> 0.8 contour
-174.637	51.4	0.8
-174.641	51.425	0.8
-174.642	51.45	0.8
-174.639	51.475	0.8
-174.634	51.5	0.8
-174.626	51.525	0.8
-174.623	51.5309	0.8
-174.614	51.55	0.8
-174.599	51.575	0.8
-174.598	51.576	0.8
-174.578	51.6	0.8
-174.573	51.6051	0.8
-174.549	51.625	0.8
-174.548	51.6256	0.8
-174.523	51.6414	0.8
-174.505	51.65	0.8
-174.498	51.6541	0.8
-174.473	51.6685	0.8
-174.465	51.675	0.8
-174.448	51.6865	0.8
-174.428	51.7	0.8
-174.423	51.7027	0.8
-174.398	51.7142	0.8
-174.373	51.7217	0.8
-174.353	51.725	0.8
-174.348	51.7258	0.8
-174.323	51.727	0.8
-174.298	51.725	0.8
-174.298	51.725	0.8
-174.273	51.72	0.8
-174.248	51.7113	0.8
-174.227	51.7	0.8
-174.223	51.6977	0.8
-174.198	51.6776	0.8
-174.196	51.675	0.8
-174.178	51.65	0.8
-174.173	51.6371	0.8
-174.17	51.625	0.8
-174.167	51.6	0.8
-174.148	51.5792	0.8
-174.13	51.575	0.8
-174.123	51.5715	0.8
-174.098	51.5559	0.8
-174.091	51.55	0.8
-174.073	51.525	0.8
-174.073	51.5245	0.8
-174.062	51.5	0.8
-174.055	51.475	0.8
-174.053	51.45	0.8
-174.054	51.425	0.8
-174.059	51.4	0.8
> 1.6 contour
-174.488	51.4	1.6
-174.496	51.425	1.6
-174.498	51.4496	1.6
-174.498	51.45	1.6
-174.498	51.4503	1.6
-174.495	51.475	1.6
-174.486	51.5	1.6
-174.473	51.5171	1.6
-174.467	51.525	1.6
-174.448	51.5407	1.6
-174.437	51.55	1.6
-174.423	51.5592	1.6
-174.399	51.575	1.6
-174.398	51.5755	1.6
-174.373	51.5887	1.6
-174.348	51.595	1.6
-174.323	51.5956	1.6
-174.298	51.5907	1.6
-174.273	51.5793	1.6
-174.267	51.575	1.6
-174.248	51.561	1.6
-174.237	51.55	1.6
-174.223	51.5328	1.6
-174.217	51.525	1.6
-174.204	51.5	1.6
-174.198	51.4813	1.6
-174.196	51.475	1.6
-174.193	51.45	1.6
-174.195	51.425	1.6
-174.198	51.4153	1.6
-174.202	51.4	1.6
> 2.4 contour
-174.417	51.4	2.4
-174.423	51.4104	2.4
-174.431	51.425	2.4
-174.436	51.45	2.4
-174.431	51.475	2.4
-174.423	51.488	2.4
-174.416	51.5	2.4
-174.398	51.5168	2.4
-174.384	51.525	2.4
-174.373	51.5312	2.4
-174.348	51.5372	2.4
-174.323	51.5339	2.4
-174.304	51.525	2.4
-174.298	51.5216	2.4
-174.275	51.5	2.4
-174.273	51.4961	2.4
-174.262	51.475	2.4
-174.257	51.45	2.4
-174.261	51.425	2.4
-174.273	51.4022	2.4
-174.274	51.4	2.4
> 3.2 contour
-174.358	51.4	3.2
-174.373	51.4055	3.2
-174.392	51.425	3.2
-174.398	51.442	3.2
-174.401	51.45	3.2
-174.398	51.4577	3.2
-174.392	51.475	3.2
-174.373	51.4939	3.2
-174.356	51.5	3.2
-174.348	51.5029	3.2
-174.339	51.5	3.2
-174.323	51.495	3.2
-174.302	51.475	3.2
-174.298	51.4626	3.2
-174.294	51.45	3.2
-174.298	51.4369	3.2
-174.302	51.425	3.2
-174.323	51.4044	3.2
-174.337	51.4	3.2
> 4 contour
-174.348	51.4827	4
-174.334	51.475	4
-174.323	51.464	4
-174.315	51.45	4
-174.323	51.4358	4
-174.334	51.425	4
-174.348	51.417	4
-174.362	51.425	4
-174.373	51.4368	4
-174.381	51.45	4
-174.373	51.463	4
-174.361	51.475	4
-174.348	51.4827	4