* Eric Parry <joan4e...@gmail.com> in comp.lang.python: > I downloaded the following program from somewhere using a link from > Wikipedia and inserted the “most difficult Sudoku puzzle ever” string > into it and ran it. It worked fine and solved the puzzle in about > 4 seconds. However I cannot understand how it works. It seems to go > backwards and forwards at random. Can anyone explain how it works in > simple terms?
You might also be interested in the following: http://norvig.com/sudoku.html http://norvig.com/sudopy.shtml -- DW -- http://mail.python.org/mailman/listinfo/python-list