Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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