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