Langer's Sudoku Assistant

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

 

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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