> 2 contour
73.415	17.6308	2
73.4983	17.6589	2
73.5817	17.6658	2
73.665	17.6553	2
73.7483	17.6222	2
73.7757	17.5958	2
73.8317	17.5129	2
73.8319	17.5125	2
73.8758	17.4292	2
73.8871	17.3458	2
73.8736	17.2625	2
73.8317	17.1907	2
73.8264	17.1792	2
73.7547	17.0958	2
73.7483	17.0895	2
73.665	17.0551	2
73.5817	17.0425	2
73.4983	17.051	2
73.415	17.0828	2
73.3953	17.0958	2
73.3317	17.1233	2
73.2483	17.1103	2
73.2027	17.1792	2
73.2483	17.2609	2
73.249	17.2625	2
73.2483	17.2688	2
73.1982	17.3458	2
73.2483	17.4195	2
73.2495	17.4292	2
73.2717	17.5125	2
73.3317	17.5786	2
73.3634	17.5958	2
73.415	17.6308	2
> 4 contour
73.4983	17.5429	4
73.5817	17.5581	4
73.665	17.5255	4
73.6834	17.5125	4
73.7483	17.4398	4
73.7546	17.4292	4
73.7736	17.3458	4
73.7517	17.2625	4
73.7483	17.2574	4
73.665	17.1816	4
73.6561	17.1792	4
73.5817	17.1546	4
73.4983	17.1689	4
73.4802	17.1792	4
73.415	17.2219	4
73.3804	17.2625	4
73.3523	17.3458	4
73.377	17.4292	4
73.415	17.4807	4
73.4513	17.5125	4
73.4983	17.5429	4
> 6 contour
73.4983	17.4911	6
73.5817	17.5006	6
73.665	17.4459	6
73.6808	17.4292	6
73.7103	17.3458	6
73.6756	17.2625	6
73.665	17.2525	6
73.5817	17.2081	6
73.4983	17.223	6
73.4516	17.2625	6
73.415	17.3214	6
73.402	17.3458	6
73.415	17.3727	6
73.434	17.4292	6
73.4983	17.4911	6
> 8 contour
73.4983	17.4577	8
73.5817	17.4641	8
73.6275	17.4292	8
73.6603	17.3458	8
73.6052	17.2625	8
73.5817	17.2488	8
73.529	17.2625	8
73.4983	17.2724	8
73.443	17.3458	8
73.4688	17.4292	8
73.4983	17.4577	8