> 0.8 contour
-174.26	51.4	0.8
-174.259	51.425	0.8
-174.254	51.45	0.8
-174.254	51.4509	0.8
-174.248	51.475	0.8
-174.237	51.5	0.8
-174.229	51.515	0.8
-174.224	51.525	0.8
-174.205	51.55	0.8
-174.204	51.5511	0.8
-174.18	51.575	0.8
-174.179	51.5754	0.8
-174.154	51.5921	0.8
-174.133	51.6	0.8
-174.129	51.6013	0.8
-174.104	51.6036	0.8
-174.098	51.6	0.8
-174.079	51.5958	0.8
-174.054	51.5882	0.8
-174.039	51.6	0.8
-174.035	51.625	0.8
-174.029	51.637	0.8
-174.019	51.65	0.8
-174.004	51.6623	0.8
-173.979	51.674	0.8
-173.975	51.675	0.8
-173.954	51.6806	0.8
-173.929	51.6829	0.8
-173.904	51.6813	0.8
-173.879	51.6756	0.8
-173.878	51.675	0.8
-173.854	51.6663	0.8
-173.829	51.6504	0.8
-173.829	51.65	0.8
-173.805	51.625	0.8
-173.804	51.6243	0.8
-173.791	51.6	0.8
-173.779	51.5871	0.8
-173.766	51.575	0.8
-173.754	51.565	0.8
-173.729	51.5545	0.8
-173.72	51.55	0.8
-173.704	51.5379	0.8
-173.69	51.525	0.8
-173.679	51.5103	0.8
-173.672	51.5	0.8
-173.66	51.475	0.8
-173.654	51.4566	0.8
-173.652	51.45	0.8
-173.648	51.425	0.8
-173.647	51.4	0.8
> 1.6 contour
-174.111	51.4	1.6
-174.109	51.425	1.6
-174.104	51.4418	1.6
-174.102	51.45	1.6
-174.089	51.475	1.6
-174.079	51.4868	1.6
-174.067	51.5	1.6
-174.054	51.51	1.6
-174.031	51.525	1.6
-174.029	51.5263	1.6
-174.004	51.5391	1.6
-173.979	51.5478	1.6
-173.966	51.55	1.6
-173.954	51.5525	1.6
-173.929	51.5524	1.6
-173.918	51.55	1.6
-173.904	51.5474	1.6
-173.879	51.5373	1.6
-173.86	51.525	1.6
-173.854	51.5207	1.6
-173.832	51.5	1.6
-173.829	51.4961	1.6
-173.814	51.475	1.6
-173.804	51.4546	1.6
-173.802	51.45	1.6
-173.795	51.425	1.6
-173.794	51.4	1.6
> 2.4 contour
-174.045	51.4	2.4
-174.041	51.425	2.4
-174.029	51.4479	2.4
-174.028	51.45	2.4
-174.004	51.4736	2.4
-174.002	51.475	2.4
-173.979	51.487	2.4
-173.954	51.4918	2.4
-173.929	51.4885	2.4
-173.904	51.4765	2.4
-173.902	51.475	2.4
-173.879	51.4531	2.4
-173.877	51.45	2.4
-173.864	51.425	2.4
-173.86	51.4	2.4
> 3.2 contour
-174.009	51.4	3.2
-174.004	51.4139	3.2
-174.001	51.425	3.2
-173.979	51.4467	3.2
-173.97	51.45	3.2
-173.954	51.4557	3.2
-173.937	51.45	3.2
-173.929	51.4475	3.2
-173.906	51.425	3.2
-173.904	51.4189	3.2
-173.898	51.4	3.2