.-~:=%&###                                          ###&%=:~-.
.-~:=%&###                                          ###&%=:~-.
....~:=&&#                                          #&&=:~....
.......~=&                                          &=~.......
.-~:%&####                                          ####&%:~-.
.-~:=%&###                                     .    ###&%=:~-.
.....~=&&#                                        . #&&=~.....
......-:%#                                    . -.  #%:-......
.-~:=%&### 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.)                 ###&%=:~-.
....--~:%&                                          &%:~--....
......~==&                                          &==~......
.-~:=%&###                                          ###&%=:~-.
.-~:=%&###                                          ###&%=:~-.
.-~:=%&###                                          ###&%=:~-.