Langer's Sudoku Assistant

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

 

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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