###@§%=~,.                                          .,~=%§@###
###§%==~,.                                          .,~==%§###
##@§%==~,.                                          .,~==%§@##
@§§=~.....                                          .....~=§§@
###@%==~,.                                          .,~==%@###
##@§%==~,.                                     .    .,~==%§@##
@§====,...                                        . ...,====§@
@§%%==,,..                                    . ,.  ..,,==%%§@
@§§§%==~,. 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.)                 .,~==%§###
##@§%==~,.                                          .,~==%§@##
§===,,....                                          ....,,===§
§§%===~~,.                                          .,~~===%§§
#§=~~~~,,.                                          .,,~~~~=§#
##@§%==~,.                                          .,~==%§@##