> 3 contour
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> 6 contour
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> 9 contour
-100.332	17.9092	9
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-100.183	17.9057	9
-100.165	17.8956	9
-100.082	17.8992	9
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-99.8928	17.8557	9
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-99.7488	17.8108	9
-99.7416	17.8057	9
-99.6938	17.7557	9
-99.6655	17.7204	9
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-99.6462	17.6557	9
-99.6655	17.6361	9
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-99.7488	16.9417	9
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-100.082	16.8301	9
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-100.671	17.5057	9
-100.665	17.5138	9
-100.6	17.5557	9
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> 12 contour
-100.165	17.769	12
-100.082	17.7637	12
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-99.7488	17.5743	12
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-99.7026	17.3557	12
-99.6925	17.3057	12
-99.7488	17.286	12
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-100.499	17.3156	12
-100.56	17.3557	12
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> 15 contour
-100.082	17.7101	15
-100.076	17.7057	15
-100	17.6557	15
-99.9988	17.6554	15
-99.9155	17.6073	15
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-100.2	17.6557	15
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-100.082	17.7101	15
> 18 contour
-100.165	17.5512	18
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-100.415	17.2611	18
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-100.174	17.4557	18
-100.204	17.5057	18
-100.165	17.5512	18