> 3 contour
317.218	30.5963	3
317.302	30.6277	3
317.385	30.6357	3
317.468	30.6385	3
317.552	30.6315	3
317.635	30.6138	3
317.718	30.583	3
317.736	30.5747	3
317.802	30.5433	3
317.865	30.4914	3
317.885	30.4718	3
317.944	30.4081	3
317.968	30.3697	3
317.996	30.3247	3
318.028	30.2414	3
318.042	30.1581	3
318.041	30.0747	3
318.025	29.9914	3
317.99	29.9081	3
317.968	29.8738	3
317.935	29.8247	3
317.885	29.7727	3
317.852	29.7414	3
317.802	29.7004	3
317.718	29.6605	3
317.712	29.6581	3
317.635	29.629	3
317.552	29.611	3
317.468	29.6032	3
317.385	29.6055	3
317.302	29.6148	3
317.218	29.6482	3
317.197	29.6581	3
317.135	29.6856	3
317.055	29.7414	3
317.052	29.7436	3
316.969	29.8247	3
316.968	29.8259	3
316.912	29.9081	3
316.885	29.9807	3
316.881	29.9914	3
316.862	30.0747	3
316.86	30.1581	3
316.876	30.2414	3
316.885	30.264	3
316.908	30.3247	3
316.96	30.4081	3
316.968	30.418	3
317.04	30.4914	3
317.052	30.5008	3
317.135	30.5576	3
317.172	30.5747	3
317.218	30.5963	3
> 6 contour
317.302	30.3724	6
317.385	30.3958	6
317.468	30.3978	6
317.552	30.3835	6
317.635	30.3436	6
317.66	30.3247	6
317.718	30.2635	6
317.736	30.2414	6
317.765	30.1581	6
317.761	30.0747	6
317.722	29.9914	6
317.718	29.9861	6
317.646	29.9081	6
317.635	29.9001	6
317.552	29.8593	6
317.468	29.8456	6
317.385	29.8497	6
317.302	29.873	6
317.254	29.9081	6
317.218	29.9437	6
317.179	29.9914	6
317.145	30.0747	6
317.143	30.1581	6
317.169	30.2414	6
317.218	30.2986	6
317.243	30.3247	6
317.302	30.3724	6
> 9 contour
317.385	30.2958	9
317.468	30.3022	9
317.552	30.2743	9
317.595	30.2414	9
317.635	30.1759	9
317.645	30.1581	9
317.64	30.0747	9
317.635	30.0668	9
317.58	29.9914	9
317.552	29.97	9
317.468	29.9379	9
317.385	29.9508	9
317.32	29.9914	9
317.302	30.0116	9
317.26	30.0747	9
317.255	30.1581	9
317.302	30.238	9
317.304	30.2414	9
317.385	30.2958	9
> 12 contour
317.385	30.2264	12
317.468	30.2407	12
317.552	30.1996	12
317.586	30.1581	12
317.58	30.0747	12
317.552	30.0427	12
317.468	29.9943	12
317.385	30.0206	12
317.333	30.0747	12
317.326	30.1581	12
317.385	30.2264	12
> 15 contour
317.385	30.1653	15
317.468	30.2143	15
317.539	30.1581	15
317.531	30.0747	15
317.468	30.0258	15
317.391	30.0747	15
317.385	30.117	15
317.379	30.1581	15
317.385	30.1653	15