> 4 contour
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> 8 contour
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> 12 contour
-175.568	-25.8755	12
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> 16 contour
-175.651	-25.956	16
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-175.651	-26.2077	16
-175.698	-26.1779	16
-175.734	-26.1286	16
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-175.75	-26.0779	16
-175.734	-26.0352	16
-175.73	-26.0279	16
-175.687	-25.9779	16
-175.651	-25.956	16
> 20 contour
-175.568	-25.9807	20
-175.508	-26.0279	20
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-175.479	-26.0779	20
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-175.628	-26.1279	20
-175.651	-26.1119	20
-175.683	-26.0779	20
-175.651	-26.0471	20
-175.62	-26.0279	20
-175.568	-25.9807	20