1. 1st divide to half take the heavier out! d6 n$ o6 E7 n2 Q3 u% b
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,bttvb: m4 f* m8 {, ^1 ^9 J5 \
3. Same method if is not equal on 2nd try.