wasape

i think its like this: 12乒乓球  oooooooooooo      天平 |
" g+ O+ l! O2 T8 |. |3 q4 f0 `# u1)6乒乓球 | 6乒乓球公仔箱論壇! [7 m& r. k" e+ h' h, i: N
2) take the heavier side then  3乒乓球 | 3乒乓球( n+ J  A( q6 z
3) take the heavier side then  1乒乓球(A) | 1乒乓球(B)     with extra 1乒乓球(C)
3 o- ~* ~+ F) p! ^( @if A > B then A is the one' _  b( s) W2 Q& U+ A& u
if B > A then B is the onetvb now,tvbnow,bttvb% r1 o  z; N; |  H0 B$ W
if A = B then C is the one