,,,#,,,,,#                                          ,,,,,,,,,,
##,,,###,,                                          ##########
#,,#,,#,,#                                          ##########
,,,,,,,,,,                                          ##########
,#########                                          ,########,
,,########                                     ,    ,,######,,
#,,#######                                        , ,,,####,,#
,,,,######                                    , ,,  ##,,##,,,,
###,,##### 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.)                 ,,##,,##,,
,##,,####,                                          ,,,,,,,,,,
,,,,,,##,,                                          ##########
,####,,,,,                                          ,########,
,,##,,####                                          ,,######,,
#,,,,,,##,                                          ,,,####,,#