Langer's Sudoku Assistant

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

 

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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