12 balls names A B C D E F G H I J K L % h& w3 Q" n0 D4 Q公仔箱論壇1St A B C D : E F G H if balance ' R- T0 U! u0 D9 m2nd 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 r6 s7 m$ V' v. a+ x+ E+ W
3rd A (or either A-J) : K if again balance 3rd I : J (the lighter is different) 5 A7 p0 U: @" V! F/ l( wL is different