> 0.5 contour
233.515	40.6803	0.5
233.599	40.7179	0.5
233.682	40.7054	0.5
233.765	40.696	0.5
233.849	40.6691	0.5
233.868	40.6599	0.5
233.932	40.6336	0.5
234.007	40.5766	0.5
234.015	40.5677	0.5
234.074	40.4933	0.5
234.097	40.4099	0.5
234.097	40.3266	0.5
234.071	40.2433	0.5
234.015	40.177	0.5
233.999	40.1599	0.5
233.932	40.107	0.5
233.863	40.0766	0.5
233.849	40.0697	0.5
233.765	40.0421	0.5
233.682	40.0288	0.5
233.599	40.0194	0.5
233.515	40.0613	0.5
233.476	40.0766	0.5
233.432	40.0916	0.5
233.349	40.1481	0.5
233.335	40.1599	0.5
233.269	40.2433	0.5
233.265	40.2554	0.5
233.237	40.3266	0.5
233.237	40.4099	0.5
233.265	40.4876	0.5
233.267	40.4933	0.5
233.33	40.5766	0.5
233.349	40.5925	0.5
233.432	40.6482	0.5
233.466	40.6599	0.5
233.515	40.6803	0.5
> 1 contour
233.599	40.5778	1
233.607	40.5766	1
233.682	40.5726	1
233.765	40.5604	1
233.849	40.5084	1
233.866	40.4933	1
233.92	40.4099	1
233.921	40.3266	1
233.864	40.2433	1
233.849	40.2301	1
233.765	40.1788	1
233.682	40.1617	1
233.604	40.1599	1
233.599	40.1597	1
233.598	40.1599	1
233.515	40.2017	1
233.462	40.2433	1
233.432	40.2918	1
233.41	40.3266	1
233.409	40.4099	1
233.432	40.448	1
233.458	40.4933	1
233.515	40.5393	1
233.597	40.5766	1
233.599	40.5778	1
> 1.5 contour
233.599	40.5181	1.5
233.682	40.5277	1.5
233.765	40.4967	1.5
233.77	40.4933	1.5
233.846	40.4099	1.5
233.846	40.3266	1.5
233.765	40.2433	1.5
233.765	40.2431	1.5
233.682	40.2092	1.5
233.599	40.2206	1.5
233.564	40.2433	1.5
233.515	40.2759	1.5
233.473	40.3266	1.5
233.472	40.4099	1.5
233.515	40.4637	1.5
233.56	40.4933	1.5
233.599	40.5181	1.5
> 2 contour
233.599	40.4699	2
233.682	40.489	2
233.765	40.4613	2
233.814	40.4099	2
233.813	40.3266	2
233.765	40.277	2
233.682	40.2487	2
233.599	40.2689	2
233.525	40.3266	2
233.522	40.4099	2
233.599	40.4699	2
> 2.5 contour
233.599	40.4295	2.5
233.682	40.4705	2.5
233.765	40.4275	2.5
233.782	40.4099	2.5
233.781	40.3266	2.5
233.765	40.3108	2.5
233.682	40.2679	2.5
233.599	40.3099	2.5
233.577	40.3266	2.5
233.574	40.4099	2.5
233.599	40.4295	2.5