put six on each side first9 c; U. [& D* D8 D% }* W+ i& v
1 G$ L5 J$ W N/ ~) y公仔箱論壇from the heavier six, split it to three on each side4 n9 p7 B" j, s2 B% m# s
公仔箱論壇0 ]- w: a! r# `* n8 Y
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 |