Langer's Sudoku Assistant

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

 

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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