Langer's Sudoku Assistant

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

 

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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