Langer's Sudoku Assistant

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