This was originally submitted here:
<a href="http://news.ycombinator.com/item?id=1028317" rel="nofollow">http://news.ycombinator.com/item?id=1028317</a><p>It was, however, not submitted as a URL so it might never have been seen, and I liked it.  The author wrote this:<p><i>Often when working on a problem you are able to apply a general algorithm to solve it, but if you look under the surface you are able to find all sorts of hidden data about the specific problem that can be exploited. Recently I went walking through a hay maze and discovered just that. While I could take every right hand turn just by opening my eyes and ears I could solve it a tenth of that time. I wrote up the experience and thought you might enjoy it.</i>