Langer's Sudoku Assistant

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

 

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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