Langer's Sudoku Assistant

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

 

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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