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