Another HN post becomes rosetta? Besides the poor search, it does not even try to remove duplications because of symmetry. Rosetta posts should always include

Another HN post becomes rosetta? Besides the poor search, it does not even try to remove duplications because of symmetry. Rosetta posts should always include a one liner from APL, so here is a link: https://dfns.dyalog.com/n_queens.htm https://dfns.dyalog.com/n_queens.htm