Free Sudoku puzzles © 2007-2025 ACJ • email • Nederlands This is your Sudoku (level: difficult). Symbols to use: 123456789 7 2 5 5 7 8 9 9 1 4 3 4 5 2 7 6 6 7 8 1 4 2 5 Have fun with your Sudoku. Feel free to visit this site again for as many Sudoku's as you like.