kochipai

1. 1st divide to half take the heavier out6 S0 O9 c$ l% P7 ]: q' W4 l; Q/ }+ [+ J3 H
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)
* l, {8 R2 e6 B+ @* ]$ Y6 I  }3. Same method if is not equal on 2nd try.