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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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