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Sudoku Solver - Unique or Multiple Solution Finder - Sudoku
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Sudoku Solver - Unique or Multiple Solution Finder

Enter a sudoku puzzle string below (see the Thonky.com sudoku page for an example of a puzzle string in the text area below the puzzle), then click the Count Solutions button to find out if the puzzle has a unique solution, multiple solutions, or no solutions (i.e. an invalid puzzle). All valid solutions will be listed.

Enter a sudoku string (see example):


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