1. 1st divide to half take the heavier out # X0 z7 c8 l5 s3 ^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)* g$ j y6 p, m1 B1 A, `4 {' I
3. Same method if is not equal on 2nd try.