Langer's Sudoku Assistant

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