1. 1st divide to half take the heavier out S v0 C' Z/ X3 l8 Y
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)tvb now,tvbnow,bttvb9 N! F' n; Q. P- O( @
3. Same method if is not equal on 2nd try.