first, compare 6 and another 6. they must have difference. & W( ]; w0 f; I% ]
second, divide those 6 heavier one into two, each has 3. u will find difference again.tvb now,tvbnow,bttvb$ l8 [, w, R% ]: r% `+ a
third time, if u put 2 and they are equal, u will know the different one.5.39.217.77:88988 X. k( y! k7 @$ K
so easy.... |