Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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