put six on each side first公仔箱論壇3 x1 L0 q7 y, j9 n' N2 u
8 E! I& [9 ?- S" `from the heavier six, split it to three on each side7 Y5 d, ^+ j+ L9 Z1 k. p
2 x( m7 R5 [2 s4 Y+ u% L; 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 |