Medium Sudoku #235689432173

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