> 4 contour
251.092	24.0856	4
251.175	24.1256	4
251.258	24.1171	4
251.342	24.1053	4
251.425	24.0682	4
251.444	24.0556	4
251.508	24.0047	4
251.537	23.9723	4
251.58	23.8889	4
251.592	23.8277	4
251.597	23.8056	4
251.592	23.7513	4
251.59	23.7223	4
251.563	23.6389	4
251.508	23.5686	4
251.496	23.5556	4
251.425	23.5014	4
251.346	23.4723	4
251.342	23.4705	4
251.258	23.4554	4
251.175	23.4445	4
251.122	23.4723	4
251.092	23.4881	4
251.008	23.5387	4
250.99	23.5556	4
250.925	23.6379	4
250.924	23.6389	4
250.89	23.7223	4
250.883	23.8056	4
250.902	23.8889	4
250.925	23.9308	4
250.947	23.9723	4
251.008	24.0344	4
251.041	24.0556	4
251.092	24.0856	4
> 8 contour
251.175	23.9824	8
251.258	23.9923	8
251.298	23.9723	8
251.342	23.9516	8
251.41	23.8889	8
251.425	23.8452	8
251.443	23.8056	8
251.428	23.7223	8
251.425	23.717	8
251.365	23.6389	8
251.342	23.6213	8
251.258	23.5772	8
251.175	23.5868	8
251.114	23.6389	8
251.092	23.6638	8
251.046	23.7223	8
251.032	23.8056	8
251.074	23.8889	8
251.092	23.9083	8
251.162	23.9723	8
251.175	23.9824	8
> 12 contour
251.175	23.9141	12
251.258	23.9424	12
251.33	23.8889	12
251.342	23.8772	12
251.392	23.8056	12
251.37	23.7223	12
251.342	23.6905	12
251.258	23.6389	12
251.258	23.6388	12
251.258	23.6389	12
251.175	23.6604	12
251.117	23.7223	12
251.097	23.8056	12
251.149	23.8889	12
251.175	23.9141	12
> 16 contour
251.258	23.9035	16
251.278	23.8889	16
251.342	23.8229	16
251.354	23.8056	16
251.342	23.7726	16
251.323	23.7223	16
251.258	23.6695	16
251.175	23.7165	16
251.17	23.7223	16
251.139	23.8056	16
251.175	23.854	16
251.227	23.8889	16
251.258	23.9035	16