Langer's Sudoku Assistant

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

 

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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