Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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