first, compare 6 and another 6. they must have difference.
3 L6 [# P2 I- f+ a5 {tvb now,tvbnow,bttvbsecond, divide those 6 heavier one into two, each has 3. u will find difference again.tvb now,tvbnow,bttvb9 t! O# a k+ @. @1 @/ O* k5 A2 V
third time, if u put 2 and they are equal, u will know the different one.
2 j4 [; \! D! y0 p/ `' Ptvb now,tvbnow,bttvbso easy.... |