12 balls names A B C D E F G H I J K Ltvb now,tvbnow,bttvb- `: s+ ]+ D" ~- z
1St A B C D : E F G H if balance 5.39.217.77- m; \' v- i. b( Z1 v
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)5.39.217.77" I/ |% R6 r; [; Q
3rd A (or either A-J) : K if again balance 3rd I : J (the lighter is different) ) o/ e |7 j2 a5 u4 s公仔箱論壇L is different