> 2 contour
15.9323	51.8229	2
15.9352	51.8213	2
16.0157	51.8043	2
16.099	51.7823	2
16.1823	51.75	2
16.2241	51.738	2
16.2657	51.7251	2
16.3333	51.6547	2
16.3305	51.5713	2
16.3098	51.488	2
16.2657	51.4206	2
16.2283	51.4047	2
16.1823	51.3936	2
16.099	51.3606	2
16.0157	51.3472	2
15.9323	51.3223	2
15.849	51.3568	2
15.7657	51.3969	2
15.7511	51.4047	2
15.6823	51.4653	2
15.6664	51.488	2
15.635	51.5713	2
15.663	51.6547	2
15.6823	51.6703	2
15.7657	51.7183	2
15.7851	51.738	2
15.849	51.7875	2
15.9294	51.8213	2
15.9323	51.8229	2
> 4 contour
16.0157	51.7397	4
16.019	51.738	4
16.099	51.7036	4
16.1691	51.6547	4
16.1823	51.64	4
16.23	51.5713	4
16.1823	51.5013	4
16.1713	51.488	4
16.099	51.4376	4
16.0157	51.4179	4
15.9323	51.4103	4
15.849	51.4599	4
15.8091	51.488	4
15.7753	51.5713	4
15.821	51.6547	4
15.849	51.6829	4
15.9323	51.738	4
15.9334	51.738	4
16.0157	51.7397	4
> 6 contour
15.9323	51.6701	6
16.0157	51.6997	6
16.0936	51.6547	6
16.099	51.6521	6
16.1766	51.5713	6
16.0996	51.488	6
16.099	51.4876	6
16.0157	51.447	6
15.9323	51.4592	6
15.8935	51.488	6
15.849	51.523	6
15.8135	51.5713	6
15.849	51.6194	6
15.9116	51.6547	6
15.9323	51.6701	6
> 8 contour
16.0157	51.6603	8
16.0254	51.6547	8
16.099	51.6198	8
16.1456	51.5713	8
16.099	51.5211	8
16.0401	51.488	8
16.0157	51.4761	8
15.9741	51.488	8
15.9323	51.5089	8
15.8534	51.5713	8
15.9323	51.6225	8
16.0027	51.6547	8
16.0157	51.6603	8
> 10 contour
15.9323	51.5809	10
16.0157	51.6315	10
16.099	51.5875	10
16.1145	51.5713	10
16.099	51.5546	10
16.0157	51.5054	10
15.9323	51.5596	10
15.9175	51.5713	10
15.9323	51.5809	10