Langer's Sudoku Assistant

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