¨.«=$%#£##                                          ##£#%$=«.¨
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¨.«=$$$%## gull call.                    ¨      ¨ . ##%$$$=«.¨
¨.«=$%#£## «««««««««««««««««««««««««««««««««««««««« ##£#%$=«.¨
¨.«=$%#£##                                          ##£#%$=«.¨
¨¨...=$$## the seagull is  a metaphysics  trick;  a ##$$=...¨¨
¨.«=$%£### world-builder's  shortcut, to  define  a ###£%$=«.¨
¨.«=$%#### section of reality and  imply its  size: ####%$=«.¨
¨.«=$%#£## place a flock  of birds at the  edge and ##£#%$=«.¨
¨.«=$%#£## make  their  calls  tesselate  over  the ##£#%$=«.¨
¨.«=$%#£## entire volume                            ##£#%$=«.¨
¨.«=$%####                                          ####%$=«.¨
¨.«=$%#££# a  seagull can be  defined by  as little #££#%$=«.¨
¨.«=$%#### as  five  vertices;  six  triangles.  (i ####%$=«.¨
¨.«=$%#### would recommend  handling  in swarms  of ####%$=«.¨
¨¨¨.«=$$## at least a dozen birds.)                 ##$$=«.¨¨¨
¨.«=$%#£##                                          ##£#%$=«.¨
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¨¨¨¨¨«=$$#                                          #$$=«¨¨¨¨¨