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