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Given a partially filled 9×9 2D array, the goal is to assign digits (from 1 to 9) to the empty cells so that every row, column, and sub grid of size 3×3 contains exactly one instance of the digits from 1 to 9.
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Sudoku solver written in Python using the TkInter library. Handles various puzzle sizes and allows for both letters and numbers. If you don't have Python installed you can get it at http://www.python.org/download/
The sudoku Solver can solve sudoku puzzles for you. It may take only about a few seconds for the simpler puzzles, but for harder ones it usually takes about a few minutes. You can also play any puzzle you get across in newspapers, magazines and internet.