sky888

put six on each side first
, e& D  {- m* `4 z: utvb now,tvbnow,bttvb# ]# u3 }# N. L! F- O( M
from the heavier six, split it to three on each sidetvb now,tvbnow,bttvb& i0 ^' _1 q* ]  E0 r# u! Y- Q

3 {$ ?9 H; [6 s' [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