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Want to construct a valid Sudoku for friends and family?On this page you can do that.When you enter a number, you will receive direct feedback as to whether it is still a valid Sudoku.If you have
entered a few numbers and
possibly specified which cells should remain empty or
which cells should contain numbers in the end,
then you can let the generator automatically complete the Sudoku into a correct, uniquely solvable one.
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