12 balls names A B C D E F G H I J K L5.39.217.77) s u$ [% K- e! D- X
1St A B C D : E F G H if balance
, A4 @+ U7 V8 C% W7 \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)
: z. G+ Y1 p- Qtvb now,tvbnow,bttvb3rd A (or either A-J) : K if again balance 3rd I : J (the lighter is different)5.39.217.77) n1 S/ m7 W% a
L is different |