> 3 contour
-168.302	52.8815	3
-168.219	52.895	3
-168.135	52.8996	3
-168.052	52.9006	3
-167.969	52.897	3
-167.885	52.8888	3
-167.802	52.8751	3
-167.769	52.8676	3
-167.719	52.8565	3
-167.635	52.8265	3
-167.614	52.8176	3
-167.552	52.7922	3
-167.503	52.7676	3
-167.469	52.7462	3
-167.427	52.7176	3
-167.385	52.6858	3
-167.363	52.6676	3
-167.318	52.6176	3
-167.302	52.5965	3
-167.279	52.5676	3
-167.255	52.5176	3
-167.236	52.4676	3
-167.229	52.4176	3
-167.227	52.3676	3
-167.236	52.3176	3
-167.25	52.2676	3
-167.278	52.2176	3
-167.302	52.1827	3
-167.311	52.1676	3
-167.36	52.1176	3
-167.385	52.0939	3
-167.415	52.0676	3
-167.469	52.0324	3
-167.494	52.0176	3
-167.552	51.985	3
-167.589	51.9676	3
-167.635	51.9488	3
-167.719	51.9206	3
-167.733	51.9176	3
-167.802	51.9012	3
-167.885	51.8867	3
-167.969	51.8781	3
-168.052	51.8743	3
-168.135	51.8753	3
-168.219	51.8805	3
-168.302	51.8946	3
-168.385	51.9142	3
-168.397	51.9176	3
-168.469	51.9376	3
-168.549	51.9676	3
-168.552	51.969	3
-168.635	52.0111	3
-168.647	52.0176	3
-168.719	52.062	3
-168.726	52.0676	3
-168.78	52.1176	3
-168.802	52.1417	3
-168.827	52.1676	3
-168.858	52.2176	3
-168.884	52.2676	3
-168.885	52.2726	3
-168.897	52.3176	3
-168.909	52.3676	3
-168.905	52.4176	3
-168.899	52.4676	3
-168.885	52.5014	3
-168.879	52.5176	3
-168.858	52.5676	3
-168.819	52.6176	3
-168.802	52.6378	3
-168.777	52.6676	3
-168.719	52.7153	3
-168.715	52.7176	3
-168.636	52.7676	3
-168.635	52.768	3
-168.552	52.8071	3
-168.524	52.8176	3
-168.469	52.8388	3
-168.385	52.8632	3
-168.365	52.8676	3
-168.302	52.8815	3
> 6 contour
-168.219	52.6022	6
-168.135	52.6115	6
-168.052	52.613	6
-167.969	52.6057	6
-167.885	52.5863	6
-167.84	52.5676	6
-167.802	52.5461	6
-167.761	52.5176	6
-167.719	52.4782	6
-167.709	52.4676	6
-167.691	52.4176	6
-167.683	52.3676	6
-167.706	52.3176	6
-167.719	52.2977	6
-167.74	52.2676	6
-167.802	52.2278	6
-167.824	52.2176	6
-167.885	52.1895	6
-167.969	52.1694	6
-167.987	52.1676	6
-168.052	52.16	6
-168.135	52.1617	6
-168.173	52.1676	6
-168.219	52.1737	6
-168.302	52.2138	6
-168.308	52.2176	6
-168.385	52.2666	6
-168.387	52.2676	6
-168.42	52.3176	6
-168.446	52.3676	6
-168.436	52.4176	6
-168.423	52.4676	6
-168.385	52.5021	6
-168.367	52.5176	6
-168.302	52.5651	6
-168.298	52.5676	6
-168.219	52.6022	6
> 9 contour
-168.135	52.5294	9
-168.052	52.5346	9
-167.987	52.5176	9
-167.969	52.5141	9
-167.885	52.481	9
-167.864	52.4676	9
-167.834	52.4176	9
-167.822	52.3676	9
-167.862	52.3176	9
-167.885	52.2983	9
-167.933	52.2676	9
-167.969	52.254	9
-168.052	52.2393	9
-168.135	52.2436	9
-168.215	52.2676	9
-168.219	52.2692	9
-168.278	52.3176	9
-168.302	52.3593	9
-168.308	52.3676	9
-168.302	52.3936	9
-168.298	52.4176	9
-168.275	52.4676	9
-168.219	52.5054	9
-168.174	52.5176	9
-168.135	52.5294	9
> 12 contour
-168.135	52.4836	12
-168.052	52.4974	12
-167.969	52.4699	12
-167.964	52.4676	12
-167.906	52.4176	12
-167.896	52.3676	12
-167.961	52.3176	12
-167.969	52.3129	12
-168.052	52.2808	12
-168.135	52.2922	12
-168.189	52.3176	12
-168.219	52.3432	12
-168.239	52.3676	12
-168.225	52.4176	12
-168.219	52.4266	12
-168.176	52.4676	12
-168.135	52.4836	12
> 15 contour
-168.052	52.4697	15
-168.046	52.4676	15
-167.969	52.4293	15
-167.955	52.4176	15
-167.947	52.3676	15
-167.969	52.3515	15
-168.046	52.3176	15
-168.052	52.3151	15
-168.064	52.3176	15
-168.135	52.3344	15
-168.181	52.3676	15
-168.177	52.4176	15
-168.135	52.4476	15
-168.061	52.4676	15
-168.052	52.4697	15