12 balls names A B C D E F G H I J K L 4 i8 t4 y# |9 u P k' R# xwww3.tvboxnow.com1St A B C D : E F G H if balance - |" T; d% D, Q6 y( q [5 i2nd 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) 9 _4 y! c8 `0 x6 E4 G3 h$ lwww3.tvboxnow.com3rd A (or either A-J) : K if again balance 3rd I : J (the lighter is different) - l" W" I8 G" S# S3 u8 {www3.tvboxnow.comL is different