put six on each side first公仔箱論壇3 l/ N( b T/ a. B- q
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from the heavier six, split it to three on each side
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! r6 M9 V' `/ Z$ f+ X& t! Jthen 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 |