Hard Sudoku #1368937425173

00:01
2
1
3
6
7
8
4
3
3
8
6
3
8
7
4
6
7
2
6
2
9
7
1
4
4
3
1
2
4
9
8
6
1
2
3
4
5
6
7
8
9
Erase
Undo
Notes
Hint
?
Solution
Erase