> 0.8 contour -Z0.8
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> 1.6 contour -Z1.6
-169.2513	52.7148939902	1.6
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> 2.4 contour -Z2.4
-169.3013	52.6739990028	2.4
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> 3.2 contour -Z3.2
-169.2513	52.6665644901	3.2
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-169.259191327	52.6645630137	3.2
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> 4 contour -Z4
-169.2763	52.6447434724	4
-169.2513	52.6528846299	4
-169.2263	52.6552436067	4
-169.2013	52.6528828597	4
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-169.309851015	52.6146726027	4
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> 4.8 contour -Z4.8
-169.2513	52.6398595192	4.8
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-169.2013	52.6398570172	4.8
-169.200645605	52.6396178082	4.8
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> 5.6 contour -Z5.6
-169.2513	52.626604933	5.6
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-169.2013	52.6266014363	5.6
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