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Posted: Mon Feb 19, 2007 10:25 am
by jayshields
Mordred wrote:Right. Just make sure your id column in the database is not int, as the autoincrement will overflow...

http://www.afjarvis.staff.shef.ac.uk/sudoku/

:twisted:
Heh, I've seen that before, but which one of the first two sections are correct? And what's the difference between "different" and "essentially different"?

Posted: Mon Feb 19, 2007 11:05 am
by Kieran Huggins
oh come on.. there are only 5,472,730,538 *really* different puzzles - the rest of the 6,670,903,752,021,072,936,960 are similar enough to ignore! ;-)