Free Sudoku puzzles © 2007-2024 ACJ • email • Nederlands This is your Sudoku (level: difficult). Symbols to use: 123456789 6 3 8 7 9 4 9 2 1 2 6 6 9 3 2 7 2 8 5 4 8 6 7 Have fun with your Sudoku. Feel free to visit this site again for as many Sudoku's as you like.