,,,,,,~%&&                                          &&%~,,,,,,
,~~/%$&###                                          ###&$%/~~,
,,,,~/%$##                                          ##$%/~,,,,
,,,,,~~/%&                                          &%/~~,,,,,
,~~/%$&###                                          ###&$%/~~,
,~~/%$&&&#                                     ,    #&&&$%/~~,
,~~/%$&###                                        , ###&$%/~~,
,,,,,,~%&&                                    , ~,  &&%~,,,,,,
,~~/%$&### gull call.                    ,      , ~ ###&$%/~~,
,~~/%$&### ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ###&$%/~~,
,~~/%$&###                                          ###&$%/~~,
,~~/%$&### the seagull is  a metaphysics  trick;  a ###&$%/~~,
,~~/%$&### world-builder's shortcut,  to  define  a ###&$%/~~,
,,,,,,~/%& 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 ####&%/~~,
,~~/%$&### at least a dozen birds.)                 ###&$%/~~,
,~~~///%%&                                          &%%///~~~,
,~~/%$&###                                          ###&$%/~~,
,,,~~/%$##                                          ##$%/~~,,,
,~~/%$$$##                                          ##$$$%/~~,
,,,,~%%%&&                                          &&%%%~,,,,