Langer's Sudoku Assistant

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