Langer's Sudoku Assistant

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