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