this one is really simple, i think divide it as half (6-6)
! r! r& P, Y! O* j- G# }# Cweigh 3-3 , if one side is heavier, weigh 1-1 -> you will know which one is heavier% }0 X2 O! \% C, W! V' Z" W
If the above doesnt work9 T& i' Y" `+ j2 ^ W& W% H
weigh 3-3 of the other group (2nd chance): g- H$ G* W* [4 x) z4 q8 ?+ O7 B
then weigh 1-1 from heavier group (3rd chance)-> you will know which is heavier |