Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Go back and make a different choice.

 

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

 

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