Langer's Sudoku Assistant

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

 

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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