Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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