1. 1st divide to half take the heavier outtvb now,tvbnow,bttvb0 a7 S1 Z" O' L
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): a+ u% \3 \7 H4 J7 u8 j- U
3. Same method if is not equal on 2nd try.