12 balls names A B C D E F G H I J K L公仔箱論壇- D$ O2 _2 t* D/ m7 b
1St A B C D : E F G H if balance
/ f/ H1 U: i0 @5 L公仔箱論壇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)
3 ]: G B7 C2 ^, h; }8 O" q8 K公仔箱論壇3rd A (or either A-J) : K if again balance 3rd I : J (the lighter is different)6 d, q9 t" |; h0 F
L is different |