Langer's Sudoku Assistant

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