Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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