> 2 contour
15.6577	51.432	2
15.741	51.4449	2
15.8243	51.4617	2
15.9077	51.4722	2
15.991	51.4391	2
16.0743	51.4387	2
16.1359	51.4028	2
16.1577	51.3869	2
16.241	51.3409	2
16.2749	51.3195	2
16.3243	51.2948	2
16.3607	51.2362	2
16.361	51.1528	2
16.3243	51.0862	2
16.3171	51.0695	2
16.2428	50.9862	2
16.241	50.9848	2
16.1577	50.9319	2
16.0743	50.9058	2
16.0589	50.9028	2
15.991	50.8829	2
15.9077	50.8706	2
15.8243	50.8579	2
15.741	50.8965	2
15.7233	50.9028	2
15.6577	50.9201	2
15.5743	50.9649	2
15.5448	50.9862	2
15.491	51.045	2
15.4716	51.0695	2
15.4487	51.1528	2
15.4667	51.2362	2
15.4789	51.3195	2
15.491	51.3308	2
15.5743	51.3806	2
15.5988	51.4028	2
15.6577	51.432	2
> 4 contour
15.8243	51.364	4
15.9077	51.3581	4
15.991	51.329	4
16.0129	51.3195	4
16.0743	51.3013	4
16.1577	51.2469	4
16.171	51.2362	4
16.1634	51.1528	4
16.1577	51.1393	4
16.131	51.0695	4
16.0743	51.025	4
15.991	50.9918	4
15.9466	50.9862	4
15.9077	50.9777	4
15.8243	50.9766	4
15.8034	50.9862	4
15.741	51.0063	4
15.6577	51.0653	4
15.6531	51.0695	4
15.611	51.1528	4
15.6436	51.2362	4
15.6577	51.2573	4
15.741	51.3138	4
15.7498	51.3195	4
15.8243	51.364	4
> 6 contour
15.741	51.2473	6
15.8243	51.3052	6
15.9077	51.3039	6
15.991	51.2743	6
16.0743	51.2392	6
16.0786	51.2362	6
16.1092	51.1528	6
16.0743	51.1048	6
16.0313	51.0695	6
15.991	51.0445	6
15.9077	51.025	6
15.8243	51.0425	6
15.7555	51.0695	6
15.741	51.0767	6
15.6876	51.1528	6
15.7279	51.2362	6
15.741	51.2473	6
> 8 contour
15.8243	51.2528	8
15.9077	51.2745	8
15.978	51.2362	8
15.991	51.2261	8
16.0618	51.1528	8
15.991	51.0886	8
15.913	51.0695	8
15.9077	51.0679	8
15.9027	51.0695	8
15.8243	51.1128	8
15.7472	51.1528	8
15.8013	51.2362	8
15.8243	51.2528	8
> 10 contour
15.9077	51.2452	10
15.9242	51.2362	10
15.991	51.1847	10
16.0218	51.1528	10
15.991	51.1249	10
15.9077	51.095	10
15.8392	51.1528	10
15.8817	51.2362	10
15.9077	51.2452	10