Sudoku 6 to 10 (medium)

Fill in the puzzle so that every row across, every column down and every 3 by 3 box contains the numbers 1 to 9.

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Fill in the puzzle so that every row across, every column down and every 3 by 3 box contains the numbers 1 to 9.

Quite tricky puzzles.

More hard Sudoku puzzles.

As hard as you would want!

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