Langer's Sudoku Assistant

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