put six on each side first
. D4 w4 n7 U; q: }9 A公仔箱論壇
- x% p: B# x+ ~2 r( B公仔箱論壇from the heavier six, split it to three on each side
6 a$ j0 p3 d) w
: |. p# x. k# Q$ E. Rthen 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 |