Langer's Sudoku Assistant

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