Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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