> 4 contour
28.8403	39.4418	4
28.9236	39.4738	4
29.0069	39.4886	4
29.0903	39.4935	4
29.1736	39.4885	4
29.2569	39.4746	4
29.317	39.4337	4
29.3403	39.4172	4
29.4236	39.3554	4
29.4289	39.3503	4
29.4904	39.267	4
29.5069	39.2112	4
29.5166	39.1837	4
29.563	39.1003	4
29.5069	39.0249	4
29.4945	39.017	4
29.4384	38.9337	4
29.4236	38.9192	4
29.3403	38.8597	4
29.3273	38.8503	4
29.2569	38.8	4
29.1736	38.7888	4
29.0903	38.7829	4
29.0069	38.7872	4
28.9236	38.8015	4
28.8403	38.8331	4
28.8076	38.8503	4
28.7569	38.8787	4
28.7032	38.9337	4
28.6736	38.9822	4
28.6504	39.017	4
28.6254	39.1003	4
28.6274	39.1837	4
28.6152	39.267	4
28.6736	39.3331	4
28.7104	39.3503	4
28.7569	39.3973	4
28.8245	39.4337	4
28.8403	39.4418	4
> 8 contour
28.9236	39.305	8
29.0069	39.3363	8
29.0903	39.3434	8
29.1736	39.3338	8
29.2569	39.2901	8
29.2788	39.267	8
29.3251	39.1837	8
29.3284	39.1003	8
29.294	39.017	8
29.2569	38.9778	8
29.1736	38.9413	8
29.0903	38.9346	8
29.0069	38.9408	8
28.9236	38.9768	8
28.8763	39.017	8
28.8403	39.0899	8
28.8349	39.1003	8
28.8295	39.1837	8
28.8403	39.2013	8
28.8774	39.267	8
28.9236	39.305	8
> 12 contour
29.0069	39.2698	12
29.0903	39.2945	12
29.1551	39.267	12
29.1736	39.2574	12
29.2447	39.1837	12
29.2494	39.1003	12
29.1891	39.017	12
29.1736	39.0068	12
29.0903	38.9846	12
29.0104	39.017	12
29.0069	39.0188	12
28.9434	39.1003	12
28.9236	39.1583	12
28.9104	39.1837	12
28.9236	39.2011	12
29.002	39.267	12
29.0069	39.2698	12
> 16 contour
29.0069	39.225	16
29.0903	39.2567	16
29.1736	39.1975	16
29.1869	39.1837	16
29.1956	39.1003	16
29.1736	39.0731	16
29.0903	39.0242	16
29.0069	39.0823	16
28.9929	39.1003	16
28.9625	39.1837	16
29.0069	39.225	16