Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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