12 balls names A B C D E F G H I J K Ltvb now,tvbnow,bttvb& {8 B/ ~; w$ G8 z6 q5 y
1St A B C D : E F G H if balance tvb now,tvbnow,bttvb3 d0 f7 Z/ V# ~* r8 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)公仔箱論壇# q% t" P, s$ J4 Y% x3 |
3rd A (or either A-J) : K if again balance 3rd I : J (the lighter is different)公仔箱論壇" M& k6 C# ?' |" `7 U
L is different |