Langer's Sudoku Assistant

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

 

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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