i think its like this: 12乒乓球 oooooooooooo 天平 |5.39.217.763 a( P9 p0 ~- r P6 l
1)6乒乓球 | 6乒乓球
2 b9 S: L: _* B) \$ \$ {2) take the heavier side then 3乒乓球 | 3乒乓球tvb now,tvbnow,bttvb/ Q+ l/ x f! @$ f* e
3) take the heavier side then 1乒乓球(A) | 1乒乓球(B) with extra 1乒乓球(C)" o" n, l9 J8 R$ ^% T
if A > B then A is the one
$ Y+ F* Q) \2 X. s4 l8 Vtvb now,tvbnow,bttvbif B > A then B is the one
" k1 r8 j$ @4 d$ T% |' N% M* L7 Stvb now,tvbnow,bttvbif A = B then C is the one |