Langer's Sudoku Assistant

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