i think its like this: 12乒乓球 oooooooooooo 天平 | 4 f' M# v( G* u公仔箱論壇1)6乒乓球 | 6乒乓球4 y3 e7 ]/ S# v9 E. S/ U
2) take the heavier side then 3乒乓球 | 3乒乓球 , k6 L' [1 \& K( u' Z1 ^5 a5.39.217.763) take the heavier side then 1乒乓球(A) | 1乒乓球(B) with extra 1乒乓球(C) " y/ X9 \" E/ X! Rtvb now,tvbnow,bttvbif A > B then A is the one ( {5 A" ?+ l& a1 p5.39.217.76if B > A then B is the one 4 e% k7 Y8 o) }if A = B then C is the one