Langer's Sudoku Assistant

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

 

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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