Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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