1. divide 6 and 6, both sides will not equal2 }- j- r* G* C! i' l
2. take any side of the 6, divide then 3 and 3, again both sides will not equaltvb now,tvbnow,bttvb$ r$ M" H% l, D) @
3. take any 2 and weigh them5.39.217.77:8898% X2 a2 @4 i6 _% E1 m: k( w+ W
if they equal, the one left is the ball.