12 balls names A B C D E F G H I J K L
* d9 E5 @' B* {+ ^5.39.217.77:88981St A B C D : E F G H if balance
$ Z$ \6 i' f& `; {4 i+ Z! w5.39.217.77:88982nd 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)
& X' R% z5 a* y, m: N. Y/ y, b公仔箱論壇3rd A (or either A-J) : K if again balance 3rd I : J (the lighter is different)
8 B( ^5 S, X: g% |% \1 N6 HL is different |