Langer's Sudoku Assistant

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

 

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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