Hard Sudoku #1372958436118

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