Langer's Sudoku Assistant

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

 

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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