Langer's Sudoku Assistant

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