> 3 contour
217.451	12.3984	3
217.534	12.4178	3
217.618	12.4223	3
217.701	12.4129	3
217.773	12.391	3
217.784	12.3876	3
217.868	12.3469	3
217.877	12.341	3
217.946	12.291	3
217.951	12.2871	3
217.994	12.241	3
218.029	12.191	3
218.034	12.1804	3
218.059	12.141	3
218.081	12.091	3
218.095	12.041	3
218.103	11.991	3
218.106	11.941	3
218.106	11.891	3
218.101	11.841	3
218.09	11.791	3
218.072	11.741	3
218.045	11.691	3
218.034	11.6742	3
218.016	11.641	3
217.977	11.591	3
217.951	11.5638	3
217.923	11.541	3
217.868	11.5031	3
217.844	11.491	3
217.784	11.4615	3
217.713	11.441	3
217.701	11.4376	3
217.618	11.4275	3
217.534	11.4319	3
217.496	11.441	3
217.451	11.4511	3
217.368	11.4845	3
217.357	11.491	3
217.284	11.5379	3
217.28	11.541	3
217.227	11.591	3
217.201	11.6232	3
217.187	11.641	3
217.154	11.691	3
217.131	11.741	3
217.118	11.7793	3
217.113	11.791	3
217.1	11.841	3
217.094	11.891	3
217.094	11.941	3
217.099	11.991	3
217.108	12.041	3
217.118	12.0706	3
217.123	12.091	3
217.144	12.141	3
217.173	12.191	3
217.201	12.2273	3
217.211	12.241	3
217.259	12.291	3
217.284	12.3128	3
217.325	12.341	3
217.368	12.3665	3
217.432	12.391	3
217.451	12.3984	3
> 6 contour
217.534	12.1212	6
217.618	12.1326	6
217.701	12.1074	6
217.725	12.091	6
217.776	12.041	6
217.784	12.0265	6
217.805	11.991	6
217.82	11.941	6
217.824	11.891	6
217.803	11.841	6
217.784	11.8162	6
217.766	11.791	6
217.701	11.7428	6
217.695	11.741	6
217.618	11.7163	6
217.534	11.7286	6
217.509	11.741	6
217.451	11.7711	6
217.43	11.791	6
217.396	11.841	6
217.382	11.891	6
217.382	11.941	6
217.393	11.991	6
217.414	12.041	6
217.451	12.0792	6
217.472	12.091	6
217.534	12.1212	6
> 9 contour
217.618	12.0486	9
217.633	12.041	9
217.701	11.9977	9
217.708	11.991	9
217.732	11.941	9
217.736	11.891	9
217.701	11.8479	9
217.694	11.841	9
217.618	11.8005	9
217.534	11.8256	9
217.512	11.841	9
217.467	11.891	9
217.462	11.941	9
217.489	11.991	9
217.534	12.0263	9
217.588	12.041	9
217.618	12.0486	9
> 12 contour
217.618	12.0129	12
217.653	11.991	12
217.69	11.941	12
217.683	11.891	12
217.618	11.8438	12
217.534	11.891	12
217.534	11.891	12
217.527	11.941	12
217.534	11.9504	12
217.569	11.991	12
217.618	12.0129	12