Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 2 is invalid. The middle left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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