first, compare 6 and another 6. they must have difference. tvb now,tvbnow,bttvb& b% r# ^$ ]1 v1 z8 F% I( h4 e
second, divide those 6 heavier one into two, each has 3. u will find difference again.tvb now,tvbnow,bttvb5 Q8 ?3 m, P0 ]* @7 L
third time, if u put 2 and they are equal, u will know the different one./ v3 D% V% s" v) L2 F2 x1 K3 Q2 G
so easy.... |