Langer's Sudoku Assistant

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

 

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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