Langer's Sudoku Assistant

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

 

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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