...#..###.                                          ...#.###..
..##.#..#.                                          ..###..#..
.#.###.###                                          .#..#.##..
###..##...                                          ##.###.#..
..#.#.#...                                          .##..###.#
.######..#                                     .    #.#.#..###
#.....#.##                                        . #####.#..#
#....###..                                    . ^.  ....###.#.
#...#..#.. 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.)                 ..####.###
#####...##                                          .#...##...
....#..#.#                                          ##..#.#..#
...##.###.                                          .#.####.##
..#.##..#.                                          ###...##.#
.###.#.###                                          ..#..#.###