Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 1 is invalid. Go back and make a different choice.

 

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

 

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