1. 1st divide to half take the heavier out7 S* B7 w8 J+ I, t4 C
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)7 d8 P- J: ~; @+ j/ `0 J
3. Same method if is not equal on 2nd try.