Langer's Sudoku Assistant

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