http://sqlblog.com/blogs/merrill_aldrich/archive/2013/01/06/diversion-sub-second-sql-sudoku-solver.aspxI enjoy Sudoku as a way to relax on occasion but, being an IT guy, I suppose I am predictably meta: solving them is fun, but making a machine to solve them is even more fun. I created a clunky solver once before based on the idea of using as few T-SQLenCommunityServer 2.1 SP2 (Build: 61129.1)