Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Go back and make a different choice.

 

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