Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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