this one is really simple, i think divide it as half (6-6)
6 D% v% b; Z% X. R" N) ]' D6 Y* b8 r) D0 gweigh 3-3 , if one side is heavier, weigh 1-1 -> you will know which one is heavier
; f5 A. \ D6 I. p& I公仔箱論壇If the above doesnt work1 Z/ Z& ^: e: f* h
weigh 3-3 of the other group (2nd chance)
7 k+ a7 w/ ^% K/ k公仔箱論壇then weigh 1-1 from heavier group (3rd chance)-> you will know which is heavier |