put six on each side first公仔箱論壇9 T; q7 p0 R+ @" L9 R- j, g
9 O I$ T0 }7 Q |- b7 Y6 `from the heavier six, split it to three on each side公仔箱論壇" s3 L: L% Y: ^" h9 Z& |* f
6 N( R I9 i7 {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 |