Langer's Sudoku Assistant

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

 

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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