Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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