> 20 contour
29.639	-5.91702	20
29.689	-5.90146	20
29.739	-5.88692	20
29.789	-5.88715	20
29.839	-5.88686	20
29.889	-5.90146	20
29.939	-5.91695	20
29.9446	-5.928	20
29.939	-5.95267	20
29.9169	-5.978	20
29.939	-5.98747	20
29.9868	-6.028	20
29.989	-6.02877	20
30.039	-6.04461	20
30.0685	-6.078	20
30.077	-6.128	20
30.089	-6.14528	20
30.139	-6.17533	20
30.141	-6.178	20
30.144	-6.228	20
30.139	-6.2357	20
30.1162	-6.278	20
30.1388	-6.328	20
30.089	-6.35747	20
30.0549	-6.378	20
30.039	-6.40499	20
30.0195	-6.428	20
30.039	-6.44916	20
30.0635	-6.478	20
30.039	-6.50573	20
30.0098	-6.528	20
29.989	-6.54273	20
29.939	-6.57473	20
29.9274	-6.578	20
29.889	-6.59049	20
29.839	-6.60581	20
29.789	-6.60532	20
29.739	-6.60572	20
29.689	-6.59049	20
29.6507	-6.578	20
29.639	-6.57468	20
29.589	-6.54343	20
29.567	-6.528	20
29.539	-6.50649	20
29.5139	-6.478	20
29.489	-6.43851	20
29.4816	-6.428	20
29.4548	-6.378	20
29.4392	-6.328	20
29.439	-6.3265	20
29.4308	-6.278	20
29.4289	-6.228	20
29.4351	-6.178	20
29.439	-6.16461	20
29.4492	-6.128	20
29.4728	-6.078	20
29.489	-6.05294	20
29.503	-6.028	20
29.539	-5.98489	20
29.5472	-5.978	20
29.589	-5.94831	20
29.6221	-5.928	20
29.639	-5.91702	20
> 40 contour
29.689	-6.05504	40
29.739	-6.05897	40
29.789	-6.06751	40
29.839	-6.07419	40
29.8458	-6.078	40
29.889	-6.10305	40
29.92	-6.128	40
29.939	-6.14867	40
29.989	-6.17539	40
29.9911	-6.178	40
29.989	-6.18291	40
29.9674	-6.228	40
29.9643	-6.278	40
29.9493	-6.328	40
29.952	-6.378	40
29.939	-6.39199	40
29.889	-6.39108	40
29.8636	-6.428	40
29.839	-6.4602	40
29.789	-6.46198	40
29.739	-6.46	40
29.689	-6.43379	40
29.6791	-6.428	40
29.639	-6.40418	40
29.617	-6.378	40
29.5923	-6.328	40
29.589	-6.31149	40
29.578	-6.278	40
29.5742	-6.228	40
29.5861	-6.178	40
29.589	-6.1729	40
29.608	-6.128	40
29.639	-6.08797	40
29.6529	-6.078	40
29.689	-6.05504	40
> 60 contour
29.789	-6.12272	60
29.8053	-6.128	60
29.839	-6.13875	60
29.8875	-6.178	60
29.889	-6.18026	60
29.9123	-6.228	60
29.9098	-6.278	60
29.9081	-6.328	60
29.889	-6.34731	60
29.839	-6.35641	60
29.8164	-6.378	60
29.789	-6.40257	60
29.739	-6.3921	60
29.7123	-6.378	60
29.689	-6.36426	60
29.6538	-6.328	60
29.639	-6.28016	60
29.6384	-6.278	60
29.6349	-6.228	60
29.639	-6.20528	60
29.6443	-6.178	60
29.689	-6.13586	60
29.739	-6.13865	60
29.7727	-6.128	60
29.789	-6.12272	60
> 80 contour
29.789	-6.16213	80
29.8215	-6.178	80
29.839	-6.19431	80
29.863	-6.228	80
29.8739	-6.278	80
29.839	-6.31566	80
29.8018	-6.328	80
29.789	-6.33991	80
29.739	-6.34778	80
29.713	-6.328	80
29.689	-6.29875	80
29.6765	-6.278	80
29.6724	-6.228	80
29.689	-6.19523	80
29.739	-6.19371	80
29.7562	-6.178	80
29.789	-6.16213	80
> 100 contour
29.789	-6.19636	100
29.8216	-6.228	100
29.839	-6.25987	100
29.8472	-6.278	100
29.839	-6.28681	100
29.789	-6.30164	100
29.739	-6.29717	100
29.7232	-6.278	100
29.739	-6.25939	100
29.7561	-6.228	100
29.789	-6.19636	100