1. 1st divide to half take the heavier out7 s- o: `% E8 c3 c! a6 o4 j
2. 2nd take 4 balls out of 5 divide 2 groups to get the heavier out. (if is equal thn the remain is the one u looking for) * D) t [7 Z% X4 M" @3. Same method if is not equal on 2nd try.