put six on each side first
' X9 P8 r7 P; U" `7 p& C
' } }( \. q% B, f) o. @3 [5.39.217.77from the heavier six, split it to three on each side
) s" v+ B5 H. a8 c5 j* V
8 ^+ t& A; ?. b+ T7 K! f2 Q* b: ]8 N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 |