Medium Sudoku #4138194726522

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