first, compare 6 and another 6. they must have difference.
; p( j4 B8 e# B7 x' R+ i; lsecond, divide those 6 heavier one into two, each has 3. u will find difference again.tvb now,tvbnow,bttvb2 j+ o% _8 c7 }2 m5 `, o( K" c4 U
third time, if u put 2 and they are equal, u will know the different one.+ [5 n% \2 F4 ~
so easy.... |