Langer's Sudoku Assistant

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