Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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