#.#.##....                                          ##.##..#.#
#...###...                                          .#.###...#
##..#.##..                                          ...#.##..#
.##...###.                                          .....###.#
.###..#.##                                          .....#.#..
.#.##...##                                     .    #.......#.
...###..#.                                        . ##.......#
#..#.##...                                    . ..  ###.......
.#...###.. 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.)                 .....#.##.
....#.##..                                          #......###
#.....###.                                          ##.....#.#
##....#.##                                          .##......#
.##.....##                                          .###.....#
.###....#.                                          .#.##.....