hard sudoku puzzles

Printable Sudoku Puzzles Hard sudoku puzzles are for the more advanced sudoku player. A limited amount of the numbers will already be placed onto the puzzle consequently making it harder to complete. 30 Hard Sudoku […]

Printable Sudoku Puzzles Hard sudoku puzzles are much more difficult and are suggested for experienced sudoku players. These sudoku puzzles will have less figures already entered. 40 Hard Sudoku Puzzles – Book 01 40 Hard […]