4
7
3
8
1
6
9
4
5
7
1
8
8
7
1
3
9
7
8
1
2
4
8
3
2
6
9
6
5
9
8
2
8
5
3
18-01-2010.......medium
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
