Langer's Sudoku Assistant

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