> 0.6 contour
-174.676	51.4	0.6
-174.674	51.425	0.6
-174.668	51.45	0.6
-174.663	51.4622	0.6
-174.659	51.475	0.6
-174.646	51.5	0.6
-174.638	51.5113	0.6
-174.63	51.525	0.6
-174.613	51.5472	0.6
-174.611	51.55	0.6
-174.591	51.575	0.6
-174.588	51.578	0.6
-174.566	51.6	0.6
-174.563	51.6031	0.6
-174.538	51.622	0.6
-174.533	51.625	0.6
-174.513	51.6357	0.6
-174.488	51.6446	0.6
-174.463	51.6491	0.6
-174.438	51.6497	0.6
-174.413	51.6436	0.6
-174.398	51.65	0.6
-174.388	51.6542	0.6
-174.377	51.675	0.6
-174.363	51.6857	0.6
-174.339	51.7	0.6
-174.338	51.7006	0.6
-174.313	51.7102	0.6
-174.288	51.7158	0.6
-174.263	51.718	0.6
-174.238	51.7172	0.6
-174.213	51.713	0.6
-174.188	51.705	0.6
-174.178	51.7	0.6
-174.163	51.6927	0.6
-174.14	51.675	0.6
-174.138	51.673	0.6
-174.122	51.65	0.6
-174.114	51.625	0.6
-174.113	51.6235	0.6
-174.11	51.6	0.6
-174.088	51.5801	0.6
-174.063	51.5821	0.6
-174.038	51.5835	0.6
-174.013	51.5783	0.6
-174.006	51.575	0.6
-173.988	51.566	0.6
-173.968	51.55	0.6
-173.963	51.5459	0.6
-173.944	51.525	0.6
-173.938	51.5164	0.6
-173.927	51.5	0.6
-173.914	51.475	0.6
-173.913	51.4723	0.6
-173.904	51.45	0.6
-173.897	51.425	0.6
-173.893	51.4	0.6
> 1.2 contour
-174.524	51.4	1.2
-174.517	51.425	1.2
-174.513	51.434	1.2
-174.507	51.45	1.2
-174.491	51.475	1.2
-174.488	51.4781	1.2
-174.468	51.5	1.2
-174.463	51.5039	1.2
-174.438	51.521	1.2
-174.431	51.525	1.2
-174.413	51.5326	1.2
-174.388	51.5415	1.2
-174.368	51.55	1.2
-174.363	51.5522	1.2
-174.338	51.5639	1.2
-174.313	51.5737	1.2
-174.308	51.575	1.2
-174.288	51.5805	1.2
-174.263	51.5826	1.2
-174.238	51.5801	1.2
-174.221	51.575	1.2
-174.213	51.5729	1.2
-174.188	51.5614	1.2
-174.171	51.55	1.2
-174.163	51.5451	1.2
-174.138	51.5254	1.2
-174.138	51.525	1.2
-174.113	51.502	1.2
-174.111	51.5	1.2
-174.091	51.475	1.2
-174.088	51.4712	1.2
-174.075	51.45	1.2
-174.066	51.425	1.2
-174.063	51.4089	1.2
-174.061	51.4	1.2
> 1.8 contour
-174.438	51.4	1.8
-174.43	51.425	1.8
-174.414	51.45	1.8
-174.413	51.4511	1.8
-174.39	51.475	1.8
-174.388	51.4763	1.8
-174.363	51.4932	1.8
-174.349	51.5	1.8
-174.338	51.5051	1.8
-174.313	51.5131	1.8
-174.288	51.5166	1.8
-174.263	51.5156	1.8
-174.238	51.5096	1.8
-174.217	51.5	1.8
-174.213	51.498	1.8
-174.188	51.4802	1.8
-174.183	51.475	1.8
-174.163	51.4521	1.8
-174.162	51.45	1.8
-174.148	51.425	1.8
-174.141	51.4	1.8
> 2.4 contour
-174.386	51.4	2.4
-174.374	51.425	2.4
-174.363	51.4377	2.4
-174.35	51.45	2.4
-174.338	51.4583	2.4
-174.313	51.4692	2.4
-174.288	51.4729	2.4
-174.263	51.47	2.4
-174.238	51.4596	2.4
-174.225	51.45	2.4
-174.213	51.439	2.4
-174.202	51.425	2.4
-174.191	51.4	2.4
> 3 contour
-174.352	51.4	3
-174.338	51.4183	3
-174.331	51.425	3
-174.313	51.4373	3
-174.288	51.4435	3
-174.263	51.4376	3
-174.245	51.425	3
-174.238	51.4189	3
-174.225	51.4	3