Langer's Sudoku Assistant

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

 

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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