Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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