###@¤††~-. .-~††¤@###
@£†~~-.... ....-~~†£@
#@¤£†~-... ...-~†£¤@#
¤††-...... ......-††¤
¤†~---.... ....---~†¤
##@¤£††~-. . .-~††£¤@##
#@@¤£††~-. . .-~††£¤@@#
¤††~-..... . -. .....-~††¤
¤¤†~--.... 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.) ....-††††¤
@¤£††--... ...--††£¤@
#¤††-..... .....-††¤#
@£†--..... .....--†£@
#¤††~~.... ....~~††¤#
@¤¤†††~~-. .-~~†††¤¤@