Medium Sudoku #139672358143

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