> 2 contour
256.988	8.58574	2
257.071	8.59291	2
257.154	8.57054	2
257.181	8.5526	2
257.23	8.5026	2
257.238	8.48887	2
257.266	8.4526	2
257.283	8.4026	2
257.284	8.3526	2
257.282	8.3026	2
257.252	8.2526	2
257.238	8.23745	2
257.208	8.2026	2
257.154	8.16847	2
257.071	8.15271	2
256.988	8.15568	2
256.905	8.2026	2
256.904	8.20332	2
256.855	8.2526	2
256.834	8.3026	2
256.829	8.3526	2
256.831	8.4026	2
256.838	8.4526	2
256.866	8.5026	2
256.904	8.53883	2
256.926	8.5526	2
256.988	8.58574	2
> 4 contour
257.071	8.51233	4
257.096	8.5026	4
257.154	8.47987	4
257.183	8.4526	4
257.21	8.4026	4
257.213	8.3526	4
257.199	8.3026	4
257.154	8.25804	4
257.145	8.2526	4
257.071	8.21859	4
256.988	8.23533	4
256.963	8.2526	4
256.917	8.3026	4
256.905	8.3526	4
256.908	8.4026	4
256.925	8.4526	4
256.988	8.49961	4
257.013	8.5026	4
257.071	8.51233	4
> 6 contour
256.988	8.45732	6
257.071	8.4809	6
257.127	8.4526	6
257.154	8.42154	6
257.168	8.4026	6
257.176	8.3526	6
257.154	8.31546	6
257.147	8.3026	6
257.071	8.2573	6
256.988	8.2808	6
256.963	8.3026	6
256.933	8.3526	6
256.937	8.4026	6
256.982	8.4526	6
256.988	8.45732	6
> 8 contour
257.071	8.45501	8
257.076	8.4526	8
257.143	8.4026	8
257.147	8.3526	8
257.11	8.3026	8
257.071	8.27923	8
257.012	8.3026	8
256.988	8.31844	8
256.961	8.3526	8
256.967	8.4026	8
256.988	8.42508	8
257.063	8.4526	8
257.071	8.45501	8
> 10 contour
257.071	8.44133	10
257.126	8.4026	10
257.131	8.3526	10
257.074	8.3026	10
257.071	8.30117	10
257.068	8.3026	10
256.989	8.3526	10
256.995	8.4026	10
257.071	8.44133	10