Langer's Sudoku Assistant

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