Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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