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