> 1 contour -Z1
238.118	37.6042	1
238.126	37.5979	1
238.128	37.5812	1
238.135	37.5769	1
238.151	37.5664	1
238.168	37.5657	1
238.171	37.5645	1
238.177	37.5479	1
238.185	37.5419	1
238.201	37.5479	1
238.201	37.549	1
238.203	37.5479	1
238.217	37.5312	1
238.218	37.5278	1
238.224	37.5145	1
238.226	37.4979	1
238.218	37.4946	1
238.212	37.4979	1
238.201	37.5031	1
238.198	37.4979	1
238.196	37.4812	1
238.185	37.4688	1
238.18	37.4645	1
238.185	37.4565	1
238.201	37.4495	1
238.202	37.4479	1
238.201	37.4429	1
238.189	37.4312	1
238.185	37.4283	1
238.168	37.42	1
238.155	37.4145	1
238.151	37.4136	1
238.135	37.4082	1
238.122	37.3979	1
238.118	37.3837	1
238.117	37.3812	1
238.101	37.368	1
238.093	37.3645	1
238.085	37.3621	1
238.08	37.3645	1
238.068	37.3718	1
238.059	37.3812	1
238.056	37.3979	1
238.051	37.4002	1
238.035	37.402	1
238.02	37.4145	1
238.018	37.4152	1
238.001	37.4223	1
237.985	37.4207	1
237.968	37.4184	1
237.951	37.4202	1
237.935	37.4225	1
237.918	37.4263	1
237.91	37.4312	1
237.918	37.4468	1
237.919	37.4479	1
237.929	37.4645	1
237.935	37.4745	1
237.938	37.4812	1
237.951	37.4979	1
237.951	37.4979	1
237.968	37.503	1
237.985	37.5074	1
238.001	37.5107	1
238.018	37.5091	1
238.035	37.507	1
238.051	37.5121	1
238.057	37.5145	1
238.068	37.5238	1
238.085	37.5205	1
238.101	37.5284	1
238.106	37.5312	1
238.118	37.5479	1
238.118	37.548	1
238.118	37.5479	1
238.135	37.5412	1
238.143	37.5479	1
238.135	37.5539	1
238.126	37.5645	1
238.118	37.5756	1
238.113	37.5812	1
238.111	37.5979	1
238.118	37.6042	1
> 2 contour -Z2
238.018	37.486	2
238.035	37.4823	2
238.051	37.4968	2
238.068	37.4944	2
238.085	37.4905	2
238.098	37.4812	2
238.101	37.4734	2
238.105	37.4645	2
238.101	37.4593	2
238.099	37.4479	2
238.085	37.4312	2
238.085	37.4311	2
238.068	37.426	2
238.051	37.4302	2
238.05	37.4312	2
238.035	37.4349	2
238.018	37.4339	2
238.007	37.4479	2
238.003	37.4645	2
238.007	37.4812	2
238.018	37.486	2
> 3 contour -Z3
238.051	37.4895	3
238.065	37.4812	3
238.068	37.4803	3
238.084	37.4645	3
238.083	37.4479	3
238.068	37.4409	3
238.051	37.4386	3
238.035	37.4462	3
238.032	37.4479	3
238.026	37.4645	3
238.035	37.4703	3
238.042	37.4812	3
238.051	37.4895	3
> 4 contour -Z4
238.051	37.4822	4
238.053	37.4812	4
238.068	37.4773	4
238.081	37.4645	4
238.068	37.4495	4
238.057	37.4479	4
238.051	37.4462	4
238.048	37.4479	4
238.039	37.4645	4
238.05	37.4812	4
238.051	37.4822	4