Langer's Sudoku Assistant

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