12 balls names A B C D E F G H I J K L公仔箱論壇/ x2 R2 ~; U! B- I9 A6 x; ^+ l
1St A B C D : E F G H if balance tvb now,tvbnow,bttvb4 Y8 C) D4 t B$ q' ~1 ?5 J5 H$ `2 [
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)
1 z( h, O$ D) ]1 X# o8 E3rd A (or either A-J) : K if again balance 3rd I : J (the lighter is different)tvb now,tvbnow,bttvb7 B/ F) \$ D* `& H& C
L is different |