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.

 

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

 

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