Langer's Sudoku Assistant

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

 

Start Over

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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