8 4 2 1
7 2 6 9
3 1 8 5
7 6 3
3 1 9 8 5 4
5 3 2
3 9 4 6
4 6 8 7
5 7 1 2
14-01-2020.......medium
www.daily-sudoku-puzzle.com

www.daily-sudoku-puzzle.com