12 balls names A B C D E F G H I J K L. l+ \! a) w/ t8 E
1St A B C D : E F G H if balance 8 |7 R1 |" e8 D" H. I5.39.217.762nd 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) ' \0 G1 q: g8 J$ X9 p公仔箱論壇3rd A (or either A-J) : K if again balance 3rd I : J (the lighter is different) $ I+ n* ~ r( k, W/ l$ _2 p. O; ^2 rL is different