put six on each side first公仔箱論壇- ~7 D! ]# G! C2 K# _' z
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from the heavier six, split it to three on each side公仔箱論壇7 S/ o- i5 t$ K) ~0 f3 h5 m, ^
. Z5 u9 @+ ^4 Y$ D" `' Y& 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 |