Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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