Hard Sudoku #1116425973858

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