Langer's Sudoku Assistant

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

 

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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