> 0.6 contour
-177.353	51.4	0.6
-177.361	51.425	0.6
-177.366	51.45	0.6
-177.367	51.475	0.6
-177.365	51.5	0.6
-177.359	51.525	0.6
-177.35	51.5489	0.6
-177.35	51.55	0.6
-177.339	51.575	0.6
-177.328	51.6	0.6
-177.325	51.6069	0.6
-177.316	51.625	0.6
-177.3	51.6498	0.6
-177.3	51.65	0.6
-177.278	51.675	0.6
-177.275	51.678	0.6
-177.25	51.6983	0.6
-177.225	51.6956	0.6
-177.216	51.7	0.6
-177.2	51.7081	0.6
-177.175	51.7175	0.6
-177.15	51.7242	0.6
-177.149	51.725	0.6
-177.125	51.7448	0.6
-177.1	51.748	0.6
-177.075	51.75	0.6
-177.075	51.75	0.6
-177.05	51.7504	0.6
-177.035	51.75	0.6
-177.025	51.7496	0.6
-177	51.7465	0.6
-176.975	51.7408	0.6
-176.95	51.732	0.6
-176.936	51.725	0.6
-176.925	51.7198	0.6
-176.9	51.703	0.6
-176.896	51.7	0.6
-176.875	51.6797	0.6
-176.871	51.675	0.6
-176.854	51.65	0.6
-176.85	51.6422	0.6
-176.845	51.625	0.6
-176.84	51.6	0.6
-176.831	51.575	0.6
-176.825	51.5666	0.6
-176.806	51.55	0.6
-176.8	51.5373	0.6
-176.793	51.525	0.6
-176.785	51.5	0.6
-176.782	51.475	0.6
-176.783	51.45	0.6
-176.788	51.425	0.6
-176.798	51.4	0.6
> 1.2 contour
-177.203	51.4	1.2
-177.218	51.425	1.2
-177.225	51.45	1.2
-177.225	51.4511	1.2
-177.228	51.475	1.2
-177.225	51.4965	1.2
-177.225	51.5	1.2
-177.217	51.525	1.2
-177.202	51.55	1.2
-177.2	51.5518	1.2
-177.175	51.5744	1.2
-177.174	51.575	1.2
-177.15	51.5863	1.2
-177.125	51.5891	1.2
-177.1	51.5863	1.2
-177.075	51.5977	1.2
-177.066	51.6	1.2
-177.05	51.6073	1.2
-177.025	51.6071	1.2
-177.002	51.6	1.2
-177	51.5996	1.2
-176.975	51.5855	1.2
-176.963	51.575	1.2
-176.95	51.5607	1.2
-176.942	51.55	1.2
-176.929	51.525	1.2
-176.925	51.5102	1.2
-176.922	51.5	1.2
-176.919	51.475	1.2
-176.922	51.45	1.2
-176.925	51.4395	1.2
-176.929	51.425	1.2
-176.942	51.4	1.2
> 1.8 contour
-177.107	51.4	1.8
-177.125	51.4092	1.8
-177.143	51.425	1.8
-177.15	51.4367	1.8
-177.158	51.45	1.8
-177.162	51.475	1.8
-177.157	51.5	1.8
-177.15	51.511	1.8
-177.14	51.525	1.8
-177.125	51.5373	1.8
-177.1	51.5487	1.8
-177.094	51.55	1.8
-177.075	51.5545	1.8
-177.05	51.5524	1.8
-177.043	51.55	1.8
-177.025	51.542	1.8
-177.005	51.525	1.8
-177	51.5167	1.8
-176.99	51.5	1.8
-176.986	51.475	1.8
-176.99	51.45	1.8
-177	51.4325	1.8
-177.005	51.425	1.8
-177.025	51.4067	1.8
-177.039	51.4	1.8
> 2.4 contour
-177.1	51.5161	2.4
-177.075	51.5247	2.4
-177.05	51.5173	2.4
-177.031	51.5	2.4
-177.025	51.4824	2.4
-177.022	51.475	2.4
-177.025	51.4673	2.4
-177.031	51.45	2.4
-177.05	51.4318	2.4
-177.072	51.425	2.4
-177.075	51.4239	2.4
-177.078	51.425	2.4
-177.1	51.4324	2.4
-177.118	51.45	2.4
-177.125	51.4706	2.4
-177.127	51.475	2.4
-177.125	51.479	2.4
-177.117	51.5	2.4
-177.1	51.5161	2.4
> 3 contour
-177.075	51.5062	3
-177.064	51.5	3
-177.05	51.4868	3
-177.043	51.475	3
-177.05	51.4629	3
-177.063	51.45	3
-177.075	51.4432	3
-177.087	51.45	3
-177.1	51.4636	3
-177.107	51.475	3
-177.1	51.486	3
-177.086	51.5	3
-177.075	51.5062	3