Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 5 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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