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