Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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