Free Sudoku puzzles © 2007-2026 ACJ • email • Nederlands This is your Sudoku (level: difficult). Symbols to use: 123456789 7 1 9 4 2 1 9 3 8 4 3 9 7 9 6 5 7 3 8 9 2 3 2 6 5 Have fun with your Sudoku. Feel free to visit this site again for as many Sudoku's as you like.