Langer's Sudoku Assistant

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

 

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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