####$*;=~. .~=;*$####
####$*;=~. .~=;*$####
####$*;=~. .~=;*$####
####$*;=~. .~=;*$####
#$$$*;;=~. .~=;;*$$$#
##**;~.... . ....~;**##
####$*;=~. . .~=;*$####
#$;~...... . ~. ......~;$#
##$*==.... gull call. . . ~ ....==*$##
####$*;=~. ======================================== .~=;*$####
####$*;=~. .~=;*$####
###*;~.... the seagull is a metaphysics trick; a ....~;*###
#*;~...... world-builder's shortcut, to define a ......~;*#
####$*;=~. section of reality and imply its size: .~=;*$####
####$*;=~. place a flock of birds at the edge and .~=;*$####
####$*;=~. make their calls tesselate over the .~=;*$####
#####$*;=~ entire volume ~=;*$#####
####$*;=~. .~=;*$####
####$*;=~. a seagull can be defined by as little .~=;*$####
####$*;=~. as five vertices; six triangles. (i .~=;*$####
##$$;===~. would recommend handling in swarms of .~===;$$##
##$**=~~.. at least a dozen birds.) ..~~=**$##
#$;;~..... .....~;;$#
#$**=..... .....=**$#
##$$;===~. .~===;$$##
####$*;=~. .~=;*$####
##$$$*;=~. .~=;*$$$##