###@&$\~.. ..~\$&@###
##@&$\~... ...~\$&@##
#@&$\~.... ....~\$&@#
##@&$\~... ...~\$&@##
###@&$\~.. ..~\$&@###
##@&$\~... . ...~\$&@##
#@&$\~.... . ....~\$&@#
##@&$\~... . .. ...~\$&@##
###@&$\~.. gull call. . . . ..~\$&@###
##@&$\~... ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ...~\$&@##
#@&$\~.... ....~\$&@#
##@&$\~... 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.) ...~\$&@##
#@&$\~.... ....~\$&@#
##@&$\~... ...~\$&@##
###@&$\~.. ..~\$&@###
##@&$\~... ...~\$&@##
#@&$\~.... ....~\$&@#