Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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