put six on each side first/ ]6 ~9 G* s o; q/ |6 X) g5 |
) X7 y% X/ ?, c, s& L) Dfrom the heavier six, split it to three on each side公仔箱論壇5 Q- N; x) I/ [- v
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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 |