![]() ![]() ![]() array fieldBounds ) ( mapM ( uncurry ( fmap. You can play 6圆 Sudoku puzzles here, and a standard Sudoku grid can be solved using the tool here. Play Sudoku Online Dont want to solve the same Sudoku puzzles again and again Now you no longer need to search the web for new puzzles. Enter the numbers of the Sudoku grid you want to solve in the upper fields and click on the 'Solve' button. The objective is to fill the 9x9 Sudoku grid with digits 1 to 9 such that each of these 9 digits appears in each row, each column and each 3x3 sub-grid once any only once. Node sudoku ( chooseMinLen ( map ( map treeAltToStandardOptimize ) subs )) maybeComplete :: T -> Maybe Complete maybeComplete sudoku = fmap ( Array. 6圆 Sudoku solver is used in the same way as the standard one. treeAltToStandardOptimize :: ATree T -> Tree T treeAltToStandardOptimize ( ANode sudoku subs ) = let chooseMinLen = chooseMinLen xs = minimumBy compareLength xs in Tree. ![]() ![]() Sudoku Puzzle Archive All the puzzles on this site rate a 'fiendish' category, but then we picked the hardest, and graded them in five progressively more difficult categories: Evil, Excessive, Egregious, Excruciating, and Extreme, in order from least difficult to most difficult. This does a backtracking search, trying possibilities until it finds one which works, and backtracking when it can no longer make a legal move. See our guide to solution rules for hard sudoku puzzles. It possibly looks even more naïve than it actually is. 17 Constraint Propagation (a la Norvig).7 Very smart, with only a little guessing. ![]()
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