...~-:†%@#                                          #@%†:-~...
....~-:†%@                                          @%†:-~....
.....~-:†%                                          %†:-~.....
....~-:†%@                                          @%†:-~....
...~-:†%@#                                          #@%†:-~...
..~-:†%@##                                     .    ##@%†:-~..
.~-:†%@###                                        . ###@%†:-~.
..~-:†%@##                                    . ~.  ##@%†:-~..
...~-:†%@# 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.)                 ##@%†:-~..
.~-:†%@###                                          ###@%†:-~.
..~-:†%@##                                          ##@%†:-~..
...~-:†%@#                                          #@%†:-~...
....~-:†%@                                          @%†:-~....
.....~-:†%                                          %†:-~.....