Langer's Sudoku Assistant

Invalid Sudoku!

Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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