12 balls names A B C D E F G H I J K Ltvb now,tvbnow,bttvb2 f9 c5 c* G9 M/ m' R3 E3 Z
1St A B C D : E F G H if balance # T* w+ X- _6 I$ W
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)# n1 ?3 o- |) y j, c1 w3 ]
3rd A (or either A-J) : K if again balance 3rd I : J (the lighter is different)公仔箱論壇+ V; g8 e( W8 [# a# w
L is different |