> 1 contour -Z1
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> 2 contour -Z2
-175.2514	51.6499700297	2
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-175.2014	51.6585567451	2
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-175.2514	51.6499700297	2
> 3 contour -Z3
-175.2264	51.6225846177	3
-175.2014	51.6271896766	3
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-175.2014	51.4374124719	3
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-175.317157385	51.49498	3
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-175.327530684	51.51986	3
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-175.291992733	51.5945	3
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> 4 contour -Z4
-175.2264	51.6023722149	4
-175.2014	51.6078734658	4
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-175.1514	51.6078732533	4
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> 5 contour -Z5
-175.2514	51.5727729494	5
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-175.2014	51.5924315198	5
-175.1764	51.5941661133	5
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-175.273770472	51.54474	5
-175.255639136	51.56962	5
-175.2514	51.5727729494	5
> 6 contour -Z6
-175.2264	51.5722900221	6
-175.2014	51.5812215329	6
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-175.1514	51.5812212075	6
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-175.2014	51.4833836929	6
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-175.2514	51.5497900173	6
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> 7 contour -Z7
-175.2014	51.570011546	7
-175.1764	51.5734476615	7
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-175.150366555	51.56962	7
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-175.1514	51.4945965352	7
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-175.2014	51.4945961056	7
-175.202412897	51.49498	7
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-175.238768153	51.51986	7
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-175.2264	51.5568933883	7
-175.202434603	51.56962	7
-175.2014	51.570011546	7
> 8 contour -Z8
-175.2014	51.5580108515	8
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> 9 contour -Z9
-175.2014	51.5459815392	9
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-175.2014	51.5459815392	9