1. divide 6 and 6, both sides will not equal . @4 ?) L7 S1 V( A5 Z. r9 y2 k" R8 z2. take any side of the 6, divide then 3 and 3, again both sides will not equaltvb now,tvbnow,bttvb9 F! g/ c ?$ v) ~$ e
3. take any 2 and weigh them ^4 N8 U; [1 z2 y# f! W% s
if they equal, the one left is the ball.