this one is really simple, i think divide it as half (6-6)- A: d4 V9 A$ J+ b4 Z' \1 S1 f
weigh 3-3 , if one side is heavier, weigh 1-1 -> you will know which one is heavier1 n h8 _+ x2 Q
If the above doesnt work公仔箱論壇) K: B+ A0 h* S9 m$ N+ U
weigh 3-3 of the other group (2nd chance)
3 E4 Z: u$ _' o1 e公仔箱論壇then weigh 1-1 from heavier group (3rd chance)-> you will know which is heavier |