Langer's Sudoku Assistant

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

 

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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