Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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