Langer's Sudoku Assistant

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