#%-,,,,,,,                                          ,,,,,,,-%#
#¶$^^^~,,,                                          ,,,~^^^$¶#
#¶$%---,,,                                          ,,,---%$¶#
¶$$%^---~,                                          ,~---^%$$¶
##¶#$%^-~,                                          ,~-^%$#¶##
##¶#$%^-~,                                     ,    ,~-^%$#¶##
¶#$$^-,,,,                                        , ,,,,-^$$#¶
¶#$^~,,,,,                                    , ~,  ,,,,,~^$#¶
#¶¶#$%^-~, gull call.                    ,      , ~ ,~-^%$#¶¶#
###$$%^-~, ---------------------------------------- ,~-^%$$###
¶$%^~,,,,,                                          ,,,,,~^%$¶
##¶#$%^-~, the seagull is  a  metaphysics  trick; a ,~-^%$#¶##
#%--~,,,,, 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.)                 ,,,~~^^%%#
##¶#$%^-~,                                          ,~-^%$#¶##
##¶#$%^-~,                                          ,~-^%$#¶##
##%^-~,,,,                                          ,,,,~-^%##
##¶#$%^-~,                                          ,~-^%$#¶##
##¶#$%^-~,                                          ,~-^%$#¶##