put six on each side first
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from the heavier six, split it to three on each side
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[ F+ v3 l8 P A, C& z( T5 JTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。then there is three left, put one on each side, if one is heavier then that is it, if they are balanced then last one is heavy one |