> 4 contour
250.662	19.9079	4
250.745	19.9419	4
250.828	19.9368	4
250.912	19.9256	4
250.995	19.8903	4
251.024	19.8714	4
251.078	19.8333	4
251.122	19.7881	4
251.162	19.7199	4
251.171	19.7048	4
251.196	19.6214	4
251.196	19.5381	4
251.172	19.4548	4
251.162	19.4363	4
251.13	19.3714	4
251.078	19.3135	4
251.046	19.2881	4
250.995	19.2525	4
250.912	19.2206	4
250.828	19.2067	4
250.777	19.2048	4
250.745	19.2027	4
250.741	19.2048	4
250.662	19.243	4
250.579	19.2881	4
250.578	19.2886	4
250.496	19.3714	4
250.495	19.3734	4
250.449	19.4548	4
250.43	19.5381	4
250.432	19.6214	4
250.455	19.7048	4
250.495	19.7696	4
250.506	19.7881	4
250.578	19.859	4
250.599	19.8714	4
250.662	19.9079	4
> 8 contour
250.662	19.7267	8
250.745	19.781	8
250.828	19.7804	8
250.912	19.7617	8
250.978	19.7048	8
250.995	19.6762	8
251.028	19.6214	8
251.03	19.5381	8
250.995	19.4683	8
250.989	19.4548	8
250.912	19.3852	8
250.881	19.3714	8
250.828	19.3438	8
250.745	19.3517	8
250.72	19.3714	8
250.662	19.4232	8
250.632	19.4548	8
250.592	19.5381	8
250.593	19.6214	8
250.639	19.7048	8
250.662	19.7267	8
> 12 contour
250.745	19.7077	12
250.828	19.725	12
250.872	19.7048	12
250.912	19.6886	12
250.967	19.6214	12
250.971	19.5381	12
250.912	19.4608	12
250.905	19.4548	12
250.828	19.3992	12
250.745	19.4224	12
250.711	19.4548	12
250.662	19.5278	12
250.655	19.5381	12
250.66	19.6214	12
250.662	19.6233	12
250.741	19.7048	12
250.745	19.7077	12
> 16 contour
250.745	19.6594	16
250.828	19.6901	16
250.912	19.6397	16
250.927	19.6214	16
250.934	19.5381	16
250.912	19.5089	16
250.85	19.4548	16
250.828	19.4388	16
250.79	19.4548	16
250.745	19.479	16
250.698	19.5381	16
250.707	19.6214	16
250.745	19.6594	16
> 20 contour
250.828	19.6669	20
250.891	19.6214	20
250.902	19.5381	20
250.828	19.4688	20
250.745	19.5294	20
250.738	19.5381	20
250.745	19.5771	20
250.753	19.6214	20
250.828	19.6669	20