> 0.4 contour
248.62	41.8875	0.4
248.613	41.8793	0.4
248.605	41.8708	0.4
248.603	41.8542	0.4
248.613	41.8426	0.4
248.629	41.8403	0.4
248.646	41.838	0.4
248.65	41.8375	0.4
248.646	41.8329	0.4
248.636	41.8208	0.4
248.629	41.8135	0.4
248.62	41.8042	0.4
248.613	41.8033	0.4
248.611	41.8042	0.4
248.609	41.8208	0.4
248.596	41.8312	0.4
248.579	41.8293	0.4
248.57	41.8375	0.4
248.571	41.8542	0.4
248.57	41.8708	0.4
248.579	41.8828	0.4
248.596	41.8808	0.4
248.603	41.8875	0.4
> 0.4 contour
248.538	41.8875	0.4
248.529	41.8708	0.4
248.529	41.8705	0.4
248.519	41.8542	0.4
248.513	41.8456	0.4
248.496	41.8487	0.4
248.479	41.845	0.4
248.465	41.8542	0.4
248.463	41.8645	0.4
248.461	41.8542	0.4
248.459	41.8375	0.4
248.455	41.8208	0.4
248.451	41.8042	0.4
248.446	41.7992	0.4
248.429	41.7966	0.4
248.418	41.7875	0.4
248.413	41.7825	0.4
248.405	41.7875	0.4
248.398	41.8042	0.4
248.396	41.8088	0.4
248.379	41.8048	0.4
248.37	41.8042	0.4
248.363	41.8035	0.4
248.356	41.8042	0.4
248.346	41.8051	0.4
248.329	41.8095	0.4
248.313	41.8175	0.4
248.307	41.8208	0.4
248.296	41.8292	0.4
248.287	41.8375	0.4
248.279	41.8463	0.4
248.273	41.8542	0.4
248.263	41.8708	0.4
248.263	41.872	0.4
248.246	41.875	0.4
248.229	41.8791	0.4
248.215	41.8708	0.4
248.213	41.8607	0.4
248.212	41.8542	0.4
248.21	41.8375	0.4
248.213	41.8353	0.4
248.223	41.8208	0.4
248.221	41.8042	0.4
248.219	41.7875	0.4
248.217	41.7708	0.4
248.214	41.7542	0.4
248.213	41.7446	0.4
248.202	41.7542	0.4
248.196	41.7593	0.4
248.183	41.7708	0.4
248.179	41.7741	0.4
248.163	41.7875	0.4
248.163	41.7883	0.4
248.146	41.8027	0.4
248.144	41.8042	0.4
248.129	41.8185	0.4
248.127	41.8208	0.4
248.113	41.8366	0.4
248.112	41.8375	0.4
248.099	41.8542	0.4
248.096	41.8586	0.4
248.088	41.8708	0.4
248.079	41.8861	0.4
248.078	41.8875	0.4
> 0.8 contour
248.452	41.8875	0.8
248.446	41.8793	0.8
248.429	41.8766	0.8
248.413	41.8739	0.8
248.396	41.875	0.8
248.379	41.8729	0.8
248.363	41.8715	0.8
248.346	41.8875	0.8