Langer's Sudoku Assistant

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