1. divide 6 and 6, both sides will not equal 4 p5 V0 l$ ]* O# Y0 b, N2. take any side of the 6, divide then 3 and 3, again both sides will not equaltvb now,tvbnow,bttvb6 G5 s) R& x& T6 g
3. take any 2 and weigh them+ Q3 Q0 c L" ^- Y8 G0 E
if they equal, the one left is the ball.