put six on each side first
3 C" ^7 C1 W7 P) `) s. z5 d0 {$ U( K0 f( p( d
from the heavier six, split it to three on each side公仔箱論壇6 L( L s0 I; g; z
, |* A! K1 J+ M4 ~! t4 z8 Pthen 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 |