Raul wrote:
> If it's a puzzle, ... my first implementation of v had 30=#5!:5<‘v’ 
> and used a proverb.

Mine had 32 (necessary) chars, was tacit, and used only J primitives.  I’m sure 
it can be improved, it was fairly naive (given in the postscript after spoiler 
space).

-Dan

    v 'Don''t look down'
 D o n ' t   l o o k   d o w n
  D o n ' t   l o o k   d o w 
   D o n ' t   l o o k   d o  
    D o n ' t   l o o k   d   
     D o n ' t   l o o k      
      D o n ' t   l o o k     
       D o n ' t   l o o      
        D o n ' t   l o       
         D o n ' t   l        
          D o n ' t           
           D o n ' t          
            D o n '           
             D o n            
              D o             
               D     








v  =:  [: (|."_1/~ i.@#) (1j1 # ])\.&.(|."1)


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