Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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