Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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