http://www.jsoftware.com/jwiki/Essays/Sudoku http://puzzles.usatoday.com/sudoku#/2013/05/22
(caution: that usatoday page often has a 30 second preroll ad, hopefully that will be toned down before too long.) $u20130522 81 10#.3 3 3 3$u20130522 900 30 2 3 26 0 2 190 430 350 60 90 2 40 700 70 50 26 49 75 80 0 610 500 100 80 3 sudoku u20130522 |index error: free Is this really a sudoku puzzle without a solution? If so, what's a simple way of proving this? Thanks, -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
