Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 4 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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