Langer's Sudoku Assistant

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

 

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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