Langer's Sudoku Assistant

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