Langer's Sudoku Assistant

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

 

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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