3 9 8 7
2 1 7 8 5 9
6 2
9 3
6 7 1
4 6
9 1
4 2 8 1 9 3
1 5 4 8
02-04-2017......hard
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com