> 2 contour
20.031	2.4612	2
20.1143	2.52274	2
20.1977	2.53065	2
20.281	2.51707	2
20.3643	2.45505	2
20.3725	2.44883	2
20.4202	2.3655	2
20.4287	2.28217	2
20.4408	2.19883	2
20.4061	2.1155	2
20.3643	2.06894	2
20.3153	2.03217	2
20.281	1.99416	2
20.1977	1.95619	2
20.1143	1.9513	2
20.0456	2.03217	2
20.031	2.04219	2
19.9579	2.1155	2
19.9477	2.14216	2
19.92	2.19883	2
19.911	2.28217	2
19.9398	2.3655	2
19.9477	2.3744	2
20.0174	2.44883	2
20.031	2.4612	2
> 4 contour
20.1143	2.43763	4
20.1977	2.4436	4
20.281	2.39791	4
20.3062	2.3655	4
20.3453	2.28217	4
20.3478	2.19883	4
20.281	2.12004	4
20.2691	2.1155	4
20.1977	2.08003	4
20.1143	2.09288	4
20.0865	2.1155	4
20.031	2.17005	4
20.011	2.19883	4
19.9946	2.28217	4
20.031	2.33506	4
20.0491	2.3655	4
20.1143	2.43763	4
> 6 contour
20.1143	2.38036	6
20.1977	2.41253	6
20.2552	2.3655	6
20.281	2.32223	6
20.3058	2.28217	6
20.3008	2.19883	6
20.281	2.1755	6
20.1977	2.12873	6
20.1143	2.15508	6
20.0702	2.19883	6
20.0476	2.28217	6
20.1009	2.3655	6
20.1143	2.38036	6
> 8 contour
20.1977	2.38146	8
20.2172	2.3655	8
20.2733	2.28217	8
20.2598	2.19883	8
20.1977	2.15467	8
20.1222	2.19883	8
20.1143	2.21827	8
20.0898	2.28217	8
20.1143	2.31881	8
20.1635	2.3655	8
20.1977	2.38146	8