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