¨¨¨#¨#¨##¨                                          ¨#¨¨#####¨
¨¨¨#####¨#                                          ###¨#¨¨¨¨#
#¨¨#¨¨¨¨##                                          #¨¨###¨¨¨#
¨#¨##¨¨¨#¨                                          ##¨#¨¨#¨¨#
####¨#¨¨##                                          ¨¨###¨##¨#
¨¨¨¨###¨#¨                                     ¨    #¨#¨¨##¨##
#¨¨¨#¨¨###                                        ¨ ¨###¨#¨##¨
##¨¨##¨#¨¨                                    ¨ -¨  ¨#¨¨####¨#
¨¨#¨#¨###¨ 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.)                 ¨¨##¨¨#¨##
##¨#¨¨¨¨¨¨                                          #¨#¨#¨###¨
#¨###¨¨¨¨¨                                          #######¨¨#
¨##¨¨#¨¨¨¨                                          #¨¨¨¨¨¨#¨#
##¨#¨##¨¨¨                                          ##¨¨¨¨¨###
¨¨####¨#¨¨                                          #¨#¨¨¨¨#¨¨