by B Michel · 2007 · Cited by 7 — In this article we give an overview of mathematical techniques used to count the number of validly completed 9 × 9 sudokus and the number of ...

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There are four of such boxes (two in the union of three columns, and two in the union of three rows). And the red box is the complement of the 4+4 found so far.

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These slides document the implementation of a Sudoku puzzle solver, starting from a more or less formal specification, using constraint ...

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This format was first introduced in the Dutch newspaper "NRC Handelsblad" by Peter Ritmeester. It is called Windoku ("Four-Box Sudoku", "Hyper Sudoku"). Windoku.

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A Sudoku solver transforms the problem into a solution. Please carry out the following exercise before reading on. Exercise 1. Give a Hoare triple for a Sudoku ...

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Windoku, NRC-Sudoku, Hypersudoku, Sudoku Hyper, or Four-square Sudoku is a Sudoku Variant with additional constraints.

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Sudoku may contain additional four regions 3 x 3. This format was first introduced in the Dutch newspaper "NRC Handelsblad" by Peter Ritmeester.

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Hypersudoku is a game of logic. The following is a brief explanation of the logic necessary to develop your strategies for the game of hypersudoku.

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Windoku, NRC-Sudoku, Hypersudoku, Sudoku Hyper, or Four-square Sudoku is a Sudoku Variant with additional constraints.

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Cross+A can solve and create many kinds of sudokus. The program can solve puzzles of different grid sizes.

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