Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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