Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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