กลุ่ม 1 บทที่ 2, กลุ่ม 2 บทที่ 3, กลุ่ม 3 บทที่ 4, กลุ่ม 4 บทที่ 5, กลุ่ม 5 บทที่ 6, กลุ่ม 6 บทที่ 7และ12

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