,,,,:=^&&@                                          @&&^=:,,,,
,,,:=^&&@#                                          #@&&^=:,,,
,,:=^&&@##                                          ##@&&^=:,,
,:=^&&@###                                          ###@&&^=:,
,,:=^&&@##                                          ##@&&^=:,,
,,,:=^&&@#                                     ,    #@&&^=:,,,
,,,,:=^&&@                                        , @&&^=:,,,,
,,,,,:=^&&                                    , :,  &&^=:,,,,,
,,,,,,:=^& 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.)                 &&^=:,,,,,
,,,,:=^&&@                                          @&&^=:,,,,
,,,:=^&&@#                                          #@&&^=:,,,
,,:=^&&@##                                          ##@&&^=:,,
,:=^&&@###                                          ###@&&^=:,
,,:=^&&@##                                          ##@&&^=:,,