Langer's Sudoku Assistant

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

 

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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