Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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