Hard Sudoku #134713524895

00:00
4
1
7
1
4
2
8
5
1
9
3
7
2
3
5
1
4
4
3
4
7
7
8
4
3
9
9
7
2
1
2
3
4
5
6
7
8
9
Erase
Undo
Notes
Hint
?
Solution
Erase