> 4 contour
246.862	29.8413	4
246.946	29.8532	4
247.029	29.8517	4
247.112	29.8471	4
247.196	29.8357	4
247.241	29.8261	4
247.279	29.8191	4
247.362	29.7619	4
247.386	29.7428	4
247.446	29.6969	4
247.489	29.6594	4
247.529	29.6248	4
247.583	29.5761	4
247.612	29.5488	4
247.67	29.4928	4
247.691	29.4094	4
247.696	29.4042	4
247.767	29.3261	4
247.779	29.312	4
247.838	29.2428	4
247.847	29.1594	4
247.853	29.0761	4
247.855	28.9928	4
247.862	28.9808	4
247.911	28.9094	4
247.946	28.8503	4
247.993	28.8261	4
247.971	28.7428	4
247.946	28.6777	4
247.939	28.6594	4
247.895	28.5761	4
247.862	28.5271	4
247.839	28.4928	4
247.779	28.4225	4
247.767	28.4094	4
247.696	28.3433	4
247.674	28.3261	4
247.612	28.2797	4
247.551	28.2428	4
247.529	28.2298	4
247.446	28.1856	4
247.367	28.1594	4
247.362	28.1579	4
247.279	28.1327	4
247.196	28.1435	4
247.171	28.1594	4
247.119	28.2428	4
247.112	28.252	4
247.029	28.2471	4
246.946	28.2455	4
246.862	28.2585	4
246.779	28.2756	4
246.696	28.3025	4
246.642	28.3261	4
246.612	28.3384	4
246.529	28.3847	4
246.492	28.4094	4
246.446	28.4428	4
246.394	28.4928	4
246.362	28.5286	4
246.322	28.5761	4
246.279	28.5905	4
246.218	28.6594	4
246.229	28.7428	4
246.204	28.8261	4
246.196	28.8747	4
246.112	28.8682	4
246.029	28.9067	4
246.027	28.9094	4
246.029	28.9124	4
246.112	28.9546	4
246.185	28.9928	4
246.194	29.0761	4
246.196	29.0853	4
246.211	29.1594	4
246.241	29.2428	4
246.279	29.3129	4
246.281	29.3261	4
246.279	29.3311	4
246.239	29.4094	4
246.21	29.4928	4
246.279	29.5671	4
246.288	29.5761	4
246.362	29.6385	4
246.39	29.6594	4
246.446	29.6991	4
246.529	29.7409	4
246.533	29.7428	4
246.612	29.7781	4
246.696	29.8058	4
246.779	29.8259	4
246.78	29.8261	4
246.862	29.8413	4
> 8 contour
246.946	29.3532	8
247.029	29.3503	8
247.112	29.3368	8
247.143	29.3261	8
247.196	29.3099	8
247.279	29.2626	8
247.303	29.2428	8
247.362	29.1817	8
247.381	29.1594	8
247.422	29.0761	8
247.435	28.9928	8
247.428	28.9094	8
247.401	28.8261	8
247.362	28.7713	8
247.34	28.7428	8
247.279	28.6895	8
247.225	28.6594	8
247.196	28.6431	8
247.112	28.6132	8
247.029	28.6018	8
246.946	28.5993	8
246.862	28.6302	8
246.84	28.6594	8
246.781	28.7428	8
246.779	28.7445	8
246.696	28.7847	8
246.659	28.8261	8
246.612	28.9009	8
246.606	28.9094	8
246.593	28.9928	8
246.61	29.0761	8
246.612	29.0804	8
246.696	29.1379	8
246.73	29.1594	8
246.779	29.2071	8
246.802	29.2428	8
246.862	29.321	8
246.877	29.3261	8
246.946	29.3532	8
> 12 contour
246.946	29.2045	12
247.029	29.2083	12
247.112	29.1867	12
247.157	29.1594	12
247.196	29.1308	12
247.243	29.0761	12
247.269	28.9928	12
247.257	28.9094	12
247.199	28.8261	12
247.196	28.8234	12
247.112	28.7643	12
247.029	28.7491	12
246.946	28.7503	12
246.862	28.7901	12
246.82	28.8261	12
246.779	28.8969	12
246.772	28.9094	12
246.756	28.9928	12
246.779	29.0176	12
246.807	29.0761	12
246.862	29.157	12
246.867	29.1594	12
246.946	29.2045	12
> 16 contour
246.946	29.1219	16
247.029	29.1333	16
247.112	29.1124	16
247.154	29.0761	16
247.19	28.9928	16
247.171	28.9094	16
247.112	28.8476	16
247.057	28.8261	16
247.029	28.816	16
246.975	28.8261	16
246.946	28.833	16
246.862	28.8847	16
246.843	28.9094	16
246.825	28.9928	16
246.862	29.0627	16
246.875	29.0761	16
246.946	29.1219	16
> 20 contour
247.029	29.0791	20
247.039	29.0761	20
247.112	29.0401	20
247.14	28.9928	20
247.112	28.9264	20
247.104	28.9094	20
247.029	28.8586	20
246.95	28.9094	20
246.946	28.9219	20
246.903	28.9928	20
246.946	29.0382	20
247.016	29.0761	20
247.029	29.0791	20