.##.##.##.                                          ##.##...#.
#.##.##.##                                          .##.#..##.
##.##.##.#                                          #.###.#.##
.##.##.###                                          ##..####..
#.##.##...                                          .#.#...#..
##.##.#...                                     .    ####..##.#
.##.###...                                        . ...#.#.##.
#.##..#...                                    . ,.  ..#####.#.
##.#.##..# 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.)                 .###...#..
.###...#.#                                          #..#..##.#
#..#..####                                          #.##.#.###
#.##.#....                                          ##.####...
##.###...#                                          .##...#..#
.##..#..##                                          #.#..##.#.