> 5 contour
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> 10 contour
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> 15 contour
-70.9352	-26.7425	15
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-71.0317	-27.1538	15
-71.0766	-27.1038	15
-71.0867	-27.0538	15
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-71.1019	-26.9921	15
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-71.0185	-26.7995	15
-70.9534	-26.7538	15
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> 20 contour
-70.7685	-26.8196	20
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-71.0186	-27.0038	20
-71.0185	-27.0036	20
-71.0091	-26.9538	20
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-70.8357	-26.8538	20
-70.7685	-26.8196	20
> 25 contour
-70.7685	-26.8597	25
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-70.6493	-26.9538	25
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-70.6852	-27.0907	25
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-70.7685	-27.1186	25
-70.8389	-27.1038	25
-70.8493	-27.0538	25
-70.8519	-27.0513	25
-70.9352	-27.033	25
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-70.9533	-26.9538	25
-70.9352	-26.9315	25
-70.8519	-26.9221	25
-70.8141	-26.9038	25
-70.7685	-26.8597	25
> 30 contour
-70.7685	-26.9169	30
-70.7026	-26.9538	30
-70.7083	-27.0038	30
-70.7194	-27.0538	30
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-70.8462	-27.0038	30
-70.8422	-26.9538	30
-70.7685	-26.9169	30