Langer's Sudoku Assistant

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

 

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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