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......,-†*                                     .    *†-,......
.......,-†                                        . †-,.......
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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.)                 #£*†-,....
...,-†*£##                                          ##£*†-,...
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