I think I've found a bug: 
thor@bravo:~/perl> queens.pl -n 10
[a10 b8 c6 d9 e1 f1 g1 h7 i5 j2]

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Wouldn't e1, f1, and g1 all be able to attack one another?

thor

In reply to Re: The N-queens problem using pure regexes by thor
in thread The N-queens problem using pure regexes by Abigail-II

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