Does "...similarly labeled." mean that you MUST exit via the same numbered street by which you enetered?
From the solutions posted, it appears it has been interpreted that way. If this is not the case, I believe the solutions can be even shorter.
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
"...similarly labeled"?
