Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 6 is invalid. Go back and make a different choice.

 

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

 

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