> 0.5 contour
15.913	51.7939	0.5
15.9963	51.7797	0.5
16.0581	51.7498	0.5
16.0797	51.7429	0.5
16.1091	51.7498	0.5
16.163	51.771	0.5
16.1982	51.7498	0.5
16.2463	51.7313	0.5
16.3297	51.7343	0.5
16.3817	51.6665	0.5
16.413	51.5839	0.5
16.4173	51.5832	0.5
16.4963	51.5477	0.5
16.5045	51.4998	0.5
16.4963	51.4503	0.5
16.4491	51.4165	0.5
16.413	51.4074	0.5
16.385	51.3332	0.5
16.3297	51.2878	0.5
16.2552	51.2498	0.5
16.2463	51.2439	0.5
16.163	51.2309	0.5
16.0797	51.2122	0.5
16.0169	51.2498	0.5
15.9963	51.2566	0.5
15.913	51.2596	0.5
15.8297	51.2842	0.5
15.7463	51.3131	0.5
15.7038	51.3332	0.5
15.663	51.3825	0.5
15.6479	51.4165	0.5
15.5797	51.4633	0.5
15.5402	51.4998	0.5
15.5797	51.5518	0.5
15.663	51.5418	0.5
15.685	51.5832	0.5
15.7463	51.6473	0.5
15.7979	51.6665	0.5
15.8297	51.7178	0.5
15.8456	51.7498	0.5
15.913	51.7939	0.5
> 1 contour
16.163	51.6752	1
16.1848	51.6665	1
16.2463	51.645	1
16.3165	51.5832	1
16.3011	51.4998	1
16.3234	51.4165	1
16.2463	51.3701	1
16.163	51.3553	1
16.0797	51.3383	1
15.9963	51.3389	1
15.913	51.3526	1
15.8297	51.3914	1
15.8024	51.4165	1
15.7695	51.4998	1
15.8048	51.5832	1
15.8297	51.599	1
15.913	51.6473	1
15.9963	51.66	1
16.0797	51.6634	1
16.1207	51.6665	1
16.163	51.6752	1
> 1.5 contour
15.913	51.6009	1.5
15.9963	51.6147	1.5
16.0797	51.6317	1.5
16.163	51.6332	1.5
16.2361	51.5832	1.5
16.237	51.4998	1.5
16.2183	51.4165	1.5
16.163	51.4045	1.5
16.0797	51.3597	1.5
15.9963	51.3649	1.5
15.913	51.3977	1.5
15.8835	51.4165	1.5
15.8433	51.4998	1.5
15.8857	51.5832	1.5
15.913	51.6009	1.5
> 2 contour
16.0797	51.6	2
16.163	51.5963	2
16.1822	51.5832	2
16.2029	51.4998	2
16.163	51.4492	2
16.137	51.4165	2
16.0797	51.381	2
15.9963	51.3909	2
15.944	51.4165	2
15.913	51.4729	2
15.8979	51.4998	2
15.913	51.5257	2
15.9963	51.576	2
16.0266	51.5832	2
16.0797	51.6	2
> 2.5 contour
15.9963	51.5525	2.5
16.0797	51.5733	2.5
16.163	51.5174	2.5
16.1689	51.4998	2.5
16.163	51.4924	2.5
16.1025	51.4165	2.5
16.0797	51.4023	2.5
15.9984	51.4165	2.5
15.9963	51.4171	2.5
15.9333	51.4998	2.5
15.9963	51.5525	2.5