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