1. 1st divide to half take the heavier out0 [' h" D' @6 y# z% c
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) 7 h0 i0 f0 Z6 ]7 K5 t& L3. Same method if is not equal on 2nd try.