Since Dan and Raul seem to have given up the quest for fewer characters,
here's 21:

   v;._1 ' Spoiler follows ....... .......'
S p o i l e r 
 S p o i l e  
  S p o i l   
   S p o i    
    S p o     
     S p      
      S       

f o l l o w s 
 f o l l o w  
  f o l l o   
   f o l l    
    f o l     
     f o      
      f       

. . . . . . . 
 . . . . . .  
  . . . . .   
   . . . .    
    . . .     
     . .      
      .       

. . . . . . . 
 . . . . . .  
  . . . . .   
   . . . .    
    . . .     
     . .      
      .       



   v =. -@i.@# |."_1 [:|.1j1&#\
   # '-@i.@#|."_1[:|.1j1&#\'
21

Marshall

On Tue, Apr 12, 2016 at 09:56:43AM -0400, Jose Mario Quintana wrote:
> v=. ...  NB. J Incantation...
> 
>    v'ABRACADABRA'
> A B R A C A D A B R A
>  A B R A C A D A B R
>   A B R A C A D A B
>    A B R A C A D A
>     A B R A C A D
>      A B R A C A
>       A B R A C
>        A B R A
>         A B R
>          A B
>           A
> 
>    v'I create as I speak'
> I   c r e a t e   a s   I   s p e a k
>  I   c r e a t e   a s   I   s p e a
>   I   c r e a t e   a s   I   s p e
>    I   c r e a t e   a s   I   s p
>     I   c r e a t e   a s   I   s
>      I   c r e a t e   a s   I
>       I   c r e a t e   a s   I
>        I   c r e a t e   a s
>         I   c r e a t e   a s
>          I   c r e a t e   a
>           I   c r e a t e
>            I   c r e a t e
>             I   c r e a t
>              I   c r e a
>               I   c r e
>                I   c r
>                 I   c
>                  I
>                   I
> 
> David Darling
> The Universal Book of Mathematics: From Abracadabra to Zeno's Paradoxes
> http://www.amazon.com/The-Universal-Book-Mathematics-Abracadabra/dp/0471270474
> 
> abracadabra
> 
> A word famously used by magicians but which started
> out as a cabalistic or mystical charm for curing various
> ailments, including toothache and fever. It was first mentioned
> in a poem called Praecepta de Medicina by the
> Gnostic physician Quintus Severus Sammonicus in the
> second century A.D. Sammonicus instructed that the letters
> be written on parchment in the form of a triangle:
> 
>             A B R A C A D A B R A
>              A B R A C A D A B R
>               A B R A C A D A B
>                A B R A C A D A
>                 A B R A C A D
>                  A B R A C A
>                   A B R A C
>                    A B R A
>                     A B R
>                      A B
>                       A
> 
> This was to be folded into the shape of a cross, worn for
> nine days suspended from the neck, and, before sunrise,
> cast behind the patient into a stream running eastward. It
> was also a popular remedy in the Middle Ages. During
> the Great Plague, around 1665, large numbers of these
> amulets were worn as safeguards against infection. The
> origin of the word itself is uncertain. One theory is that it
> is based on Abrasax, the name of an Egyptian deity.
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm

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