put six on each side first公仔箱論壇; m) x$ f0 s1 [) i5 c. I8 A
5 S/ j( n# X- s. x: qtvb now,tvbnow,bttvbfrom the heavier six, split it to three on each side
: Z" a }- I/ l8 `! e. L" F7 d' ^" btvb now,tvbnow,bttvb" e4 c/ G e( U1 W, ^8 [
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 |