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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                            £&%%^«:...
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.:«^%%&£## 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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