> 20 contour
229.211	51.4861	20
229.294	51.508	20
229.377	51.5389	20
229.461	51.5232	20
229.544	51.5167	20
229.627	51.5007	20
229.711	51.4752	20
229.716	51.4729	20
229.794	51.4431	20
229.877	51.3896	20
229.877	51.3893	20
229.949	51.3063	20
229.961	51.278	20
229.988	51.2229	20
229.991	51.1396	20
229.961	51.0626	20
229.959	51.0563	20
229.899	50.9729	20
229.877	50.9528	20
229.794	50.8999	20
229.77	50.8896	20
229.711	50.8634	20
229.627	50.839	20
229.544	50.8248	20
229.461	50.8196	20
229.377	50.8072	20
229.294	50.8324	20
229.211	50.8523	20
229.127	50.8888	20
229.126	50.8896	20
229.044	50.932	20
228.993	50.9729	20
228.961	51.012	20
228.926	51.0563	20
228.898	51.1396	20
228.9	51.2229	20
228.939	51.3063	20
228.961	51.3319	20
229.017	51.3896	20
229.044	51.4099	20
229.127	51.4556	20
229.178	51.4729	20
229.211	51.4861	20
> 40 contour
229.294	51.3639	40
229.377	51.3885	40
229.461	51.3852	40
229.544	51.3766	40
229.627	51.3418	40
229.689	51.3063	40
229.711	51.2839	40
229.756	51.2229	40
229.76	51.1396	40
229.711	51.0764	40
229.698	51.0563	40
229.627	50.9983	40
229.544	50.9794	40
229.509	50.9729	40
229.461	50.9559	40
229.377	50.9488	40
229.322	50.9729	40
229.294	50.9812	40
229.211	51.0379	40
229.185	51.0563	40
229.137	51.1396	40
229.141	51.2229	40
229.211	51.2997	40
229.218	51.3063	40
229.294	51.3639	40
> 60 contour
229.377	51.3263	60
229.461	51.3367	60
229.543	51.3063	60
229.544	51.3057	60
229.627	51.2548	60
229.659	51.2229	60
229.667	51.1396	60
229.627	51.0915	60
229.587	51.0563	60
229.544	51.0322	60
229.461	51.0153	60
229.377	51.0165	60
229.294	51.0561	60
229.294	51.0563	60
229.224	51.1396	60
229.232	51.2229	60
229.294	51.2826	60
229.337	51.3063	60
229.377	51.3263	60
> 80 contour
229.377	51.2605	80
229.461	51.293	80
229.544	51.2624	80
229.595	51.2229	80
229.608	51.1396	80
229.544	51.0807	80
229.461	51.0622	80
229.377	51.0774	80
229.294	51.1286	80
229.285	51.1396	80
229.294	51.1846	80
229.31	51.2229	80
229.377	51.2605	80
> 100 contour
229.461	51.2572	100
229.537	51.2229	100
229.544	51.2044	100
229.559	51.1396	100
229.544	51.1256	100
229.461	51.0923	100
229.385	51.1396	100
229.404	51.2229	100
229.461	51.2572	100