Langer's Sudoku Assistant

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