12 balls names A B C D E F G H I J K L
. p6 W& i- ^. J9 U0 X+ U1St A B C D : E F G H if balance
: m. B4 T! x' C$ v, M0 Ftvb now,tvbnow,bttvb2nd 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)
6 r+ ?! `* [4 L6 |# x a2 f3rd A (or either A-J) : K if again balance 3rd I : J (the lighter is different)tvb now,tvbnow,bttvb# j/ i1 j2 F0 l- m
L is different |
發表於 2007-6-7 06:21 AM
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