These are hard difficulty sudoku puzzles that have 2 puzzles per A4 sheet of paper and the solutions on an additional sheet.
Hard Printable Sudoku Puzzles 2 Per Page – Book 32
Printable Sudoku Puzzles Hard sudoku puzzles are much more challenging and are suggested for experienced sudoku players. These puzzles shall have less digits already entered. 06 Hard Sudoku Puzzles 12 Hard Sudoku Puzzles 18 Hard […]