low218

i dunno if i am correct but sounded too easy, mabbe i get it wrong公仔箱論壇# v% }/ b, n  G7 f

& n3 k! l1 N8 C2 E& S, ^tvb now,tvbnow,bttvb6 _ 6 (take the heavier side)
2 n  f# p6 O: L( |/ r5 B. F0 F; Atvb now,tvbnow,bttvb3_3 (take the heavier side)8 a5 |& }4 X& C6 C3 `& V
1_1( A: if same then the remaining is the heavier)
  a9 Q3 q3 Z) x+ [" }$ l) f+ t& ~tvb now,tvbnow,bttvb        (b: if on of it is heavier than the other, then must be that lar)