Langer's Sudoku Assistant

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

 

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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