These are hard difficulty sudoku puzzles that have 2 puzzles per A4 sheet of paper and the solutions on an additional sheet.
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Hard Printable Sudoku Puzzles 2 Per Page – Book 30
Printable Sudoku Puzzles Download these free hard sudoku puzzles to help you get a good grip on the game. More advanced solving techniques will be needed to complete these puzzles. 06 Hard Sudoku Puzzles 12 […]