i dunno if i am correct but sounded too easy, mabbe i get it wrong公仔箱論壇4 Q1 g9 n$ E3 R2 E1 \+ ^
2 t0 S8 m6 s, G' G, k+ U
6 _ 6 (take the heavier side)
2 L- n+ S' e' `! P3_3 (take the heavier side)- O! P, j* X8 j2 b( G" C
1_1( A: if same then the remaining is the heavier)
/ n0 f3 ^5 V- N* `# O4 |0 j (b: if on of it is heavier than the other, then must be that lar) |