> 3 contour
267.001	15.109	3
267.084	15.1258	3
267.168	15.1374	3
267.251	15.137	3
267.334	15.132	3
267.418	15.1197	3
267.501	15.0933	3
267.505	15.0899	3
267.584	15.029	3
267.611	15.0066	3
267.643	14.9232	3
267.668	14.9033	3
267.751	14.8864	3
267.834	14.8679	3
267.863	14.8399	3
267.918	14.7856	3
267.946	14.7566	3
267.965	14.6732	3
268.001	14.6322	3
268.039	14.5899	3
268.084	14.5342	3
268.157	14.5066	3
268.168	14.4729	3
268.184	14.4232	3
268.202	14.3399	3
268.212	14.2566	3
268.215	14.1732	3
268.211	14.0899	3
268.199	14.0066	3
268.179	13.9232	3
268.168	13.8899	3
268.151	13.8399	3
268.113	13.7566	3
268.084	13.7083	3
268.064	13.6732	3
268.003	13.5899	3
268.001	13.587	3
267.928	13.5066	3
267.918	13.4969	3
267.834	13.4259	3
267.831	13.4232	3
267.751	13.3681	3
267.703	13.3399	3
267.668	13.3199	3
267.584	13.2861	3
267.501	13.2602	3
267.485	13.2566	3
267.418	13.2404	3
267.334	13.2278	3
267.251	13.2227	3
267.168	13.2225	3
267.084	13.2344	3
267.001	13.2515	3
266.984	13.2566	3
266.918	13.275	3
266.834	13.3067	3
266.768	13.3399	3
266.751	13.3486	3
266.668	13.3978	3
266.635	13.4232	3
266.584	13.466	3
266.54	13.5066	3
266.501	13.5479	3
266.465	13.5899	3
266.418	13.6554	3
266.405	13.6732	3
266.357	13.7566	3
266.334	13.8072	3
266.319	13.8399	3
266.291	13.9232	3
266.271	14.0066	3
266.259	14.0899	3
266.255	14.1732	3
266.258	14.2566	3
266.268	14.3399	3
266.286	14.4232	3
266.313	14.5066	3
266.334	14.5552	3
266.349	14.5899	3
266.395	14.6732	3
266.418	14.707	3
266.452	14.7566	3
266.501	14.8138	3
266.525	14.8399	3
266.584	14.8954	3
266.617	14.9232	3
266.668	14.9634	3
266.742	15.0066	3
266.751	15.012	3
266.834	15.0537	3
266.918	15.0844	3
266.937	15.0899	3
267.001	15.109	3
> 6 contour
267.084	14.5518	6
267.168	14.5809	6
267.251	14.5804	6
267.334	14.5689	6
267.418	14.5374	6
267.466	14.5066	6
267.501	14.4819	6
267.559	14.4232	6
267.584	14.3813	6
267.609	14.3399	6
267.638	14.2566	6
267.646	14.1732	6
267.637	14.0899	6
267.605	14.0066	6
267.584	13.9769	6
267.546	13.9232	6
267.501	13.8787	6
267.444	13.8399	6
267.418	13.8237	6
267.334	13.7911	6
267.251	13.7797	6
267.168	13.7782	6
267.084	13.8082	6
267.026	13.8399	6
267.001	13.8539	6
266.925	13.9232	6
266.918	13.9326	6
266.867	14.0066	6
266.838	14.0899	6
266.834	14.1245	6
266.828	14.1732	6
266.834	14.2332	6
266.836	14.2566	6
266.86	14.3399	6
266.914	14.4232	6
266.918	14.4279	6
267.001	14.5053	6
267.003	14.5066	6
267.084	14.5518	6
> 9 contour
267.084	14.37	9
267.168	14.4177	9
267.251	14.4191	9
267.334	14.4008	9
267.415	14.3399	9
267.418	14.3363	9
267.468	14.2566	9
267.481	14.1732	9
267.464	14.0899	9
267.418	14.0252	9
267.401	14.0066	9
267.334	13.9572	9
267.251	13.9355	9
267.168	13.941	9
267.084	13.9891	9
267.065	14.0066	9
267.007	14.0899	9
267.001	14.1272	9
266.99	14.1732	9
267.001	14.2239	9
267.005	14.2566	9
267.052	14.3399	9
267.084	14.37	9
> 12 contour
267.251	14.3584	12
267.288	14.3399	12
267.334	14.3157	12
267.387	14.2566	12
267.406	14.1732	12
267.381	14.0899	12
267.334	14.0414	12
267.251	14.0132	12
267.168	14.0284	12
267.089	14.0899	12
267.084	14.0987	12
267.055	14.1732	12
267.082	14.2566	12
267.084	14.2599	12
267.168	14.3355	12
267.183	14.3399	12
267.251	14.3584	12
> 15 contour
267.168	14.2724	15
267.251	14.3153	15
267.331	14.2566	15
267.334	14.2498	15
267.368	14.1732	15
267.334	14.1086	15
267.316	14.0899	15
267.251	14.0533	15
267.173	14.0899	15
267.168	14.0948	15
267.112	14.1732	15
267.15	14.2566	15
267.168	14.2724	15
> 18 contour
267.251	14.2799	18
267.283	14.2566	18
267.329	14.1732	18
267.251	14.0936	18
267.168	14.1717	18
267.167	14.1732	18
267.168	14.1754	18
267.212	14.2566	18
267.251	14.2799	18