Langer's Sudoku Assistant

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

 

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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