Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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