> 0.9 contour -Z0.9
-169.6568	52.8619662396	0.9
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> 1.8 contour -Z1.8
-169.8568	52.7912879261	1.8
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-169.8068	52.799872886	1.8
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-169.9068	52.7602989504	1.8
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-169.8818	52.7799794058	1.8
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> 2.7 contour -Z2.7
-169.8318	52.7682630006	2.7
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-169.872432509	52.7404561644	2.7
-169.8568	52.7539816642	2.7
-169.837454896	52.765360274	2.7
-169.8318	52.7682630006	2.7
> 3.6 contour -Z3.6
-169.8318	52.7437727385	3.6
-169.8068	52.7566812388	3.6
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-169.855299585	52.7155520548	3.6
-169.836447684	52.7404561644	3.6
-169.8318	52.7437727385	3.6
> 4.5 contour -Z4.5
-169.7818	52.748575129	4.5
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-169.7318	52.74618752	4.5
-169.709509425	52.7404561644	4.5
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-169.681746172	52.7155520548	4.5
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-169.709554231	52.6657438356	4.5
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> 5.4 contour -Z5.4
-169.8068	52.7200071311	5.4
-169.7818	52.7343970151	5.4
-169.7568	52.7383056477	5.4
-169.7318	52.7343955666	5.4
-169.7068	52.7200032641	5.4
-169.702068339	52.7155520548	5.4
-169.702083475	52.6906479452	5.4
-169.7068	52.6862118163	5.4
-169.7318	52.6718091925	5.4
-169.7568	52.6678936558	5.4
-169.7818	52.6718077324	5.4
-169.8068	52.6862079602	5.4
-169.81152089	52.6906479452	5.4
-169.811536039	52.7155520548	5.4
-169.8068	52.7200071311	5.4
> 6.3 contour -Z6.3
-169.7818	52.7200453746	6.3
-169.7568	52.7252720832	6.3
-169.7318	52.7200434309	6.3
-169.724556166	52.7155520548	6.3
-169.724564325	52.6906479452	6.3
-169.7318	52.6861600662	6.3
-169.7568	52.6809274769	6.3
-169.7818	52.6861581198	6.3
-169.78903953	52.6906479452	6.3
-169.789047695	52.7155520548	6.3
-169.7818	52.7200453746	6.3