Langer's Sudoku Assistant

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

 

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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