> 0.4 contour
-174.602	51.425	0.4
-174.627	51.4326	0.4
-174.652	51.442	0.4
-174.669	51.45	0.4
-174.677	51.4541	0.4
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-174.737	51.5	0.4
-174.752	51.5175	0.4
-174.758	51.525	0.4
-174.774	51.55	0.4
-174.777	51.5561	0.4
-174.786	51.575	0.4
-174.795	51.6	0.4
-174.802	51.6244	0.4
-174.802	51.625	0.4
-174.807	51.65	0.4
-174.811	51.675	0.4
-174.813	51.7	0.4
-174.812	51.725	0.4
-174.808	51.75	0.4
-174.802	51.7744	0.4
-174.802	51.775	0.4
-174.792	51.8	0.4
-174.779	51.825	0.4
-174.777	51.8276	0.4
-174.761	51.85	0.4
-174.752	51.8602	0.4
-174.736	51.875	0.4
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-174.702	51.8979	0.4
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-174.477	51.9824	0.4
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-174.379	51.95	0.4
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-174.291	51.875	0.4
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-174.214	51.6	0.4
-174.225	51.575	0.4
-174.227	51.5705	0.4
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-174.272	51.5	0.4
-174.277	51.4951	0.4
-174.298	51.475	0.4
-174.302	51.4721	0.4
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-174.333	51.45	0.4
-174.352	51.439	0.4
-174.377	51.4265	0.4
-174.38	51.425	0.4
> 0.8 contour
-174.527	51.8539	0.8
-174.502	51.858	0.8
-174.477	51.8577	0.8
-174.452	51.8525	0.8
-174.445	51.85	0.8
-174.427	51.8428	0.8
-174.402	51.8271	0.8
-174.399	51.825	0.8
-174.377	51.8043	0.8
-174.373	51.8	0.8
-174.355	51.775	0.8
-174.352	51.7669	0.8
-174.344	51.75	0.8
-174.338	51.725	0.8
-174.337	51.7	0.8
-174.341	51.675	0.8
-174.349	51.65	0.8
-174.352	51.6443	0.8
-174.36	51.625	0.8
-174.373	51.6	0.8
-174.377	51.5946	0.8
-174.394	51.575	0.8
-174.402	51.5674	0.8
-174.427	51.5507	0.8
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-174.599	51.575	0.8
-174.602	51.5789	0.8
-174.619	51.6	0.8
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-174.637	51.625	0.8
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-174.654	51.65	0.8
-174.663	51.675	0.8
-174.667	51.7	0.8
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-174.646	51.775	0.8
-174.627	51.7986	0.8
-174.626	51.8	0.8
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-174.594	51.825	0.8
-174.577	51.8348	0.8
-174.552	51.8461	0.8
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-174.527	51.8539	0.8
> 1.2 contour
-174.552	51.7798	1.2
-174.527	51.7919	1.2
-174.502	51.796	1.2
-174.477	51.7929	1.2
-174.452	51.7819	1.2
-174.442	51.775	1.2
-174.427	51.7599	1.2
-174.419	51.75	1.2
-174.407	51.725	1.2
-174.404	51.7	1.2
-174.408	51.675	1.2
-174.419	51.65	1.2
-174.427	51.6394	1.2
-174.441	51.625	1.2
-174.452	51.6166	1.2
-174.477	51.6055	1.2
-174.502	51.6026	1.2
-174.527	51.6074	1.2
-174.552	51.6222	1.2
-174.555	51.625	1.2
-174.577	51.6494	1.2
-174.577	51.65	1.2
-174.592	51.675	1.2
-174.597	51.7	1.2
-174.594	51.725	1.2
-174.582	51.75	1.2
-174.577	51.7569	1.2
-174.558	51.775	1.2
-174.552	51.7798	1.2
> 1.6 contour
-174.527	51.7506	1.6
-174.502	51.7593	1.6
-174.477	51.7512	1.6
-174.475	51.75	1.6
-174.452	51.7273	1.6
-174.45	51.725	1.6
-174.442	51.7	1.6
-174.45	51.675	1.6
-174.452	51.6725	1.6
-174.475	51.65	1.6
-174.477	51.6484	1.6
-174.502	51.6405	1.6
-174.527	51.6498	1.6
-174.527	51.65	1.6
-174.551	51.675	1.6
-174.552	51.6759	1.6
-174.56	51.7	1.6
-174.552	51.725	1.6
-174.552	51.7256	1.6
-174.528	51.75	1.6
-174.527	51.7506	1.6
> 2 contour
-174.502	51.7369	2
-174.481	51.725	2
-174.477	51.7206	2
-174.465	51.7	2
-174.477	51.6793	2
-174.481	51.675	2
-174.502	51.6631	2
-174.522	51.675	2
-174.527	51.6802	2
-174.538	51.7	2
-174.527	51.72	2
-174.522	51.725	2
-174.502	51.7369	2