i think its like this: 12乒乓球 oooooooooooo 天平 |' L. C) N/ T. Q( t, v
1)6乒乓球 | 6乒乓球tvb now,tvbnow,bttvb2 \7 c/ R+ U5 K, a6 g' a: O) F
2) take the heavier side then 3乒乓球 | 3乒乓球5.39.217.77( N4 p+ G# P# p' P5 L
3) take the heavier side then 1乒乓球(A) | 1乒乓球(B) with extra 1乒乓球(C)
8 P- `5 S0 U- z* ]* nif A > B then A is the one. q: u3 @; \ H$ F9 F
if B > A then B is the one5 C( g7 `1 c) m+ _
if A = B then C is the one |