Langer's Sudoku Assistant

Invalid Sudoku!

Column 2 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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