Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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