wasape

i think its like this: 12乒乓球  oooooooooooo      天平 |
3 n) f! e! Z0 Z9 y, Btvb now,tvbnow,bttvb1)6乒乓球 | 6乒乓球tvb now,tvbnow,bttvb8 u$ u) Z" f4 B  k% e& b6 k
2) take the heavier side then  3乒乓球 | 3乒乓球
  e/ G1 r! ?5 i- X8 R" v7 L' S; b- Y' Q3) take the heavier side then  1乒乓球(A) | 1乒乓球(B)     with extra 1乒乓球(C)
, \. V$ ^/ @0 U# Nif A > B then A is the one
  P1 ~& K  r9 Z3 C1 m  _5 V9 w' }公仔箱論壇if B > A then B is the one公仔箱論壇+ b/ w6 q2 D8 r. J2 S
if A = B then C is the one