i think its like this: 12乒乓球 oooooooooooo 天平 |1 J4 b# Y0 P8 j) b% Q ?' t1 d
1)6乒乓球 | 6乒乓球
+ `: s: N$ g# C" R% {7 y. x: X3 \2) take the heavier side then 3乒乓球 | 3乒乓球
( c y/ u! X' H( S& P+ ]3) take the heavier side then 1乒乓球(A) | 1乒乓球(B) with extra 1乒乓球(C)( g: ~% k* _$ [# ~2 Y
if A > B then A is the one
& [2 |) }. c. ~( twww2.tvboxnow.comif B > A then B is the one* G R0 j c' B# R
if A = B then C is the one |