> 2 contour
15.8397	51.7716	2
15.923	51.8261	2
16.0063	51.8398	2
16.0897	51.839	2
16.173	51.8281	2
16.2563	51.806	2
16.3204	51.7695	2
16.3397	51.7557	2
16.4101	51.6862	2
16.423	51.6409	2
16.4361	51.6028	2
16.423	51.5823	2
16.3896	51.5195	2
16.3397	51.4671	2
16.2925	51.4362	2
16.2563	51.4175	2
16.173	51.3922	2
16.0897	51.365	2
16.0063	51.3713	2
15.923	51.3769	2
15.8397	51.4279	2
15.8231	51.4362	2
15.7655	51.5195	2
15.7563	51.5353	2
15.7077	51.6028	2
15.7563	51.665	2
15.7707	51.6862	2
15.8369	51.7695	2
15.8397	51.7716	2
> 4 contour
15.923	51.7118	4
16.0063	51.7606	4
16.0897	51.7642	4
16.173	51.7462	4
16.2563	51.6937	4
16.265	51.6862	4
16.3105	51.6028	4
16.2563	51.5283	4
16.2492	51.5195	4
16.173	51.4699	4
16.0897	51.4445	4
16.0063	51.4437	4
15.923	51.469	4
15.8776	51.5195	4
15.8514	51.6028	4
15.9017	51.6862	4
15.923	51.7118	4
> 6 contour
16.0063	51.7178	6
16.0897	51.7337	6
16.173	51.6995	6
16.1927	51.6862	6
16.2493	51.6028	6
16.173	51.5203	6
16.1711	51.5195	6
16.0897	51.4825	6
16.0063	51.4821	6
15.9447	51.5195	6
15.923	51.5622	6
15.9054	51.6028	6
15.923	51.6271	6
15.9661	51.6862	6
16.0063	51.7178	6
> 8 contour
16.0897	51.7032	8
16.1262	51.6862	8
16.173	51.659	8
16.2185	51.6028	8
16.173	51.5536	8
16.0897	51.5201	8
16.0063	51.5218	8
15.9572	51.6028	8
16.0063	51.6684	8
16.0329	51.6862	8
16.0897	51.7032	8