Langer's Sudoku Assistant

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