12 balls names A B C D E F G H I J K L公仔箱論壇; `( l1 v# L4 f& P
1St A B C D : E F G H if balance ) B% g6 d: U' K& \
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)
' u9 M- N. G/ \) _4 Z* f5.39.217.763rd A (or either A-J) : K if again balance 3rd I : J (the lighter is different)
& p) ]" g0 o' r2 Ptvb now,tvbnow,bttvbL is different |