Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 7 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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