#@#@&**~^¨                                          ¨^~**&@#@#
@&*~~~~~^¨                                          ¨^~~~~~*&@
#@#@&**~^¨                                          ¨^~**&@#@#
#@#@&**~^¨                                          ¨^~**&@#@#
###@&**~^¨                                          ¨^~**&@###
##@#@**~^¨                                     ¨    ¨^~**@#@##
@&*~~~^^^¨                                        ¨ ¨^^^~~~*&@
@&**^¨¨¨¨¨                                    ¨ ^¨  ¨¨¨¨¨^**&@
#@#@&**~^¨ 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.)                 ¨¨¨¨¨^~*@@
@&*~¨¨¨¨¨¨                                          ¨¨¨¨¨¨~*&@
##&*~¨¨¨¨¨                                          ¨¨¨¨¨~*&##
###@&**~^¨                                          ¨^~**&@###
#&*~¨¨¨¨¨¨                                          ¨¨¨¨¨¨~*&#
###@&**~^¨                                          ¨^~**&@###