put six on each side first
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2 C% [1 w5 J6 z W3 O6 j公仔箱論壇from the heavier six, split it to three on each side( l3 f. a2 T, r% k: L* X3 d3 j! l
( k% k% S. C. z9 S2 Ythen 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 |