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