Langer's Sudoku Assistant

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