Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Go back and make a different choice.

 

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

 

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