Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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