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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 ......^~:%
$%:~^..... WOULD  RECOMMEND  HANDLING IN SWARMS  OF .....^~:%$
£$%:~^.... AT LEAST A DOZEN BIRDS.)                 ....^~:%$£
#£$%:~^...                                          ...^~:%$£#
##£$%:~^..                                          ..^~:%$£##
###£$%:~^.                                          .^~:%$£###
##£$%:~^..                                          ..^~:%$£##
#£$%:~^...                                          ...^~:%$£#