.....«=§£@                                          @£§=«.....
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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.)                 £§=«......
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...«=§£@£@                                          @£@£§=«...
..«=§£@£@#                                          #@£@£§=«..
...«=§£@£@                                          @£@£§=«...