Reminds me of Abigail's regexp solution to N-queens
http://perlmonks.org/?node_id=297616 -- H4sICNoBwDoAA3NpZwA9jbsNwDAIRHumuC4NklvXTOD0KSJEnwU8fHz4Q8M9i3sGzkS7BBrm OkCTwsycb4S3DloZuMIYeXpLFqw5LaMhXC2ymhreVXNWMw9YGuAYdfmAbwomoPSyFJuFn2x8 Opr8bBBidccAAAA= -- MOTD on Setting Orange, the 37th of Discord, in the YOLD 3172: How did it get so late so soon? It's night before it's afternoon. December is here before it's June. My goodness how the time has flewn. How did it get so late so soon? -Dr. Seuss