Langer's Sudoku Assistant

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

 

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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