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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 .....-~==&
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#£¤&==~-.. would recommend handling in swarms of ..-~==&¤£#
£¤&==~-... at least a dozen birds.) ...-~==&¤£
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