4
5
1
7
8
9
7
6
5
4
8
5
9
1
9
8
7
4
8
1
8
3
7
6
2
3
8
9
6
2
1
5
8
4
9
6
facil
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com