> 0.9 contour
-177.036	51.4	0.9
-177.025	51.4116	0.9
-177.013	51.425	0.9
-177	51.4439	0.9
-176.996	51.45	0.9
-176.983	51.475	0.9
-176.975	51.4996	0.9
-176.975	51.5	0.9
-176.969	51.525	0.9
-176.965	51.55	0.9
-176.964	51.575	0.9
-176.965	51.6	0.9
-176.967	51.625	0.9
-176.972	51.65	0.9
-176.975	51.66	0.9
-176.979	51.675	0.9
-176.989	51.7	0.9
-177	51.7209	0.9
-177.002	51.725	0.9
-177.02	51.75	0.9
-177.025	51.7556	0.9
-177.05	51.7671	0.9
-177.066	51.775	0.9
-177.075	51.7822	0.9
-177.1	51.8	0.9
-177.1	51.8	0.9
-177.125	51.8154	0.9
-177.15	51.8168	0.9
-177.164	51.825	0.9
-177.175	51.8312	0.9
-177.2	51.8435	0.9
-177.218	51.85	0.9
-177.225	51.8515	0.9
-177.245	51.875	0.9
-177.25	51.8857	0.9
-177.275	51.8873	0.9
-177.3	51.8847	0.9
-177.325	51.8777	0.9
-177.331	51.875	0.9
-177.35	51.8683	0.9
-177.375	51.8584	0.9
-177.4	51.8515	0.9
-177.425	51.8505	0.9
-177.45	51.85	0.9
-177.45	51.85	0.9
-177.475	51.8478	0.9
-177.5	51.8423	0.9
-177.525	51.8327	0.9
-177.539	51.825	0.9
-177.55	51.8184	0.9
-177.574	51.8	0.9
-177.575	51.7991	0.9
-177.599	51.775	0.9
-177.575	51.7649	0.9
-177.55	51.7551	0.9
-177.547	51.75	0.9
-177.55	51.7343	0.9
-177.557	51.725	0.9
-177.573	51.7	0.9
-177.575	51.6945	0.9
-177.584	51.675	0.9
-177.6	51.67	0.9
> 1.8 contour
-177.327	51.4	1.8
-177.35	51.4038	1.8
-177.375	51.4106	1.8
-177.4	51.4199	1.8
-177.411	51.425	1.8
-177.425	51.4319	1.8
-177.45	51.4482	1.8
-177.452	51.45	1.8
-177.475	51.4712	1.8
-177.479	51.475	1.8
-177.497	51.5	1.8
-177.5	51.5068	1.8
-177.509	51.525	1.8
-177.517	51.55	1.8
-177.52	51.575	1.8
-177.521	51.6	1.8
-177.517	51.625	1.8
-177.509	51.65	1.8
-177.5	51.6578	1.8
-177.479	51.675	1.8
-177.475	51.6797	1.8
-177.456	51.7	1.8
-177.45	51.7056	1.8
-177.436	51.725	1.8
-177.425	51.738	1.8
-177.4	51.7488	1.8
-177.396	51.75	1.8
-177.375	51.7568	1.8
-177.35	51.7621	1.8
-177.325	51.7601	1.8
-177.3	51.76	1.8
-177.275	51.7577	1.8
-177.25	51.7532	1.8
-177.245	51.75	1.8
-177.225	51.7291	1.8
-177.218	51.725	1.8
-177.2	51.7122	1.8
-177.186	51.7	1.8
-177.175	51.6871	1.8
-177.166	51.675	1.8
-177.15	51.6615	1.8
-177.138	51.65	1.8
-177.132	51.625	1.8
-177.13	51.6	1.8
-177.126	51.575	1.8
-177.126	51.55	1.8
-177.13	51.525	1.8
-177.139	51.5	1.8
-177.15	51.4811	1.8
-177.154	51.475	1.8
-177.175	51.4505	1.8
-177.176	51.45	1.8
-177.2	51.43	1.8
-177.208	51.425	1.8
-177.225	51.4153	1.8
-177.25	51.4055	1.8
-177.275	51.4001	1.8
-177.276	51.4	1.8
> 2.7 contour
-177.375	51.6784	2.7
-177.35	51.6867	2.7
-177.325	51.6907	2.7
-177.3	51.6903	2.7
-177.275	51.6845	2.7
-177.256	51.675	2.7
-177.25	51.6721	2.7
-177.225	51.6505	2.7
-177.224	51.65	2.7
-177.207	51.625	2.7
-177.2	51.6045	2.7
-177.198	51.6	2.7
-177.195	51.575	2.7
-177.199	51.55	2.7
-177.2	51.5477	2.7
-177.209	51.525	2.7
-177.225	51.5037	2.7
-177.229	51.5	2.7
-177.25	51.483	2.7
-177.268	51.475	2.7
-177.275	51.472	2.7
-177.3	51.4671	2.7
-177.325	51.4684	2.7
-177.349	51.475	2.7
-177.35	51.4752	2.7
-177.375	51.4865	2.7
-177.394	51.5	2.7
-177.4	51.5046	2.7
-177.42	51.525	2.7
-177.425	51.5327	2.7
-177.436	51.55	2.7
-177.445	51.575	2.7
-177.447	51.6	2.7
-177.439	51.625	2.7
-177.425	51.6446	2.7
-177.42	51.65	2.7
-177.4	51.6662	2.7
-177.382	51.675	2.7
-177.375	51.6784	2.7
> 3.6 contour
-177.35	51.6316	3.6
-177.325	51.6412	3.6
-177.3	51.6435	3.6
-177.275	51.6344	3.6
-177.263	51.625	3.6
-177.25	51.6099	3.6
-177.244	51.6	3.6
-177.237	51.575	3.6
-177.245	51.55	3.6
-177.25	51.5421	3.6
-177.266	51.525	3.6
-177.275	51.5185	3.6
-177.3	51.51	3.6
-177.325	51.5143	3.6
-177.345	51.525	3.6
-177.35	51.5283	3.6
-177.373	51.55	3.6
-177.375	51.5543	3.6
-177.391	51.575	3.6
-177.4	51.5833	3.6
-177.408	51.6	3.6
-177.4	51.6108	3.6
-177.375	51.6177	3.6
-177.363	51.625	3.6
-177.35	51.6316	3.6
> 4.5 contour
-177.325	51.605	4.5
-177.3	51.6153	4.5
-177.277	51.6	4.5
-177.275	51.5982	4.5
-177.262	51.575	4.5
-177.275	51.5529	4.5
-177.278	51.55	4.5
-177.3	51.5362	4.5
-177.325	51.5479	4.5
-177.328	51.55	4.5
-177.344	51.575	4.5
-177.332	51.6	4.5
-177.325	51.605	4.5