> 4 contour
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> 8 contour
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> 12 contour
-174.273	-20.3167	12
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> 16 contour
-174.356	-20.4091	16
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-174.1	-20.5752	16
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-174.451	-20.4752	16
-174.439	-20.4623	16
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> 20 contour
-174.273	-20.4473	20
-174.218	-20.4752	20
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-174.191	-20.6252	20
-174.273	-20.675	20
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-174.427	-20.5752	20
-174.415	-20.5252	20
-174.356	-20.4838	20
-174.335	-20.4752	20
-174.273	-20.4473	20
> 24 contour
-174.273	-20.4863	24
-174.216	-20.5252	24
-174.205	-20.5752	24
-174.232	-20.6252	24
-174.273	-20.6503	24
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-174.356	-20.5893	24
-174.368	-20.5752	24
-174.356	-20.5454	24
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-174.273	-20.4863	24
> 28 contour
-174.273	-20.5098	28
-174.25	-20.5252	28
-174.244	-20.5752	28
-174.272	-20.6252	28
-174.273	-20.6256	28
-174.274	-20.6252	28
-174.312	-20.5752	28
-174.303	-20.5252	28
-174.273	-20.5098	28