Langer's Sudoku Assistant

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

 

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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