Langer's Sudoku Assistant

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