3
9
7
5
2
4
9
4
7
1
2
7
9
8
7
2
3
6
2
1
5
8
3
7
8
6
1
3
5
4
20-01-2018......diabolico
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com