Langer's Sudoku Assistant

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

 

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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