Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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