Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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