Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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