Hard Sudoku #1423495687198

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