> 6 contour
20.157	38.416	6
20.207	38.4253	6
20.257	38.4364	6
20.307	38.4345	6
20.357	38.4364	6
20.407	38.4253	6
20.457	38.416	6
20.5067	38.391	6
20.507	38.3908	6
20.5324	38.341	6
20.5386	38.291	6
20.557	38.2761	6
20.5872	38.241	6
20.607	38.2007	6
20.6124	38.191	6
20.6267	38.141	6
20.657	38.122	6
20.6778	38.091	6
20.6968	38.041	6
20.6772	37.991	6
20.657	37.9599	6
20.6432	37.941	6
20.607	37.9057	6
20.5915	37.891	6
20.557	37.8633	6
20.5078	37.841	6
20.507	37.8406	6
20.457	37.8154	6
20.407	37.8069	6
20.357	37.7953	6
20.307	37.7977	6
20.257	37.7953	6
20.207	37.8069	6
20.157	37.8154	6
20.107	37.8406	6
20.1062	37.841	6
20.057	37.8633	6
20.0225	37.891	6
20.007	37.9057	6
19.9708	37.941	6
19.957	37.9599	6
19.9368	37.991	6
19.9172	38.041	6
19.909	38.091	6
19.9081	38.141	6
19.9168	38.191	6
19.9369	38.241	6
19.957	38.2712	6
19.972	38.291	6
20.007	38.3248	6
20.0242	38.341	6
20.057	38.3674	6
20.107	38.3908	6
20.1073	38.391	6
20.157	38.416	6
> 12 contour
20.257	38.2984	12
20.307	38.2947	12
20.357	38.2984	12
20.3626	38.291	12
20.4029	38.241	12
20.407	38.2383	12
20.4245	38.241	12
20.457	38.25	12
20.4666	38.241	12
20.4879	38.191	12
20.4973	38.141	12
20.507	38.1149	12
20.5336	38.091	12
20.5142	38.041	12
20.507	38.0315	12
20.4781	37.991	12
20.457	37.972	12
20.407	37.9499	12
20.3831	37.941	12
20.357	37.929	12
20.307	37.932	12
20.257	37.929	12
20.2309	37.941	12
20.207	37.9499	12
20.157	37.972	12
20.1359	37.991	12
20.107	38.0315	12
20.0998	38.041	12
20.0804	38.091	12
20.0797	38.141	12
20.0996	38.191	12
20.107	38.2006	12
20.1374	38.241	12
20.157	38.2577	12
20.207	38.2789	12
20.2413	38.291	12
20.257	38.2984	12
> 18 contour
20.307	38.2438	18
20.3449	38.241	18
20.357	38.2368	18
20.407	38.2066	18
20.4389	38.191	18
20.457	38.1611	18
20.4634	38.141	18
20.4684	38.091	18
20.457	38.068	18
20.4412	38.041	18
20.407	38.0128	18
20.3646	37.991	18
20.357	37.9869	18
20.307	37.9827	18
20.257	37.9869	18
20.2494	37.991	18
20.207	38.0128	18
20.1728	38.041	18
20.157	38.068	18
20.1456	38.091	18
20.1467	38.141	18
20.157	38.1611	18
20.1751	38.191	18
20.207	38.2168	18
20.257	38.2402	18
20.2691	38.241	18
20.307	38.2438	18
> 24 contour
20.257	38.1979	24
20.307	38.2129	24
20.3309	38.191	24
20.357	38.1748	24
20.407	38.16	24
20.4208	38.141	24
20.4245	38.091	24
20.407	38.0667	24
20.3783	38.041	24
20.357	38.0278	24
20.307	38.0131	24
20.257	38.0278	24
20.2357	38.041	24
20.207	38.0667	24
20.1895	38.091	24
20.1932	38.141	24
20.207	38.16	24
20.2449	38.191	24
20.257	38.1979	24
> 30 contour
20.257	38.1633	30
20.307	38.1866	30
20.357	38.1546	30
20.3817	38.141	30
20.3873	38.091	30
20.357	38.0625	30
20.3096	38.041	30
20.307	38.04	30
20.3044	38.041	30
20.257	38.0625	30
20.2267	38.091	30
20.2323	38.141	30
20.257	38.1633	30