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