......=^@#                                          #@^=......
.=†^@#¶###                                          ###¶#@^†=.
.^=†^@#¶##                                          ##¶#@^†=^.
.^=†^@#¶##                                          ##¶#@^†=^.
.....^††^#                                          #^††^.....
.^=†^@#¶##                                     .    ##¶#@^†=^.
.^=†^@¶###                                        . ###¶@^†=^.
.^=†^@#¶##                                    . ^.  ##¶#@^†=^.
.=†^@#¶### 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.)                 ##¶#@^†=^.
.^=†^@#¶##                                          ##¶#@^†=^.
.^=†^@#¶##                                          ##¶#@^†=^.
.^=†^@#¶##                                          ##¶#@^†=^.
.^=†^@@#¶¶                                          ¶¶#@@^†=^.
.^=†^@#¶##                                          ##¶#@^†=^.