Hard Sudoku #2136185492718

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