«.........                                          .........«
..........                                          ..........
..........                                          ..........
..........                                          ..........
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/«........                                     .    ........«/
$/«.......                                        . .......«/$
£$/«......                                    . ..  ......«/$£
@£$/«..... gull call.                    .      . . .....«/$£@
@@£$/«.... «««««««««««««««««««««««««««««««««««««««« ....«/$£@@
#@@£$/«...                                          ...«/$£@@#
##@@£$/«.. the  seagull is  a metaphysics trick;  a ..«/$£@@##
#@@£$/«... world-builder's  shortcut,  to define  a ...«/$£@@#
@@£$/«.... section of  reality and imply  its size: ....«/$£@@
@£$/«..... place a flock of birds  at the edge  and .....«/$£@
£$/«...... make  their  calls  tesselate  over  the ......«/$£
$/«....... entire volume                            .......«/$
/«........                                          ........«/
«......... 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.)                 ..........
«.........                                          .........«
/«........                                          ........«/
$/«.......                                          .......«/$
£$/«......                                          ......«/$£
@£$/«.....                                          .....«/$£@