนนี้ข้อที่ 3",
      "slice_count": 2,
      "slices": " |ส่วนในข้อที่ 3|",
      "edit_duration": 4.843,
      "edit_duration_all": 10.452,
      "is_forceout": false
    },
    {
      "message_id": 762,
      "editor_id": 33,
      "message_received": " นะคะ",
      "slice_count": 1,
      "slices": " นะคะ|",
      "edit_duration": 9.746,
      "edit_duration_all": 9.746,
      "is_forceout": false
    },
    {
      "message_id": 763,
      "editor_id": 33,
      "message_received": "เซตของ 1 2",
      "slice_count": 2,
      "slices": " |เซตของ 1, 2|",
      "edit_duration": 8.921,
      "edit_duration_all": 16.015,
      "is_forceout": true
    },
    {
      "message_id": 764,
      "editor_id": 33,
      "message_received": " ไม่เป็น",
      "slice_count": 1,
      "slices": " ไม่เป็น|",
      "edit_duration": 15.559,
      "edit_duration_all": 15.559,
      "is_forceout": false
    },
    {
      "message_id": 765,
      "editor_id": 33,
      "message_received": "ของเอค่ะ",
      "slice_count": 1,
      "slices": "ของ A ค่ะ|",
      "edit_duration": 15.213,
      "edit_duration_all": 15.213,
      "is_forceout": false
    },
    {
      "message_id": 766,
      "editor_id": 33,
      "message_received": "นัก",
      "slice_count": 2,
      "slices": " |นัก|",
      "edit_duration": 13.903,
      "edit_duration_all": 15.45,
      "is_forceout": false
    },
    {
      "message_id": 767,
      "editor_id": 33,
      "message_received": "เรียนก็จะสังเกต",
      "slice_count": 1,
      "slices": "เรียนก็จะสังเกต|",
      "edit_duration": 14.15,
      "edit_duration_all": 14.15,
      "is_forceout": false
    },
    {
      "message_id": 768,
      "editor_id": 33,
      "message_received": "เห็นว่าเซตของ",
      "slice_count": 1,
      "slices": "เห็นว่าเซตของ|",
      "edit_duration": 13.468,
      "edit_duration_all": 13.468,
      "is_forceout": false
    },
    {
      "message_id": 769,
      "editor_id": 33,
      "message_received": " 1 2",
      "slice_count": 1,
      "slices": " 1 2|",
      "edit_duration": 12.692,
      "edit_duration_all": 12.692,
      "is_forceout": false
    },
    {
      "message_id": 770,
      "editor_id": 33,
      "message_received": " นะคะก็มีวง",
      "slice_count": 2,
      "slices": " นะคะ| ก็มีวง|",
      "edit_duration": 11.801,
      "edit_duration_all": 13.964,
      "is_forceout": false
    },
    {
      "message_id": 771,
      "editor_id": 33,
      "message_received": "เล็บปีกกาอยู่",
      "slice_count": 1,
      "slices": "เล็บปีกกาอยู่|",
      "edit_duration": 13.511,
      "edit_duration_all": 13.511,
      "is_forceout": false
    },
    {
      "message_id": 772,
      "editor_id": 33,
      "message_received": "ด้วยใช่ไหมคะ",
      "slice_count": 1,
      "slices": "ด้วยใช่ไหมคะ|",
      "edit_duration": 13.389,
      "edit_duration_all": 13.389,
      "is_forceout": false
    },
    {
      "message_id": 773,
      "editor_id": 33,
      "message_received": "ซึ่งใน",
      "slice_count": 2,
      "slices": " |ซึ่งใน|",
      "edit_duration": 12.52,
      "edit_duration_all": 16.015,
      "is_forceout": true
    },
    {
      "message_id": 774,
      "editor_id": 33,
      "message_received": "วันนี้สมาชิก",
      "slice_count": 1,
      "slices": "วันนี้สมาชิก|",
      "edit_duration": 16.03,
      "edit_duration_all": 16.03,
      "is_forceout": true
    },
    {
      "message_id": 775,
      "editor_id": 33,
      "message_received": "ตัวใดๆก็",
      "slice_count": 1,
      "slices": "ตัวใด ๆ ก็|",
      "edit_duration": 16.015,
      "edit_duration_all": 16.015,
      "is_forceout": true
    },
    {
      "message_id": 776,
      "editor_id": 33,
      "message_received": "ปิกาเลย",
      "slice_count": 1,
      "slices": "ปีกกาเลย |",
      "edit_duration": 15.35,
      "edit_duration_all": 15.35,
      "is_forceout": false
    },
    {
      "message_id": 777,
      "editor_id": 14,
      "message_received": "นะคะเพราะฉะนั้นข้อนี้",
      "slice_count": 3,
      "slices": "นะคะ| เพราะฉะนั้น| ข้อนี้|",
      "edit_duration": 2.168,
      "edit_duration_all": 3.936,
      "is_forceout": false
    },
    {
      "message_id": 778,
      "editor_id": 14,
      "message_received": "นะคะจริงเป็นจริงค่ะ",
      "slice_count": 2,
      "slices": "นะคะ| จึงเป็นจริงค่ะ|",
      "edit_duration": 3.934,
      "edit_duration_all": 7.647,
      "is_forceout": false
    },
    {
      "message_id": 779,
      "editor_id": 14,
      "message_received": "เป็น",
      "slice_count": 1,
      "slices": " เป็น|",
      "edit_duration": 6.093,
      "edit_duration_all": 6.093,
      "is_forceout": false
    },
    {
      "message_id": 780,
      "editor_id": 14,
      "message_received": "ยังไงกันบ้าง",
      "slice_count": 2,
      "slices": "อย่างไร|กันบ้าง|",
      "edit_duration": 5.518,
      "edit_duration_all": 7.601,
      "is_forceout": false
    },
    {
      "message_id": 781,
      "editor_id": 14,
      "message_received": "คะกับเรื่อง",
      "slice_count": 1,
      "slices": "คะกับเรื่อง|",
      "edit_duration": 6.508,
      "edit_duration_all": 6.508,
      "is_forceout": false
    },
    {
      "message_id": 782,
      "editor_id": 14,
      "message_received": "นี้ได้หรือเปล่าคะ",
      "slice_count": 3,
      "slices": "นี้| ง่าย|หรือเปล่าคะ|",
      "edit_duration": 6.226,
      "edit_duration_all": 9.305,
      "is_forceout": false
    },
    {
      "message_id": 783,
      "editor_id": 14,
      "message_received": "เดี๋ยว",
      "slice_count": 1,
      "slices": " เดี๋ยว|",
      "edit_duration": 9.134,
      "edit_duration_all": 9.134,
      "is_forceout": false
    },
    {
      "message_id": 784,
      "editor_id": 14,
      "message_received": "เรามาทบทวนบทเรียนกันดีกว่านะคะ",
      "slice_count": 1,
      "slices": "เรามาทบทวนบทเรียนกันดีกว่านะคะ|",
      "edit_duration": 8.025,
      "edit_duration_all": 8.025,
      "is_forceout": false
    },
    {
      "message_id": 785,
      "editor_id": 14,
      "message_received": "ในคณิตศาสตร์",
      "slice_count": 1,
      "slices": " ในคณิตศาสตร์|",
      "edit_duration": 5.93,
      "edit_duration_all": 5.93,
      "is_forceout": false
    },
    {
      "message_id": 786,
      "editor_id": 14,
      "message_received": "นะคะจะใช้คำ",
      "slice_count": 2,
      "slices": "นะคะ| จะใช้คำ|",
      "edit_duration": 5.296,
      "edit_duration_all": 7.528,
      "is_forceout": false
    },
    {
      "message_id": 787,
      "editor_id": 14,
      "message_received": "ว่าเซตใน",
      "slice_count": 1,
      "slices": "ว่า \"เซต\" ใน|",
      "edit_duration": 6.55,
      "edit_duration_all": 6.55,
      "is_forceout": false
    },
    {
      "message_id": 788,
      "editor_id": 33,
      "message_received": "การกล่าวถึง",
      "slice_count": 1,
      "slices": "การกล่าวถึง|",
      "edit_duration": 5.01,
      "edit_duration_all": 5.01,
      "is_forceout": false
    },
    {
      "message_id": 789,
      "editor_id": 33,
      "message_received": "กลุ่มของสิ่งต่างๆ",
      "slice_count": 1,
      "slices": "กลุ่มของสิ่งต่าง ๆ|",
      "edit_duration": 4.693,
      "edit_duration_all": 4.693,
      "is_forceout": false
    },
    {
      "message_id": 790,
      "editor_id": 33,
      "message_received": "และเมื่อกล่าว",
      "slice_count": 2,
      "slices": " |และเมื่อกล่าว|",
      "edit_duration": 2.695,
      "edit_duration_all": 10.896,
      "is_forceout": false
    },
    {
      "message_id": 791,
      "editor_id": 33,
      "message_received": "ถึงผมได้แล้วนะคะ",
      "slice_count": 1,
      "slices": "ถึงกลุ่มใดแล้วนะคะ|",
      "edit_duration": 10.23,
      "edit_duration_all": 10.23,
      "is_forceout": false
    },
    {
      "message_id": 792,
      "editor_id": 33,
      "message_received": "สามารถ",
      "slice_count": 2,
      "slices": " |สามารถ|",
      "edit_duration": 8.601,
      "edit_duration_all": 10.611,
      "is_forceout": false
    },
    {
      "message_id": 793,
      "editor_id": 33,
      "message_received": "ทราบได้แน่",
      "slice_count": 1,
      "slices": "ทราบได้แน่|",
      "edit_duration": 9.587,
      "edit_duration_all": 9.587,
      "is_forceout": false
    },
    {
      "message_id": 794,
      "editor_id": 33,
      "message_received": "นอนว่าสิ่ง",
      "slice_count": 1,
      "slices": "นอนว่าสิ่ง|",
      "edit_duration": 9.011,
      "edit_duration_all": 9.011,
      "is_forceout": false
    },
    {
      "message_id": 795,
      "editor_id": 33,
      "message_received": "ใดอยู่ในกลุ่มค่ะ",
      "slice_count": 1,
      "slices": "ใดอยู่ในกลุ่มค่ะ|",
      "edit_duration": 8.609,
      "edit_duration_all": 8.609,
      "is_forceout": false
    },
    {
      "message_id": 796,
      "editor_id": 33,
      "message_received": "และสิ่งใด",
      "slice_count": 2,
      "slices": " |และสิ่งใด|",
      "edit_duration": 6.628,
      "edit_duration_all": 8.394,
      "is_forceout": false
    },
    {
      "message_id": 797,
      "editor_id": 33,
      "message_received": "ไม่อยู่ในกลุ่มนะคะ",
      "slice_count": 1,
      "slices": "ไม่อยู่ในกลุ่มนะคะ|",
      "edit_duration": 8,
      "edit_duration_all": 8,
      "is_forceout": false
    },
    {
      "message_id": 798,
      "editor_id": 33,
      "message_received": "เรียก",
      "slice_count": 2,
      "slices": " |เรียก|",
      "edit_duration": 6.934,
      "edit_duration_all": 14.131,
      "is_forceout": false
    },
    {
      "message_id": 799,
      "editor_id": 33,
      "message_received": "สิ่งที่อยู่",
      "slice_count": 1,
      "slices": "สิ่งที่อยู่|",
      "edit_duration": 13.548,
      "edit_duration_all": 13.548,
      "is_forceout": false
    },
    {
      "message_id": 800,
      "editor_id": 33,
      "message_received": "ใน Set ว่า",
      "slice_count": 1,
      "slices": "ในเซตว่า |",
      "edit_duration": 12.529,
      "edit_duration_all": 12.529,
      "is_forceout": false
    },
    {
      "message_id": 801,
      "editor_id": 14,
      "message_received": "สมาชิกค่ะ",
      "slice_count": 1,
      "slices": "\"สมาชิก\" ค่ะ|",
      "edit_duration": 5.625,
      "edit_duration_all": 5.625,
      "is_forceout": false
    },
    {
      "message_id": 802,
      "editor_id": 14,
      "message_received": "คำ",
      "slice_count": 1,
      "slices": " คำ|",
      "edit_duration": 7.593,
      "edit_duration_all": 7.593,
      "is_forceout": false
    },
    {
      "message_id": 803,
      "editor_id": 14,
      "message_received": "ว่าเป็นสมาชิกของ",
      "slice_count": 1,
      "slices": "ว่าเป็น \"สมาชิกของ|",
      "edit_duration": 6.874,
      "edit_duration_all": 6.874,
      "is_forceout": false
    },
    {
      "message_id": 804,
      "editor_id": 14,
      "message_received": "หรือ",
      "slice_count": 1,
      "slices": "\" หรือ|",
      "edit_duration": 5.076,
      "edit_duration_all": 5.076,
      "is_forceout": false
    },
    {
      "message_id": 805,
      "editor_id": 14,
      "message_received": "อยู่ใน",
      "slice_count": 1,
      "slices": " \"อยู่ใน|",
      "edit_duration": 5.673,
      "edit_duration_all": 5.673,
      "is_forceout": false
    },
    {
      "message_id": 806,
      "editor_id": 14,
      "message_received": "เขียนแทนด้วย",
      "slice_count": 2,
      "slices": "\" |เขียนแทนด้วย|",
      "edit_duration": 4.575,
      "edit_duration_all": 6.063,
      "is_forceout": false
    },
    {
      "message_id": 807,
      "editor_id": 14,
      "message_received": "สัญลักษณ์ลักษณะแบบนี้นะคะ",
      "slice_count": 1,
      "slices": "สัญลักษณ์ลักษณะแบบนี้นะคะ|",
      "edit_duration": 5.743,
      "edit_duration_all": 5.743,
      "is_forceout": false
    },
    {
      "message_id": 808,
      "editor_id": 14,
      "message_received": "คำ",
      "slice_count": 1,
      "slices": " คำ|",
      "edit_duration": 6.999,
      "edit_duration_all": 6.999,
      "is_forceout": false
    },
    {
      "message_id": 809,
      "editor_id": 14,
      "message_received": "ว่าไม่เป็นสมาชิกของ",
      "slice_count": 1,
      "slices": "ว่า \"ไม่เป็นสมาชิกของ|",
      "edit_duration": 6.152,
      "edit_duration_all": 6.152,
      "is_forceout": false
    },
    {
      "message_id": 810,
      "editor_id": 14,
      "message_received": "จะเขียน",
      "slice_count": 2,
      "slices": "\" |จะเขียน|",
      "edit_duration": 4.555,
      "edit_duration_all": 6.339,
      "is_forceout": false
    },
    {
      "message_id": 811,
      "editor_id": 14,
      "message_received": "แทนด้วยสัญลักษณ์",
      "slice_count": 1,
      "slices": "แทนด้วยสัญลักษณ์|",
      "edit_duration": 6.338,
      "edit_duration_all": 6.338,
      "is_forceout": false
    },
    {
      "message_id": 812,
      "editor_id": 14,
      "message_received": "ไม่",
      "slice_count": 1,
      "slices": "ไม่|",
      "edit_duration": 5.942,
      "edit_duration_all": 5.942,
      "is_forceout": false
    },
    {
      "message_id": 813,
      "editor_id": 14,
      "message_received": "เป็นสมาชิก",
      "slice_count": 1,
      "slices": "เป็นสมาชิก|",
      "edit_duration": 5.448,
      "edit_duration_all": 5.448,
      "is_forceout": false
    },
    {
      "message_id": 814,
      "editor_id": 14,
      "message_received": "รักษาแบบนี้ค่ะ",
      "slice_count": 2,
      "slices": "ลักษณะ|แบบนี้ค่ะ|",
      "edit_duration": 8.641,
      "edit_duration_all": 9.222,
      "is_forceout": false
    },
    {
      "message_id": 815,
      "editor_id": 14,
      "message_received": "ต่อไป",
      "slice_count": 1,
      "slices": " ต่อไป|",
      "edit_duration": 7.7,
      "edit_duration_all": 7.7,
      "is_forceout": false
    },
    {
      "message_id": 816,
      "editor_id": 14,
      "message_received": "นะคะการเขียน",
      "slice_count": 2,
      "slices": "นะคะ| การเขียน|",
      "edit_duration": 7.058,
      "edit_duration_all": 8.075,
      "is_forceout": false
    },
    {
      "message_id": 817,
      "editor_id": 33,
      "message_received": "แสดงเซต",
      "slice_count": 1,
      "slices": "แสดงเซต|",
      "edit_duration": 5.451,
      "edit_duration_all": 5.451,
      "is_forceout": false
    },
    {
      "message_id": 818,
      "editor_id": 33,
      "message_received": "แต่เบื้องต้น",
      "slice_count": 1,
      "slices": "แต่เบื้องต้น|",
      "edit_duration": 4.696,
      "edit_duration_all": 4.696,
      "is_forceout": false
    },
    {
      "message_id": 819,
      "editor_id": 33,
      "message_received": "นะคะจะมี 2",
      "slice_count": 2,
      "slices": "นะคะ |จะมี 2|",
      "edit_duration": 3.65,
      "edit_duration_all": 4.735,
      "is_forceout": false
    },
    {
      "message_id": 820,
      "editor_id": 33,
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