6
1
9
3
4
7
8
3
2
5
2
4
8
1
7
9
6
4
7
5
9
7
2
5
6
8
2
1
21-10-2012......medium
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com