,@@,@@,,@,                                          @,,@,@,@,@
,,@,,@,@@,                                          @,@@,@,@,@
,@@,@@,,@,                                          @,,@,@,@,@
,,@,,@,@@,                                          @,@@,@,@,@
,@@,@@,,@,                                          @,,@,@,@,@
,,@,,@,@@,                                     ,    @,@@,@,@,@
,@@,@@,,@,                                        , @,,@,@,@,@
,,@,,@,@@,                                    , ^,  @,@@,@,@,@
,@@,@@,,@, 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.)                 @,@@,@,@,@
,@@,@@,,@,                                          @,,@,@,@,@
,,@,,@,@@,                                          @,@@,@,@,@
,@@,@@,,@,                                          @,,@,@,@,@
,,@,,@,@@,                                          @,@@,@,@,@
,@@,@@,,@,                                          @,,@,@,@,@