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