Langer's Sudoku Assistant

Invalid Sudoku!

Row 1 is invalid. Column 9 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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