4
9
8
2
3
8
4
9
7
5
7
6
9
1
7
3
6
4
1
9
4
2
1
5
2
1
5
4
06-05-2017......medium
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com