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