Langer's Sudoku Assistant

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