Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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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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