this one is really simple, i think divide it as half (6-6)
+ N$ `- F) K' w$ X! A' c% ctvb now,tvbnow,bttvbweigh 3-3 , if one side is heavier, weigh 1-1 -> you will know which one is heaviertvb now,tvbnow,bttvb, v; s& c% K/ |9 M
If the above doesnt work
: h- w% l% L7 H! o2 a: Vweigh 3-3 of the other group (2nd chance)
$ L4 |1 O( O% [; T0 O) Ptvb now,tvbnow,bttvbthen weigh 1-1 from heavier group (3rd chance)-> you will know which is heavier |