Langer's Sudoku Assistant

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