.....~=%¤¤ ¤¤%=~.....
.....~=%@@ @@%=~.....
.^~==%¤@@@ @@@¤%==~^.
......^==¤ ¤==^......
.....~=%%¤ ¤%%=~.....
.^~==%¤@@# . #@@¤%==~^.
....~==%¤@ . @¤%==~....
.^~==%¤@@# . ^. #@@¤%==~^.
..^^~~==%@ 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.) ¤¤%=~.....
..^^====¤@ @¤====^^..
......^=%¤ ¤%=^......
...~==%¤¤@ @¤¤%==~...
.^~==%¤@@# #@@¤%==~^.
...^~~=%%¤ ¤%%=~~^...