Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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