Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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