> 5 contour
121.798	20.5822	5
121.881	20.6135	5
121.964	20.6084	5
122.048	20.5983	5
122.131	20.5676	5
122.181	20.5359	5
122.214	20.5119	5
122.271	20.4526	5
122.298	20.4115	5
122.325	20.3693	5
122.351	20.2859	5
122.353	20.2026	5
122.334	20.1193	5
122.298	20.0499	5
122.291	20.0359	5
122.222	19.9526	5
122.214	19.9455	5
122.131	19.8902	5
122.071	19.8693	5
122.048	19.8601	5
121.964	19.8477	5
121.881	19.8406	5
121.821	19.8693	5
121.798	19.8791	5
121.714	19.9197	5
121.675	19.9526	5
121.631	19.9998	5
121.603	20.0359	5
121.564	20.1193	5
121.55	20.2026	5
121.552	20.2859	5
121.574	20.3693	5
121.627	20.4526	5
121.631	20.4572	5
121.714	20.5353	5
121.715	20.5359	5
121.798	20.5822	5
> 10 contour
121.798	20.3948	10
121.881	20.4489	10
121.945	20.3693	10
121.964	20.3638	10
121.991	20.3693	10
122.048	20.4283	10
122.12	20.3693	10
122.131	20.3518	10
122.172	20.2859	10
122.179	20.2026	10
122.145	20.1193	10
122.131	20.1021	10
122.049	20.0359	10
122.048	20.0354	10
121.964	19.9933	10
121.881	19.9972	10
121.832	20.0359	10
121.798	20.0674	10
121.749	20.1193	10
121.719	20.2026	10
121.724	20.2859	10
121.77	20.3693	10
121.798	20.3948	10
> 15 contour
121.798	20.2958	15
121.812	20.2859	15
121.881	20.2718	15
121.892	20.2859	15
121.964	20.347	15
122.048	20.3536	15
122.105	20.2859	15
122.114	20.2026	15
122.06	20.1193	15
122.048	20.1076	15
121.964	20.0514	15
121.881	20.0697	15
121.829	20.1193	15
121.798	20.1717	15
121.779	20.2026	15
121.791	20.2859	15
121.798	20.2958	15
> 20 contour
121.964	20.3301	20
122.048	20.3053	20
122.064	20.2859	20
122.08	20.2026	20
122.048	20.158	20
122.009	20.1193	20
121.964	20.0861	20
121.89	20.1193	20
121.881	20.1251	20
121.823	20.2026	20
121.881	20.2452	20
121.912	20.2859	20
121.964	20.3301	20
> 25 contour
121.964	20.3133	25
122.025	20.2859	25
122.047	20.2026	25
121.964	20.1203	25
121.881	20.1734	25
121.859	20.2026	25
121.881	20.2186	25
121.932	20.2859	25
121.964	20.3133	25