> 4 contour
66.77	29.5256	4
66.7881	29.515	4
66.82	29.4795	4
66.87	29.4687	4
66.8925	29.465	4
66.92	29.4616	4
66.97	29.4368	4
67.0072	29.415	4
67.02	29.407	4
67.0604	29.365	4
67.07	29.3497	4
67.0936	29.315	4
67.12	29.3026	4
67.1491	29.265	4
67.12	29.2171	4
67.1173	29.215	4
67.12	29.2129	4
67.1497	29.165	4
67.1441	29.115	4
67.12	29.0861	4
67.07	29.0726	4
67.0685	29.065	4
67.02	29.0152	4
67.0189	29.015	4
66.97	28.9852	4
66.929	28.965	4
66.92	28.9604	4
66.87	28.9521	4
66.82	28.942	4
66.77	28.9521	4
66.72	28.9604	4
66.711	28.965	4
66.67	28.9852	4
66.6214	29.015	4
66.62	29.0159	4
66.5749	29.065	4
66.57	29.0732	4
66.52	29.0861	4
66.47	29.112	4
66.4637	29.115	4
66.47	29.1191	4
66.4902	29.165	4
66.47	29.2012	4
66.4602	29.215	4
66.47	29.2287	4
66.5133	29.215	4
66.52	29.2131	4
66.5226	29.215	4
66.5274	29.265	4
66.5464	29.315	4
66.52	29.3392	4
66.4889	29.365	4
66.52	29.4084	4
66.5258	29.415	4
66.57	29.4299	4
66.6097	29.415	4
66.62	29.4123	4
66.633	29.415	4
66.67	29.4368	4
66.72	29.4616	4
66.7475	29.465	4
66.7548	29.515	4
66.77	29.5256	4
> 8 contour
66.72	29.3309	8
66.77	29.3507	8
66.82	29.3633	8
66.87	29.3507	8
66.92	29.3309	8
66.9373	29.315	8
66.97	29.2683	8
66.9724	29.265	8
66.9838	29.215	8
66.9768	29.165	8
66.97	29.155	8
66.9453	29.115	8
66.92	29.0906	8
66.87	29.072	8
66.8394	29.065	8
66.82	29.0586	8
66.8006	29.065	8
66.77	29.072	8
66.72	29.0906	8
66.6947	29.115	8
66.67	29.155	8
66.6632	29.165	8
66.62	29.2043	8
66.6133	29.215	8
66.62	29.2253	8
66.6676	29.265	8
66.67	29.2683	8
66.7027	29.315	8
66.72	29.3309	8
> 12 contour
66.77	29.3005	12
66.82	29.3149	12
66.87	29.3005	12
66.9166	29.265	12
66.92	29.2579	12
66.9375	29.215	12
66.922	29.165	12
66.92	29.1624	12
66.87	29.1233	12
66.8408	29.115	12
66.82	29.1073	12
66.7992	29.115	12
66.77	29.1233	12
66.72	29.1354	12
66.6937	29.165	12
66.7025	29.215	12
66.72	29.2579	12
66.7234	29.265	12
66.77	29.3005	12
> 16 contour
66.77	29.2662	16
66.82	29.2994	16
66.87	29.2662	16
66.8715	29.265	16
66.9061	29.215	16
66.8782	29.165	16
66.87	29.1584	16
66.82	29.1381	16
66.77	29.1584	16
66.72	29.1642	16
66.7193	29.165	16
66.72	29.1674	16
66.7339	29.215	16
66.7685	29.265	16
66.77	29.2662	16
> 20 contour
66.82	29.2839	20
66.8479	29.265	20
66.87	29.2299	20
66.8805	29.215	20
66.87	29.1982	20
66.82	29.1656	20
66.77	29.1982	20
66.7595	29.215	20
66.77	29.2299	20
66.7921	29.265	20
66.82	29.2839	20