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Features
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Samples ( 10415 sample puzzles available )
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How to use

This solver offers a number of features to help you improve your solving skills and practice solving strategies. First enter the numbers of the puzzle in the grid or enter them via the "Load" button. You can then completely solve the puzzle or use the appropriate buttons to check the validity of the puzzle, get tips for step by step solving and more. For help on the features, click on the appropriate info icon.


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