Hard Sudoku #1436978254120

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