beginfig(1);
u =         0.0083333333 cm;
draw 
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draw fullcircle
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draw fullcircle
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draw fullcircle
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draw fullcircle
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draw fullcircle
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draw fullcircle
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draw fullcircle
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draw fullcircle
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draw fullcircle
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draw fullcircle
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draw fullcircle
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draw fullcircle
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draw fullcircle
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draw fullcircle
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draw fullcircle
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draw fullcircle
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draw fullcircle
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draw fullcircle
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draw fullcircle
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draw fullcircle
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draw fullcircle
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draw fullcircle
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endfig;
end;