Sudoku

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• New game
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• Beginner
• Moderate
• Hard
• Expert

• Goal of the game
• 1. No duplicates of the numbers 1-9 horizontally.
• 2. No duplicates of the numbers 1-9 vertically
• 3. No duplicates of the numbers 1-9 in the 3x3 cell groups

• Click on a cell and use your keyboard to type in the numbers.