##¶§%%/~,.                                          .,~/%%§¶##
#¶§%%/~,..                                          ..,~/%%§¶#
¶§%%/~,...                                          ...,~/%%§¶
§%%/~,....                                          ....,~/%%§
%%/~,.....                                          .....,~/%%
%/~,......                                     .    ......,~/%
/~,.......                                        . .......,~/
~,........                                    . ,.  ........,~
,......... 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.)                 ....,~/%%§
%%/~,.....                                          .....,~/%%
%/~,......                                          ......,~/%
/~,.......                                          .......,~/
~,........                                          ........,~
,.........                                          .........,