Langer's Sudoku Assistant

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