Langer's Sudoku Assistant

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

 

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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