Langer's Sudoku Assistant

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