Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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