...,»^%$§#                                          #§$%^»,...
..,»^%$§#@                                          @#§$%^»,..
.,»^%$§#@#                                          #@#§$%^»,.
..,»^%$§#@                                          @#§$%^»,..
...,»^%$§#                                          #§$%^»,...
....,»^%$§                                     .    §$%^»,....
.....,»^%$                                        . $%^»,.....
......,»^%                                    . ,.  %^»,......
.......,»^ gull call.                    .      . , ^»,.......
........,» »»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»» »,........
.........,                                          ,.........
........,» the seagull is  a  metaphysics  trick; a »,........
.......,»^ world-builder's  shortcut,  to  define a ^»,.......
......,»^% section  of  reality and imply its size: %^»,......
.....,»^%$ 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.)                 §$%^»,....
.....,»^%$                                          $%^»,.....
......,»^%                                          %^»,......
.......,»^                                          ^»,.......
........,»                                          »,........
.........,                                          ,.........