Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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