> 1 contour
159.559	52.5268	1
159.642	52.5433	1
159.677	52.5208	1
159.725	52.4974	1
159.809	52.4497	1
159.825	52.4375	1
159.889	52.3541	1
159.892	52.3	1
159.895	52.2708	1
159.892	52.265	1
159.855	52.1875	1
159.809	52.1498	1
159.725	52.1118	1
159.714	52.1041	1
159.642	52.0464	1
159.559	52.0505	1
159.475	52.0689	1
159.392	52.0933	1
159.366	52.1041	1
159.309	52.1245	1
159.232	52.1875	1
159.225	52.2016	1
159.185	52.2708	1
159.188	52.3541	1
159.225	52.4061	1
159.251	52.4375	1
159.309	52.4758	1
159.392	52.5053	1
159.475	52.5193	1
159.507	52.5208	1
159.559	52.5268	1
> 2 contour
159.475	52.4432	2
159.559	52.4583	2
159.642	52.4489	2
159.659	52.4375	2
159.725	52.3942	2
159.767	52.3541	2
159.778	52.2708	2
159.725	52.2094	2
159.704	52.1875	2
159.642	52.1371	2
159.559	52.1247	2
159.475	52.1409	2
159.392	52.187	2
159.391	52.1875	2
159.315	52.2708	2
159.323	52.3541	2
159.392	52.412	2
159.463	52.4375	2
159.475	52.4432	2
> 3 contour
159.392	52.3545	3
159.475	52.4144	3
159.559	52.4208	3
159.642	52.3948	3
159.694	52.3541	3
159.714	52.2708	3
159.642	52.1961	3
159.623	52.1875	3
159.559	52.1638	3
159.479	52.1875	3
159.475	52.1881	3
159.392	52.2457	3
159.369	52.2708	3
159.392	52.3541	3
159.392	52.3545	3
> 4 contour
159.475	52.3895	4
159.559	52.3963	4
159.634	52.3541	4
159.642	52.3335	4
159.668	52.2708	4
159.642	52.2444	4
159.559	52.1952	4
159.475	52.2095	4
159.406	52.2708	4
159.426	52.3541	4
159.475	52.3895	4
> 5 contour
159.475	52.3645	5
159.559	52.3718	5
159.59	52.3541	5
159.631	52.2708	5
159.559	52.2147	5
159.475	52.2309	5
159.43	52.2708	5
159.461	52.3541	5
159.475	52.3645	5