1. divide 6 and 6, both sides will not equal" M* M5 C! K8 w5 O
2. take any side of the 6, divide then 3 and 3, again both sides will not equal9 @) z F8 P: _* [& y# X5 x" \9 E
3. take any 2 and weigh them5 s" W' q/ M$ M, a4 |! C
if they equal, the one left is the ball.