Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Go back and make a different choice.

 

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

 

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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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