> 0.5 contour
-173.953	52.2561	0.5
-173.928	52.2603	0.5
-173.903	52.2597	0.5
-173.878	52.2543	0.5
-173.868	52.25	0.5
-173.853	52.2441	0.5
-173.828	52.2274	0.5
-173.825	52.225	0.5
-173.803	52.2067	0.5
-173.796	52.2	0.5
-173.778	52.1868	0.5
-173.757	52.175	0.5
-173.753	52.1594	0.5
-173.751	52.15	0.5
-173.736	52.125	0.5
-173.728	52.1038	0.5
-173.724	52.1	0.5
-173.704	52.075	0.5
-173.703	52.0748	0.5
-173.678	52.0684	0.5
-173.653	52.0612	0.5
-173.628	52.0533	0.5
-173.618	52.05	0.5
-173.609	52.025	0.5
-173.604	52	0.5
-173.603	51.9899	0.5
-173.601	51.975	0.5
-173.6	51.95	0.5
-173.6	51.925	0.5
-173.603	51.9032	0.5
-173.603	51.9	0.5
-173.607	51.875	0.5
-173.614	51.85	0.5
-173.624	51.825	0.5
-173.628	51.8172	0.5
-173.636	51.8	0.5
-173.653	51.776	0.5
-173.653	51.775	0.5
-173.676	51.75	0.5
-173.678	51.7484	0.5
-173.703	51.7282	0.5
-173.707	51.725	0.5
-173.728	51.7129	0.5
-173.753	51.7	0.5
-173.753	51.6999	0.5
-173.778	51.6868	0.5
-173.798	51.675	0.5
-173.803	51.6719	0.5
-173.828	51.6567	0.5
-173.841	51.65	0.5
-173.853	51.6436	0.5
-173.878	51.6343	0.5
-173.903	51.6294	0.5
-173.928	51.6286	0.5
-173.953	51.6318	0.5
-173.978	51.6393	0.5
-174	51.65	0.5
-174.003	51.6509	0.5
-174.028	51.6619	0.5
-174.053	51.67	0.5
-174.078	51.6708	0.5
-174.103	51.6711	0.5
-174.128	51.6737	0.5
-174.133	51.675	0.5
-174.153	51.6797	0.5
-174.178	51.6898	0.5
-174.195	51.7	0.5
-174.203	51.7047	0.5
-174.228	51.7248	0.5
-174.228	51.725	0.5
-174.252	51.75	0.5
-174.253	51.7512	0.5
-174.27	51.775	0.5
-174.278	51.7884	0.5
-174.284	51.8	0.5
-174.294	51.825	0.5
-174.3	51.85	0.5
-174.302	51.875	0.5
-174.303	51.8932	0.5
-174.303	51.9	0.5
-174.303	51.9188	0.5
-174.303	51.925	0.5
-174.303	51.9253	0.5
-174.305	51.95	0.5
-174.308	51.975	0.5
-174.308	52	0.5
-174.305	52.025	0.5
-174.303	52.0337	0.5
-174.299	52.05	0.5
-174.278	52.0581	0.5
-174.253	52.0665	0.5
-174.228	52.0725	0.5
-174.218	52.075	0.5
-174.203	52.0952	0.5
-174.199	52.1	0.5
-174.178	52.1208	0.5
-174.173	52.125	0.5
-174.153	52.1389	0.5
-174.149	52.15	0.5
-174.142	52.175	0.5
-174.129	52.2	0.5
-174.128	52.2029	0.5
-174.103	52.2017	0.5
-174.094	52.2	0.5
-174.078	52.1978	0.5
-174.053	52.1954	0.5
-174.042	52.2	0.5
-174.028	52.2078	0.5
-174.004	52.225	0.5
-174.003	52.227	0.5
-173.978	52.246	0.5
-173.967	52.25	0.5
-173.953	52.2561	0.5
> 1 contour
-174.053	52.1033	1
-174.028	52.1007	1
-174.003	52.1092	1
-173.978	52.1145	1
-173.953	52.1164	1
-173.938	52.1	1
-173.928	52.0871	1
-173.903	52.0795	1
-173.894	52.075	1
-173.878	52.073	1
-173.853	52.0686	1
-173.828	52.07	1
-173.803	52.0592	1
-173.784	52.05	1
-173.778	52.0374	1
-173.771	52.025	1
-173.763	52	1
-173.76	51.975	1
-173.762	51.95	1
-173.768	51.925	1
-173.768	51.9	1
-173.772	51.875	1
-173.778	51.8603	1
-173.782	51.85	1
-173.797	51.825	1
-173.803	51.8187	1
-173.821	51.8	1
-173.828	51.7939	1
-173.853	51.7764	1
-173.855	51.775	1
-173.878	51.7636	1
-173.903	51.755	1
-173.928	51.7501	1
-173.929	51.75	1
-173.953	51.7481	1
-173.978	51.7492	1
-173.983	51.75	1
-174.003	51.7528	1
-174.028	51.7589	1
-174.053	51.7676	1
-174.069	51.775	1
-174.078	51.7794	1
-174.103	51.7955	1
-174.109	51.8	1
-174.128	51.8178	1
-174.134	51.825	1
-174.152	51.85	1
-174.153	51.8516	1
-174.164	51.875	1
-174.172	51.9	1
-174.176	51.925	1
-174.176	51.95	1
-174.173	51.975	1
-174.167	52	1
-174.156	52.025	1
-174.153	52.0306	1
-174.141	52.05	1
-174.128	52.0586	1
-174.103	52.0727	1
-174.098	52.075	1
-174.078	52.0896	1
-174.059	52.1	1
-174.053	52.1033	1
> 1.5 contour
-174.028	52.0513	1.5
-174.003	52.0578	1.5
-173.978	52.0616	1.5
-173.953	52.0627	1.5
-173.928	52.0575	1.5
-173.903	52.054	1.5
-173.884	52.05	1.5
-173.878	52.0454	1.5
-173.857	52.025	1.5
-173.853	52.0185	1.5
-173.841	52	1.5
-173.833	51.975	1.5
-173.831	51.95	1.5
-173.833	51.925	1.5
-173.84	51.9	1.5
-173.853	51.8779	1.5
-173.855	51.875	1.5
-173.878	51.8503	1.5
-173.878	51.85	1.5
-173.903	51.8337	1.5
-173.927	51.825	1.5
-173.928	51.8248	1.5
-173.953	51.8205	1.5
-173.978	51.8214	1.5
-173.994	51.825	1.5
-174.003	51.8268	1.5
-174.028	51.8365	1.5
-174.05	51.85	1.5
-174.053	51.852	1.5
-174.077	51.875	1.5
-174.078	51.8763	1.5
-174.093	51.9	1.5
-174.1	51.925	1.5
-174.099	51.95	1.5
-174.093	51.975	1.5
-174.081	52	1.5
-174.078	52.0053	1.5
-174.062	52.025	1.5
-174.053	52.0344	1.5
-174.032	52.05	1.5
-174.028	52.0513	1.5
> 2 contour
-173.953	52.0288	2
-173.937	52.025	2
-173.928	52.023	2
-173.903	52.0073	2
-173.895	52	2
-173.88	51.975	2
-173.878	51.9623	2
-173.875	51.95	2
-173.878	51.9361	2
-173.88	51.925	2
-173.894	51.9	2
-173.903	51.8904	2
-173.927	51.875	2
-173.928	51.8744	2
-173.953	51.8675	2
-173.978	51.8704	2
-173.99	51.875	2
-174.003	51.8805	2
-174.028	51.898	2
-174.03	51.9	2
-174.053	51.9183	2
-174.057	51.925	2
-174.053	51.9403	2
-174.049	51.95	2
-174.038	51.975	2
-174.028	51.989	2
-174.019	52	2
-174.003	52.0132	2
-173.978	52.0249	2
-173.977	52.025	2
-173.953	52.0288	2
> 2.5 contour
-173.978	51.9927	2.5
-173.953	51.9998	2.5
-173.928	51.9906	2.5
-173.912	51.975	2.5
-173.903	51.95	2.5
-173.912	51.925	2.5
-173.928	51.9082	2.5
-173.948	51.9	2.5
-173.953	51.8983	2.5
-173.959	51.9	2.5
-173.978	51.905	2.5
-174.001	51.925	2.5
-174.003	51.9315	2.5
-174.009	51.95	2.5
-174.003	51.9634	2.5
-173.998	51.975	2.5
-173.978	51.9927	2.5
> 3 contour
-173.953	51.9822	3
-173.941	51.975	3
-173.928	51.9617	3
-173.921	51.95	3
-173.928	51.9379	3
-173.94	51.925	3
-173.953	51.9169	3
-173.968	51.925	3
-173.978	51.9343	3
-173.987	51.95	3
-173.978	51.9647	3
-173.966	51.975	3
-173.953	51.9822	3