Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 5 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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