Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 8 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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