Langer's Sudoku Assistant

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

 

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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