> 4 contour
274.218	8.33136	4
274.301	8.36779	4
274.385	8.36528	4
274.468	8.35285	4
274.551	8.31587	4
274.59	8.28697	4
274.635	8.24807	4
274.673	8.20363	4
274.711	8.1203	4
274.718	8.08238	4
274.73	8.03697	4
274.729	7.95363	4
274.718	7.91197	4
274.711	7.8703	4
274.665	7.78697	4
274.635	7.753	4
274.574	7.70363	4
274.551	7.68708	4
274.468	7.64813	4
274.385	7.6354	4
274.301	7.63174	4
274.218	7.67012	4
274.165	7.70363	4
274.135	7.72329	4
274.074	7.78697	4
274.051	7.82892	4
274.028	7.8703	4
274.005	7.95363	4
274.004	8.03697	4
274.023	8.1203	4
274.051	8.17197	4
274.068	8.20363	4
274.135	8.27744	4
274.149	8.28697	4
274.218	8.33136	4
> 8 contour
274.301	8.20817	8
274.385	8.20429	8
274.387	8.20363	8
274.468	8.18465	8
274.539	8.1203	8
274.551	8.08619	8
274.573	8.03697	8
274.571	7.95363	8
274.551	7.9155	8
274.531	7.8703	8
274.468	7.81277	8
274.385	7.79231	8
274.301	7.79273	8
274.218	7.85243	8
274.201	7.8703	8
274.159	7.95363	8
274.158	8.03697	8
274.199	8.1203	8
274.218	8.14138	8
274.295	8.20363	8
274.301	8.20817	8
> 12 contour
274.301	8.14216	12
274.385	8.16518	12
274.454	8.1203	12
274.468	8.10711	12
274.519	8.03697	12
274.517	7.95363	12
274.468	7.88986	12
274.43	7.8703	12
274.385	7.84762	12
274.301	7.86607	12
274.296	7.8703	12
274.225	7.95363	12
274.223	8.03697	12
274.277	8.1203	12
274.301	8.14216	12
> 16 contour
274.385	8.12653	16
274.394	8.1203	16
274.468	8.05074	16
274.478	8.03697	16
274.475	7.95363	16
274.468	7.9452	16
274.385	7.88257	16
274.301	7.91382	16
274.266	7.95363	16
274.263	8.03697	16
274.301	8.08658	16
274.368	8.1203	16
274.385	8.12653	16