Langer's Sudoku Assistant

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

 

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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