12 balls names A B C D E F G H I J K L5.39.217.77:8898$ a0 w; o( r W
1St A B C D : E F G H if balance . Y( @' a: e: m& l
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)tvb now,tvbnow,bttvb$ Y5 |/ k% C% [& ^% R: |; \" Q
3rd A (or either A-J) : K if again balance 3rd I : J (the lighter is different)
Y, z+ i. p; \# ^4 Stvb now,tvbnow,bttvbL is different |