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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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