> 0.5 contour -Z0.5
-150.638	61.3128474734	0.5
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-150.598789057	61.3099862069	0.5
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-150.266058421	61.2850551724	0.5
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-150.213	61.2559122863	0.5
-150.188	61.2355440013	0.5
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-150.188	61.2245725602	0.5
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-150.188	61.1637481985	0.5
-150.185079713	61.1604	0.5
-150.188	61.1560054136	0.5
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-150.213	61.1343979142	0.5
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-150.145349798	61.110537931	0.5
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-150.133150466	61.0856068966	0.5
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-150.538	60.9976027487	0.5
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-150.688	61.021537563	0.5
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-150.719867455	61.0357448276	0.5
-150.738	61.0449518367	0.5
-150.762740767	61.0606758621	0.5
-150.763	61.0608689288	0.5
-150.788	61.0813681119	0.5
-150.792653529	61.0856068966	0.5
-150.812179495	61.110537931	0.5
-150.813	61.1123586331	0.5
-150.824000847	61.1354689655	0.5
-150.827827609	61.1604	0.5
-150.824289311	61.1853310345	0.5
-150.813	61.209558499	0.5
-150.812689834	61.210262069	0.5
-150.788	61.219962176	0.5
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-150.705565586	61.2601241379	0.5
-150.688	61.2696262673	0.5
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-150.649336028	61.2850551724	0.5
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-150.638	61.3128474734	0.5
> 1 contour -Z1
-150.563	61.2614207152	1
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-150.260966154	61.210262069	1
-150.252150301	61.1853310345	1
-150.255139502	61.1604	1
-150.263	61.142802768	1
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-150.634829188	61.0856068966	1
-150.638	61.0873771549	1
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-150.670323436	61.110537931	1
-150.688	61.1348184263	1
-150.688462445	61.1354689655	1
-150.694867094	61.1604	1
-150.688660141	61.1853310345	1
-150.688	61.1862666275	1
-150.670660309	61.210262069	1
-150.663	61.216573799	1
-150.638	61.233645446	1
-150.635225353	61.2351931034	1
-150.613	61.246260295	1
-150.588	61.2551264543	1
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> 1.5 contour -Z1.5
-150.513	61.2385017727	1.5
-150.488	61.2407222798	1.5
-150.463	61.2414459996	1.5
-150.438	61.2407228641	1.5
-150.413	61.2385011574	1.5
-150.391293815	61.2351931034	1.5
-150.388	61.2346141684	1.5
-150.363	61.2279320606	1.5
-150.338	61.2169442493	1.5
-150.32653566	61.210262069	1.5
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-150.299565216	61.1853310345	1.5
-150.291884297	61.1604	1.5
-150.306447467	61.1354689655	1.5
-150.313	61.122006963	1.5
-150.326748625	61.110537931	1.5
-150.338	61.1039728672	1.5
-150.363	61.0929383871	1.5
-150.388	61.0862227992	1.5
-150.391489563	61.0856068966	1.5
-150.413	61.0807597072	1.5
-150.438	61.0775951647	1.5
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-150.488	61.0775959915	1.5
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-150.534515934	61.0856068966	1.5
-150.538	61.0862217722	1.5
-150.563	61.0929418961	1.5
-150.588	61.1039700536	1.5
-150.599250079	61.110537931	1.5
-150.613	61.1220164979	1.5
-150.626318938	61.1354689655	1.5
-150.634119574	61.1604	1.5
-150.6264482	61.1853310345	1.5
-150.613	61.1989450459	1.5
-150.599462948	61.210262069	1.5
-150.588	61.2169470551	1.5
-150.563	61.2279285909	1.5
-150.538	61.2346151939	1.5
-150.534711705	61.2351931034	1.5
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> 2 contour -Z2
-150.538	61.2135256352	2
-150.513	61.2207709952	2
-150.488	61.2245749066	2
-150.463	61.2257523623	2
-150.438	61.2245758737	2
-150.413	61.2207698987	2
-150.388	61.2135237037	2
-150.380048419	61.210262069	2
-150.363	61.2020613524	2
-150.340791361	61.1853310345	2
-150.338	61.1787726694	2
-150.329978516	61.1604	2
-150.338	61.1421869037	2
-150.340883778	61.1354689655	2
-150.363	61.1188106948	2
-150.380174595	61.110537931	2
-150.388	61.1073213278	2
-150.413	61.1000490603	2
-150.438	61.0962290151	2
-150.463	61.0950481649	2
-150.488	61.0962299909	2
-150.513	61.1000479644	2
-150.538	61.1073194111	2
-150.545825652	61.110537931	2
-150.563	61.1188166954	2
-150.585119168	61.1354689655	2
-150.588	61.1421752634	2
-150.596022561	61.1604	2
-150.588	61.1787843029	2
-150.5852116	61.1853310345	2
-150.563	61.202055379	2
-150.545951793	61.210262069	2
-150.538	61.2135256352	2
> 2.5 contour -Z2.5
-150.463	61.2107267057	2.5
-150.456366082	61.210262069	2.5
-150.438	61.2092638132	2.5
-150.413	61.2046482583	2.5
-150.388	61.1949746868	2.5
-150.372440558	61.1853310345	2.5
-150.363	61.1686339065	2.5
-150.358670722	61.1604	2.5
-150.363	61.1522116196	2.5
-150.372513873	61.1354689655	2.5
-150.388	61.1258653933	2.5
-150.413	61.1161689208	2.5
-150.438	61.1115395063	2.5
-150.456366639	61.110537931	2.5
-150.463	61.1100719412	2.5
-150.469628143	61.110537931	2.5
-150.488	61.1115406297	2.5
-150.513	61.1161675364	2.5
-150.538	61.1258627118	2.5
-150.553482126	61.1354689655	2.5
-150.563	61.1522314237	2.5
-150.567320841	61.1604	2.5
-150.563	61.1686140241	2.5
-150.553555432	61.1853310345	2.5
-150.538	61.194977383	2.5
-150.513	61.2046496438	2.5
-150.488	61.2092626897	2.5
-150.469628683	61.210262069	2.5
-150.463	61.2107267057	2.5
> 3 contour -Z3
-150.513	61.1907289559	3
-150.488	61.1976016508	3
-150.463	61.1996531832	3
-150.438	61.197603362	3
-150.413	61.1907269328	3
-150.40165782	61.1853310345	3
-150.388	61.1689408073	3
-150.382389117	61.1604	3
-150.388	61.151885944	3
-150.401710744	61.1354689655	3
-150.413	61.1300925262	3
-150.438	61.1232019654	3
-150.463	61.1211474678	3
-150.488	61.1232036716	3
-150.513	61.130090493	3
-150.524294266	61.1354689655	3
-150.538	61.1518783926	3
-150.543612938	61.1604	3
-150.538	61.1689483918	3
-150.524347192	61.1853310345	3
-150.513	61.1907289559	3
> 3.5 contour -Z3.5
-150.488	61.1859406118	3.5
-150.463	61.1887057719	3.5
-150.438	61.1859429108	3.5
-150.436026904	61.1853310345	3.5
-150.413	61.1699150911	3.5
-150.404672637	61.1604	3.5
-150.413	61.150898925	3.5
-150.436053303	61.1354689655	3.5
-150.438	61.1348644246	3.5
-150.463	61.1320966124	3.5
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-150.489940287	61.1354689655	3.5
-150.513	61.1508938824	3.5
-150.52133236	61.1604	3.5
-150.513	61.1699201311	3.5
-150.489966657	61.1853310345	3.5
-150.488	61.1859406118	3.5
> 4 contour -Z4
-150.488	61.1664223251	4
-150.463	61.1726469307	4
-150.438	61.1664275304	4
-150.429826814	61.1604	4
-150.438	61.1543755454	4
-150.463	61.1481554698	4
-150.488	61.1543807437	4
-150.496170053	61.1604	4
-150.488	61.1664223251	4