Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Go back and make a different choice.

 

7
8
6
9
4
3
2
5
1
3
5
2
1
8
7
4
9
6
4
1
9
2
6
5
3
8
7
4
3
8
1
6
2
5
7
9
2
6
9
7
4
5
8
1
3
7
5
1
8
9
3
6
2
4
8
1
5
6
2
4
3
9
7
9
2
4
5
7
1
6
3
8
1  2  3
4  5  6
7  8  9
7
6
9
3
8
1
4
2

 

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