The diagonal constraint adds a new layer of complexity that keeps even expert solvers engaged.
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Brain Training
Improve your logical thinking and pattern recognition with this enhanced puzzle format.
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Faster Solutions
Paradoxically, the extra constraint can sometimes make puzzles easier to solve!
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Competition Ready
X-Sudoku appears in world championships. Practice here to compete globally.
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Play Anywhere
Our responsive design works perfectly on desktop, tablet, and mobile devices.
sudoku printable medium
sudoku rules tips Sudoku competitions are held globally, where speed solvers compete to finish complex grids in the shortest time possible.
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sudoku rules tips The Benefits of Playing Sudoku Daily
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sudoku rules tips What is Sudoku and How to Play?
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sudoku rules tips What is Sudoku and How to Play?
sudoku rules tips There are several difficulty levels in Sudoku, ranging from easy for beginners to expert for seasoned players. Solving techniques include scanning, cross-hatching, and identifying candidate numbers. sudoku hints and tips Many people enjoy solving Sudoku as a relaxing hobby. It provides a sense of accomplishment when a difficult puzzle is finally completed correctly.
sudoku rules tips What is Sudoku and How to Play?
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