Langer's Sudoku Assistant

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