> 0.5 contour -Z0.5
-175.1841	51.5262305112	0.5
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-174.750630472	51.2003	0.5
-174.7591	51.1830127749	0.5
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> 1 contour -Z1
-175.2591	51.407419483	1
-175.2341	51.4135593997	1
-175.2091	51.4175688478	1
-175.1841	51.4198233959	1
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-175.1591	51.10524843	1
-175.1841	51.1059787635	1
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-175.2341	51.1122861942	1
-175.2591	51.1184694897	1
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-175.3841	51.1948639922	1
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-175.402331703	51.22534	1
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-175.402519635	51.30046	1
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-175.333374413	51.37558	1
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> 1.5 contour -Z1.5
-175.1591	51.3760540411	1.5
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-175.1341	51.375009123	1.5
-175.1091	51.3721388736	1.5
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-175.0091	51.2003200642	1.5
-175.009118334	51.2003	1.5
-175.0341	51.1812402207	1.5
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-175.168221605	51.15022	1.5
-175.1841	51.1507938686	1.5
-175.2091	51.1536802903	1.5
-175.2341	51.1591666481	1.5
-175.2591	51.1682450656	1.5
-175.272945954	51.17526	1.5
-175.2841	51.1812442565	1.5
-175.309089505	51.2003	1.5
-175.3091	51.2003114766	1.5
-175.329455805	51.22534	1.5
-175.3341	51.2386246312	1.5
-175.338618998	51.25038	1.5
-175.338671104	51.27542	1.5
-175.3341	51.2874202672	1.5
-175.329583409	51.30046	1.5
-175.309309077	51.3255	1.5
-175.3091	51.3256826871	1.5
-175.2841	51.3446842006	1.5
-175.273160586	51.35054	1.5
-175.2591	51.3576450026	1.5
-175.2341	51.3666789377	1.5
-175.2091	51.3721377618	1.5
-175.1841	51.3750097513	1.5
-175.168242886	51.37558	1.5
-175.1591	51.3760540411	1.5
> 2 contour -Z2
-175.2341	51.3372221736	2
-175.2091	51.3451129807	2
-175.1841	51.3490692013	2
-175.1591	51.3502561014	2
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-175.0841	51.3372250125	2
-175.062041347	51.3255	2
-175.0591	51.3236231393	2
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-175.020601272	51.27542	2
-175.020637594	51.25038	2
-175.033492618	51.22534	2
-175.0341	51.224692222	2
-175.0591	51.2022623824	2
-175.062172418	51.2003	2
-175.0841	51.1886234398	2
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-175.1341	51.1767360698	2
-175.1591	51.1755438124	2
-175.1841	51.1767352225	2
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-175.2341	51.1886262961	2
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-175.2591	51.2022567562	2
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-175.284810455	51.30046	2
-175.2841	51.3012180523	2
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> 2.5 contour -Z2.5
-175.1841	51.3310289362	2.5
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-175.1341	51.3310275376	2.5
-175.112657866	51.3255	2.5
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-175.11273514	51.2003	2.5
-175.1341	51.1947788329	2.5
-175.1591	51.1927468024	2.5
-175.1841	51.1947774091	2.5
-175.205458622	51.2003	2.5
-175.2091	51.2011621631	2.5
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-175.2341	51.3137506078	2.5
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> 3 contour -Z3
-175.2091	51.308135716	3
-175.1841	51.315964919	3
-175.1591	51.3182614305	3
-175.1341	51.3159633073	3
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-175.07349551	51.25038	3
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> 3.5 contour -Z3.5
-175.1841	51.3022161486	3.5
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-175.1341	51.3022139429	3.5
-175.129288251	51.30046	3.5
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-175.2091	51.289379287	3.5
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> 4 contour -Z4
-175.1841	51.2826553766	4
-175.1591	51.2878886232	4
-175.1341	51.2826516295	4
-175.121064455	51.27542	4
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-175.1841	51.2826553766	4