1
3
4
8
3
5
8
9
6
2
8
7
3
7
4
4
9
6
5
7
6
2
3
1
9
2
1
7
schwer
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com