put six on each side first
1 i& O- d# n% v
$ q3 G8 w5 K+ u% _from the heavier six, split it to three on each side
* q& Q! K- M' Z( A0 z# S" ^
" C/ S/ o$ J$ v+ j( p' q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 |