.-~†%£§@##                                          ##@§£%†~-.
..-~†%£§@#                                          #@§£%†~-..
...-~†%£§@                                          @§£%†~-...
....-~†%£§                                          §£%†~-....
.....-~†%£                                          £%†~-.....
......-~†%                                     .    %†~-......
.......-~†                                        . †~-.......
........-~                                    . -.  ~-........
.........- 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.)                 #@§£%†~-..
...-~†%£§@                                          @§£%†~-...
....-~†%£§                                          §£%†~-....
.....-~†%£                                          £%†~-.....
......-~†%                                          %†~-......
.......-~†                                          †~-.......