Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 5 is invalid. Go back and make a different choice.

 

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

 

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