> 2 contour
69.9003	23.578	2
69.9837	23.5686	2
69.9925	23.5668	2
70.067	23.5574	2
70.1486	23.5668	2
70.1503	23.5672	2
70.1506	23.5668	2
70.2337	23.5025	2
70.2531	23.4835	2
70.2698	23.4002	2
70.2874	23.3168	2
70.3	23.2335	2
70.317	23.1662	2
70.3217	23.1502	2
70.317	23.1441	2
70.2337	23.0812	2
70.2237	23.0668	2
70.1503	23.0035	2
70.1004	22.9835	2
70.067	22.9505	2
69.9837	22.9421	2
69.9003	22.938	2
69.8296	22.9835	2
69.817	22.994	2
69.7499	23.0668	2
69.7337	23.0871	2
69.6873	23.1502	2
69.6598	23.2335	2
69.6662	23.3168	2
69.6993	23.4002	2
69.7337	23.4756	2
69.7381	23.4835	2
69.817	23.5402	2
69.8791	23.5668	2
69.9003	23.578	2
> 4 contour
69.9837	23.4877	4
69.9912	23.4835	4
70.067	23.442	4
70.1194	23.4002	4
70.1503	23.3518	4
70.1685	23.3168	4
70.1795	23.2335	4
70.1503	23.173	4
70.141	23.1502	4
70.067	23.0834	4
70.0201	23.0668	4
69.9837	23.0504	4
69.9003	23.0624	4
69.8956	23.0668	4
69.817	23.1225	4
69.7911	23.1502	4
69.7505	23.2335	4
69.7748	23.3168	4
69.817	23.3764	4
69.8372	23.4002	4
69.9003	23.457	4
69.9725	23.4835	4
69.9837	23.4877	4
> 6 contour
69.9837	23.4093	6
70.0004	23.4002	6
70.067	23.3628	6
70.1025	23.3168	6
70.1252	23.2335	6
70.067	23.1505	6
70.0662	23.1502	6
69.9837	23.1154	6
69.9173	23.1502	6
69.9003	23.1577	6
69.817	23.2118	6
69.8046	23.2335	6
69.817	23.2632	6
69.8399	23.3168	6
69.9003	23.3837	6
69.9584	23.4002	6
69.9837	23.4093	6
> 8 contour
69.9003	23.3225	8
69.9837	23.3588	8
70.0401	23.3168	8
70.067	23.2802	8
70.0875	23.2335	8
70.067	23.2042	8
69.9837	23.1617	8
69.9003	23.2083	8
69.8677	23.2335	8
69.8952	23.3168	8
69.9003	23.3225	8