Langer's Sudoku Assistant

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