Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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