> 0.8 contour -Z0.8
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> 1.6 contour -Z1.6
-178.7663	51.3197038898	1.6
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-178.7413	51.3187845138	1.6
-178.7163	51.3159626655	1.6
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-178.7663	51.3197038898	1.6
> 2.4 contour -Z2.4
-178.8413	51.2768669766	2.4
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-178.8413	51.2768669766	2.4
> 3.2 contour -Z3.2
-178.7913	51.2703731429	3.2
-178.7663	51.2727131663	3.2
-178.7413	51.2703746616	3.2
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-178.8413	51.2523003074	3.2
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> 4 contour -Z4
-178.8163	51.247960521	4
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-178.7663	51.2593718473	4
-178.7413	51.2568177543	4
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-178.822528999	51.16908	4
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> 4.8 contour -Z4.8
-178.7663	51.247170162	4.8
-178.746135232	51.24432	4.8
-178.7413	51.2435543345	4.8
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-178.8163	51.230012195	4.8
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> 5.6 contour -Z5.6
-178.7913	51.229881123	5.6
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-178.7413	51.229884446	5.6
-178.724957452	51.21924	5.6
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-178.7913	51.229881123	5.6