Langer's Sudoku Assistant

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

 

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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