put six on each side first公仔箱論壇( l2 T2 `* ^9 Q& V
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from the heavier six, split it to three on each side( f% T, X. H2 d. [! A
, r# T! T# ^/ {% c9 m* O9 s9 {6 ^公仔箱論壇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 |