Langer's Sudoku Assistant

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

 

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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