put six on each side first
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: m) {) L1 N U) U! c' F& L( a5 Xfrom the heavier six, split it to three on each side公仔箱論壇0 v5 E8 Q1 l0 o9 F2 t
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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 |