Langer's Sudoku Assistant

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

 

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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