Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Go back and make a different choice.

 

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

 

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