> 0.1 contour
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> 0.1 contour
183.334	-19.6616	0.1
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183.426	-19.5783	0.1
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> 0.1 contour
183.676	-16.245	0.1
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> 0.1 contour
179.976	-15.9116	0.1
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> 0.12 contour
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