kochipai

1. 1st divide to half take the heavier out
% P% D! _% j( d7 o  l2 z# S' H8 v2. 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)
9 s: E: l+ U9 A. f* ~6 S0 O( O3. Same method if is not equal on 2nd try.