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.

 

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

 

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