12 balls names A B C D E F G H I J K Ltvb now,tvbnow,bttvb% g0 k' C4 j" L# i% _
1St A B C D : E F G H if balance
2 k* X, U* l: R3 j2nd 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)tvb now,tvbnow,bttvb P) p4 S9 p# ~ ]8 L
3rd A (or either A-J) : K if again balance 3rd I : J (the lighter is different)
/ B, ~) t& u" Etvb now,tvbnow,bttvbL is different |