first, compare 6 and another 6. they must have difference.
2 \6 d6 g2 Q+ P* q5 D( C# E- P; dtvb now,tvbnow,bttvbsecond, divide those 6 heavier one into two, each has 3. u will find difference again.5.39.217.77/ E0 e' X* c0 W0 a2 N! J. X4 c' T
third time, if u put 2 and they are equal, u will know the different one.tvb now,tvbnow,bttvb$ J/ ]$ F I, g( Q8 s& B
so easy.... |