Langer's Sudoku Assistant

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

 

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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