12 balls names A B C D E F G H I J K L ; D0 \3 H' {4 w公仔箱論壇1St A B C D : E F G H if balance - W2 E1 S0 G/ i5 L% Y( p, `0 n
2nd A B (or either 2 of A-H) : I J if again balance if A B > I J (implies the different is light ball is I or J)5.39.217.76+ U: ^" v l+ P. s: y0 h) a ~# H
3rd A (or either A-J) : K if again balance 3rd I : J (the lighter is different) * t* h+ a0 M( j/ b8 z- f: U5.39.217.76L is different