Put it on CPAN ... then we can go back to the Slashdot article and say it's now a two-liner in Perl:

cpan -i Puzzle::KnightsTour
perl -MPuzzle::KnightsTour -e 'Puzzle::KnightsTour::solve(SIZE, START_
+X, START_Y)'
[download]

(Yes, yes, I know; CPAN is for useful stuff. I'm being silly ... mostly)