Langer's Sudoku Assistant

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

 

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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