> 0.9 contour
-174.651	51.4	0.9
-174.651	51.425	0.9
-174.649	51.45	0.9
-174.644	51.475	0.9
-174.636	51.5	0.9
-174.627	51.5202	0.9
-174.624	51.525	0.9
-174.61	51.55	0.9
-174.602	51.5626	0.9
-174.592	51.575	0.9
-174.577	51.5924	0.9
-174.568	51.6	0.9
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-174.533	51.625	0.9
-174.527	51.6291	0.9
-174.502	51.64	0.9
-174.477	51.647	0.9
-174.465	51.65	0.9
-174.452	51.6545	0.9
-174.427	51.6731	0.9
-174.425	51.675	0.9
-174.402	51.6925	0.9
-174.388	51.7	0.9
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-174.302	51.7204	0.9
-174.277	51.7189	0.9
-174.252	51.7141	0.9
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-174.16	51.65	0.9
-174.152	51.6262	0.9
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-174.147	51.6	0.9
-174.127	51.579	0.9
-174.102	51.575	0.9
-174.102	51.575	0.9
-174.077	51.5665	0.9
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-174.031	51.525	0.9
-174.027	51.517	0.9
-174.017	51.5	0.9
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-174.002	51.45	0.9
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-173.999	51.4	0.9
> 1.8 contour
-174.498	51.4	1.8
-174.5	51.425	1.8
-174.497	51.45	1.8
-174.489	51.475	1.8
-174.477	51.4949	1.8
-174.473	51.5	1.8
-174.452	51.522	1.8
-174.448	51.525	1.8
-174.427	51.5387	1.8
-174.409	51.55	1.8
-174.402	51.5539	1.8
-174.377	51.5683	1.8
-174.361	51.575	1.8
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-174.277	51.5831	1.8
-174.256	51.575	1.8
-174.252	51.5733	1.8
-174.227	51.558	1.8
-174.217	51.55	1.8
-174.202	51.5355	1.8
-174.192	51.525	1.8
-174.177	51.504	1.8
-174.174	51.5	1.8
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-174.154	51.45	1.8
-174.152	51.4283	1.8
-174.151	51.425	1.8
-174.152	51.4212	1.8
-174.153	51.4	1.8
> 2.7 contour
-174.426	51.4	2.7
-174.427	51.4078	2.7
-174.429	51.425	2.7
-174.427	51.4408	2.7
-174.425	51.45	2.7
-174.413	51.475	2.7
-174.402	51.4886	2.7
-174.389	51.5	2.7
-174.377	51.5093	2.7
-174.352	51.5209	2.7
-174.328	51.525	2.7
-174.327	51.5252	2.7
-174.324	51.525	2.7
-174.302	51.5231	2.7
-174.277	51.514	2.7
-174.257	51.5	2.7
-174.252	51.4948	2.7
-174.235	51.475	2.7
-174.227	51.455	2.7
-174.224	51.45	2.7
-174.22	51.425	2.7
-174.223	51.4	2.7
> 3.6 contour
-174.384	51.4	3.6
-174.391	51.425	3.6
-174.384	51.45	3.6
-174.377	51.4602	3.6
-174.362	51.475	3.6
-174.352	51.4819	3.6
-174.327	51.4895	3.6
-174.302	51.4831	3.6
-174.29	51.475	3.6
-174.277	51.4627	3.6
-174.267	51.45	3.6
-174.26	51.425	3.6
-174.267	51.4	3.6
> 4.5 contour
-174.355	51.4	4.5
-174.368	51.425	4.5
-174.354	51.45	4.5
-174.352	51.4527	4.5
-174.327	51.4664	4.5
-174.302	51.4534	4.5
-174.298	51.45	4.5
-174.284	51.425	4.5
-174.297	51.4	4.5