Langer's Sudoku Assistant

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