Langer's Sudoku Assistant

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