Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 6 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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