Langer's Sudoku Assistant

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

 

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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