Langer's Sudoku Assistant

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