Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Go back and make a different choice.

 

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

 

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