4
7
6
2
8
5
9
8
6
2
5
9
7
4
1
3
2
4
1
6
3
3
5
4
8
2
1
4
3
9
7
26-12-2016......schwer
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
