Langer's Sudoku Assistant

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