1. divide 6 and 6, both sides will not equal5 g7 x6 j# l3 [7 e5 W9 B0 s
2. take any side of the 6, divide then 3 and 3, again both sides will not equal 4 T# t3 P3 I, Z) b( X( b5.39.217.77:88983. take any 2 and weigh them5.39.217.77:8898& \# e: X! L. Y2 Q: S; N7 _) r
if they equal, the one left is the ball.