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 31
Printable Sudoku Puzzles These hard sudoku free puzzles are an excellent way to play the game for the seasoned player. Download those free puzzles, then print them and play. 06 Hard Sudoku Puzzles 12 Hard […]