Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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