Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 5 is invalid. Go back and make a different choice.

 

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

 

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