Langer's Sudoku Assistant

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