Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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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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