> 0.5 contour
73.415	17.6852	0.5
73.4983	17.7122	0.5
73.5817	17.7199	0.5
73.665	17.7088	0.5
73.7483	17.6795	0.5
73.7487	17.6792	0.5
73.8317	17.6032	0.5
73.8392	17.5958	0.5
73.8992	17.5125	0.5
73.915	17.4639	0.5
73.9286	17.4292	0.5
73.939	17.3458	0.5
73.9248	17.2625	0.5
73.915	17.2406	0.5
73.8915	17.1792	0.5
73.8317	17.1114	0.5
73.8187	17.0958	0.5
73.7483	17.0281	0.5
73.6803	17.0125	0.5
73.665	17.008	0.5
73.5817	16.9944	0.5
73.4983	17.0019	0.5
73.4655	17.0125	0.5
73.415	17.0247	0.5
73.3317	17.0715	0.5
73.3051	17.0125	0.5
73.269	16.9292	0.5
73.2483	16.8758	0.5
73.1925	16.9292	0.5
73.165	16.9578	0.5
73.1133	17.0125	0.5
73.0817	17.0601	0.5
73.059	17.0958	0.5
73.0203	17.1792	0.5
73.0004	17.2625	0.5
72.9983	17.2911	0.5
72.9924	17.3458	0.5
72.9983	17.4234	0.5
72.9986	17.4292	0.5
73.0143	17.5125	0.5
73.0472	17.5958	0.5
73.0817	17.6514	0.5
73.0995	17.5958	0.5
73.165	17.5657	0.5
73.2483	17.558	0.5
73.2772	17.5958	0.5
73.3317	17.6415	0.5
73.404	17.6792	0.5
73.415	17.6852	0.5
> 1 contour
73.415	17.5245	1
73.4983	17.5731	1
73.5817	17.5823	1
73.665	17.5627	1
73.7356	17.5125	1
73.7483	17.498	1
73.7893	17.4292	1
73.8034	17.3458	1
73.7868	17.2625	1
73.7483	17.2045	1
73.72	17.1792	1
73.665	17.1441	1
73.5817	17.1242	1
73.4983	17.1348	1
73.4202	17.1792	1
73.415	17.1826	1
73.3474	17.2625	1
73.3337	17.3458	1
73.3469	17.4292	1
73.3584	17.5125	1
73.415	17.5245	1
> 1.5 contour
73.5817	17.5208	1.5
73.6006	17.5125	1.5
73.665	17.4802	1.5
73.7129	17.4292	1.5
73.7342	17.3458	1.5
73.7086	17.2625	1.5
73.665	17.221	1.5
73.5817	17.1898	1.5
73.4983	17.2008	1.5
73.4252	17.2625	1.5
73.415	17.2726	1.5
73.368	17.3458	1.5
73.415	17.4236	1.5
73.4174	17.4292	1.5
73.4983	17.5078	1.5
73.5477	17.5125	1.5
73.5817	17.5208	1.5
> 2 contour
73.4983	17.4841	2
73.5817	17.4828	2
73.6527	17.4292	2
73.665	17.3946	2
73.6841	17.3458	2
73.665	17.3032	2
73.6413	17.2625	2
73.5817	17.2278	2
73.4983	17.2463	2
73.4792	17.2625	2
73.415	17.3259	2
73.4022	17.3458	2
73.415	17.367	2
73.4418	17.4292	2
73.4983	17.4841	2
> 2.5 contour
73.4983	17.4604	2.5
73.5817	17.4484	2.5
73.6071	17.4292	2.5
73.6484	17.3458	2.5
73.5817	17.2653	2.5
73.4983	17.2934	2.5
73.4453	17.3458	2.5
73.4662	17.4292	2.5
73.4983	17.4604	2.5
> 3 contour
73.4983	17.4367	3
73.5333	17.4292	3
73.5817	17.4101	3
73.6216	17.3458	3
73.5817	17.2976	3
73.4983	17.3414	3
73.4938	17.3458	3
73.4905	17.4292	3
73.4983	17.4367	3