Langer's Sudoku Assistant

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

 

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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