wasape

i think its like this: 12乒乓球  oooooooooooo      天平 |
2 w0 Q, F* Z: L3 @+ _- V3 ]公仔箱論壇1)6乒乓球 | 6乒乓球- N5 a# ~5 N5 R$ k
2) take the heavier side then  3乒乓球 | 3乒乓球公仔箱論壇8 r& D$ K6 x1 F. w
3) take the heavier side then  1乒乓球(A) | 1乒乓球(B)     with extra 1乒乓球(C). l; z* H* d/ J
if A > B then A is the one5.39.217.77. R' Z; @; M1 |8 ]0 _  N& L
if B > A then B is the one公仔箱論壇; P1 b7 O! z4 F  B* b
if A = B then C is the one