1. 1st divide to half take the heavier out+ r V. G' w0 H; D3 S! \8 G! i
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) ! D6 W6 C X1 Y# @5 Y3. Same method if is not equal on 2nd try.