i think its like this: 12乒乓球 oooooooooooo 天平 |% _9 m3 f4 A' ^' U% R+ V
1)6乒乓球 | 6乒乓球% ?% p+ Y& H. C! }
2) take the heavier side then 3乒乓球 | 3乒乓球
* i: A4 q/ z7 e4 t# i4 C公仔箱論壇3) take the heavier side then 1乒乓球(A) | 1乒乓球(B) with extra 1乒乓球(C)
6 T$ H5 i& a+ D; d4 ], F& wif A > B then A is the one
' D8 C. f a1 ]. Z" _if B > A then B is the one公仔箱論壇7 c- n5 K1 ^: W9 @8 z2 ~% n
if A = B then C is the one |