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.

 

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

 

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