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,,^«=%$£## gull call.                    ,      , ^ ##£$%=«^,,
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,,^«=%$£##                                          ##£$%=«^,,
,,,^«=%$£# the  seagull  is a metaphysics trick;  a #£$%=«^,,,
,,^«=%$£## world-builder's  shortcut,  to  define a ##£$%=«^,,
,^«=%$£### section of reality and imply  its  size: ###£$%=«^,
,,^«=%$£## place  a flock of birds at the edge  and ##£$%=«^,,
,,,^«=%$£# make  their  calls  tesselate  over  the #£$%=«^,,,
,,^«=%$£## entire volume                            ##£$%=«^,,
,^«=%$£###                                          ###£$%=«^,
,,^«=%$£## a  seagull can be defined  by as  little ##£$%=«^,,
,,,^«=%$£# as  five  vertices;  six  triangles.  (i #£$%=«^,,,
,,^«=%$£## would  recommend  handling in swarms  of ##£$%=«^,,
,^«=%$£### at least a dozen birds.)                 ###£$%=«^,
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