4
8
5
9
1
2
3
7
5
4
8
7
1
5
1
3
8
4
6
6
9
1
3
4
2
3
7
1
5
6
13-01-2017......schwer
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
