#§::-..... .....-::§#
##@#¤§:~-. .-~:§¤#@##
###§§~.... ....~§§###
##@#¤§:~-. .-~:§¤#@##
##@#¤§:~-. .-~:§¤#@##
#§:-...... . ......-:§#
@¤::~..... . .....~::¤@
##@#¤§:~-. . -. .-~:§¤#@##
####¤§:~-. 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.) .-~:::§###
#§::--.... ....--::§#
###@¤§:~-. .-~:§¤@###
@@¤:-..... .....-:¤@@
##@#¤§:~-. .-~:§¤#@##
##@#¤§:~-. .-~:§¤#@##