Langer's Sudoku Assistant

Invalid Sudoku!

Row 3 is invalid. Go back and make a different choice.

 

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

 

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