> 3 contour
52.905	29.3257	3
52.9531	29.318	3
52.955	29.3174	3
53.005	29.2819	3
53.055	29.2712	3
53.0601	29.268	3
53.105	29.2366	3
53.1238	29.218	3
53.155	29.1803	3
53.1653	29.168	3
53.155	29.1615	3
53.105	29.1218	3
53.1005	29.118	3
53.105	29.1101	3
53.1271	29.068	3
53.1412	29.018	3
53.155	29.0095	3
53.1847	28.968	3
53.155	28.9266	3
53.141	28.918	3
53.1267	28.868	3
53.105	28.8265	3
53.1001	28.818	3
53.0558	28.768	3
53.055	28.7672	3
53.005	28.7233	3
52.9943	28.718	3
52.955	28.6984	3
52.905	28.6767	3
52.855	28.6708	3
52.8343	28.668	3
52.805	28.663	3
52.7757	28.668	3
52.755	28.6708	3
52.705	28.6767	3
52.655	28.6984	3
52.6156	28.718	3
52.605	28.7232	3
52.555	28.7664	3
52.5533	28.768	3
52.505	28.7816	3
52.455	28.8013	3
52.4398	28.818	3
52.455	28.845	3
52.4833	28.868	3
52.4692	28.918	3
52.4654	28.968	3
52.469	29.018	3
52.483	29.068	3
52.505	29.1105	3
52.5092	29.118	3
52.5527	29.168	3
52.555	29.17	3
52.605	29.2131	3
52.6151	29.218	3
52.655	29.2377	3
52.669	29.268	3
52.705	29.2969	3
52.7527	29.268	3
52.755	29.267	3
52.7755	29.268	3
52.805	29.2731	3
52.8345	29.268	3
52.855	29.2652	3
52.905	29.2594	3
52.9135	29.268	3
52.905	29.2876	3
52.8932	29.318	3
52.905	29.3257	3
> 6 contour
52.755	29.1776	6
52.805	29.1809	6
52.8236	29.168	6
52.855	29.1516	6
52.9027	29.118	6
52.905	29.1148	6
52.9541	29.068	6
52.955	29.0666	6
52.9893	29.018	6
52.9956	28.968	6
52.9893	28.918	6
52.955	28.8696	6
52.954	28.868	6
52.905	28.8212	6
52.8946	28.818	6
52.855	28.8041	6
52.805	28.7782	6
52.755	28.8041	6
52.7154	28.818	6
52.705	28.8212	6
52.656	28.868	6
52.655	28.8696	6
52.6209	28.918	6
52.6145	28.968	6
52.6208	29.018	6
52.655	29.0666	6
52.6559	29.068	6
52.705	29.1148	6
52.7152	29.118	6
52.7474	29.168	6
52.755	29.1776	6
> 9 contour
52.755	29.0745	9
52.805	29.0941	9
52.855	29.0923	9
52.8674	29.068	9
52.905	29.047	9
52.9283	29.018	9
52.9393	28.968	9
52.9283	28.918	9
52.905	28.889	9
52.8674	28.868	9
52.855	28.8615	9
52.814	28.818	9
52.805	28.8118	9
52.796	28.818	9
52.755	28.8615	9
52.7426	28.868	9
52.705	28.8772	9
52.6682	28.918	9
52.6707	28.968	9
52.6817	29.018	9
52.705	29.047	9
52.7425	29.068	9
52.755	29.0745	9
> 12 contour
52.755	29.0442	12
52.805	29.0602	12
52.855	29.0442	12
52.8884	29.018	12
52.905	28.9724	12
52.9065	28.968	12
52.905	28.9636	12
52.8883	28.918	12
52.855	28.8918	12
52.805	28.8758	12
52.755	28.8918	12
52.705	28.9017	12
52.6903	28.918	12
52.7035	28.968	12
52.705	28.9724	12
52.7216	29.018	12
52.755	29.0442	12
> 15 contour
52.805	29.0378	15
52.853	29.018	15
52.855	29.0166	15
52.8841	28.968	15
52.855	28.9194	15
52.8529	28.918	15
52.805	28.8982	15
52.7571	28.918	15
52.755	28.9194	15
52.7259	28.968	15
52.755	29.0166	15
52.757	29.018	15
52.805	29.0378	15
> 18 contour
52.755	28.9799	18
52.805	29.0163	18
52.855	28.9799	18
52.8621	28.968	18
52.855	28.9561	18
52.805	28.9197	18
52.755	28.9561	18
52.7479	28.968	18
52.755	28.9799	18