Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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