....#####. #....#..##
.##..###.. ..##......
......#..# #....#####
.####..... ..##..###.
..##..###. .......#..
#......#.. . ######...#
..####.... . #####..#..
#..##..### . :. ####.....#
........#. 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.) ..###.....
..##..#### #..#..####
.......### .......##.
######..## .#####....
.####....# ..###..##.
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