Brian, You wrote "21, 66, 171, X". I think you meant "21, 66, 115, X". The rest of your argument is straightforward... but I sincerely hope that this is not what Freddy had in mind.
blackjack
<a href="http://c.casalemedia.com/c?s=51816&f=3&id=0" target="_blank"><img src="http://as.casalemedia.com/s?s=51816&u=http://perplexus.info&f=3&id=0&if=0" width="120" height="600" border="0"></a>
flooble's webmaster puzzle
re: An alternate approach
