> 4 contour
81.503	30.8528	4
81.5242	30.838	4
81.553	30.8217	4
81.603	30.8138	4
81.6348	30.788	4
81.653	30.7744	4
81.692	30.738	4
81.703	30.7009	4
81.7163	30.688	4
81.753	30.6384	4
81.7533	30.638	4
81.7758	30.588	4
81.7859	30.538	4
81.7862	30.488	4
81.7767	30.438	4
81.803	30.4162	4
81.8192	30.388	4
81.803	30.3697	4
81.753	30.3849	4
81.7191	30.338	4
81.703	30.3222	4
81.6673	30.288	4
81.653	30.2764	4
81.603	30.252	4
81.57	30.238	4
81.553	30.2301	4
81.503	30.2239	4
81.453	30.2149	4
81.403	30.2246	4
81.353	30.2307	4
81.3371	30.238	4
81.303	30.2521	4
81.253	30.2761	4
81.2382	30.288	4
81.203	30.3214	4
81.1863	30.338	4
81.153	30.3849	4
81.1511	30.388	4
81.1296	30.438	4
81.1201	30.488	4
81.1203	30.538	4
81.1303	30.588	4
81.119	30.638	4
81.103	30.6791	4
81.0982	30.688	4
81.103	30.6931	4
81.1159	30.688	4
81.153	30.6766	4
81.1632	30.688	4
81.1781	30.738	4
81.1976	30.788	4
81.203	30.8008	4
81.253	30.832	4
81.303	30.8138	4
81.353	30.7915	4
81.403	30.7975	4
81.453	30.807	4
81.4786	30.838	4
81.503	30.8528	4
> 8 contour
81.403	30.7149	8
81.453	30.7264	8
81.503	30.7158	8
81.553	30.7066	8
81.5648	30.688	8
81.603	30.6551	8
81.6427	30.638	8
81.653	30.6244	8
81.665	30.588	8
81.653	30.5602	8
81.6393	30.538	8
81.6473	30.488	8
81.6401	30.438	8
81.603	30.398	8
81.5795	30.388	8
81.553	30.366	8
81.503	30.3506	8
81.453	30.3394	8
81.403	30.3523	8
81.353	30.3672	8
81.3273	30.388	8
81.303	30.4155	8
81.2845	30.438	8
81.2661	30.488	8
81.267	30.538	8
81.2877	30.588	8
81.2632	30.638	8
81.303	30.6551	8
81.353	30.657	8
81.3799	30.688	8
81.403	30.7149	8
> 12 contour
81.403	30.6535	12
81.453	30.6672	12
81.503	30.6548	12
81.5184	30.638	12
81.553	30.5926	12
81.5571	30.588	12
81.583	30.538	12
81.603	30.5049	12
81.6126	30.488	12
81.603	30.4525	12
81.5641	30.438	12
81.553	30.4359	12
81.503	30.4045	12
81.453	30.3898	12
81.403	30.4062	12
81.353	30.4361	12
81.3512	30.438	12
81.3219	30.488	12
81.3229	30.538	12
81.3495	30.588	12
81.353	30.5919	12
81.3888	30.638	12
81.403	30.6535	12
> 16 contour
81.403	30.6185	16
81.453	30.629	16
81.5008	30.588	16
81.503	30.5862	16
81.5485	30.538	16
81.5473	30.488	16
81.503	30.4424	16
81.4932	30.438	16
81.453	30.4195	16
81.415	30.438	16
81.403	30.443	16
81.3564	30.488	16
81.3574	30.538	16
81.3763	30.588	16
81.403	30.6185	16
> 20 contour
81.403	30.5901	20
81.453	30.601	20
81.4681	30.588	20
81.503	30.5603	20
81.5241	30.538	20
81.5189	30.488	20
81.503	30.4717	20
81.453	30.4447	20
81.403	30.4684	20
81.3827	30.488	20
81.3821	30.538	20
81.4012	30.588	20
81.403	30.5901	20