Since our pool team is from MCS, at least most of you. I thought I'd share this tidbit of info. Here's the press release: http://www.cnn.com/2007/TECH/science/03/21/math.puzzle.solved.ap/index.html Here's a more detailed explanation: http://aimath.org/E8/ Sorry I took so long. I'm a bit slow. ;-) Roger S.