Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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