Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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