Langer's Sudoku Assistant

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