> 6 contour
20.8	37.8764	6
20.85	37.8862	6
20.9	37.8995	6
20.95	37.8987	6
21	37.9038	6
21.05	37.8862	6
21.0932	37.876	6
21.1	37.8747	6
21.15	37.8367	6
21.1909	37.826	6
21.2	37.8201	6
21.2441	37.776	6
21.25	37.7679	6
21.2817	37.726	6
21.3	37.6786	6
21.301	37.676	6
21.3111	37.626	6
21.3083	37.576	6
21.3	37.5451	6
21.2954	37.526	6
21.2697	37.476	6
21.25	37.4525	6
21.2281	37.426	6
21.2	37.4	6
21.1572	37.376	6
21.15	37.372	6
21.1	37.3433	6
21.05	37.3331	6
21.022	37.326	6
21	37.3194	6
20.95	37.322	6
20.9	37.3194	6
20.878	37.326	6
20.85	37.3331	6
20.8	37.3433	6
20.75	37.372	6
20.7428	37.376	6
20.7	37.4001	6
20.672	37.426	6
20.65	37.4526	6
20.6305	37.476	6
20.6046	37.526	6
20.6	37.5451	6
20.5917	37.576	6
20.5889	37.626	6
20.5989	37.676	6
20.6	37.6786	6
20.6182	37.726	6
20.65	37.768	6
20.7	37.7608	6
20.75	37.7723	6
20.7537	37.776	6
20.8	37.8151	6
20.8066	37.826	6
20.8	37.8748	6
20.7993	37.876	6
20.8	37.8764	6
> 12 contour
20.95	37.7884	12
21	37.7834	12
21.0111	37.776	12
21.05	37.7539	12
21.0977	37.726	12
21.1	37.7242	12
21.1367	37.676	12
21.15	37.6262	12
21.1501	37.626	12
21.15	37.6255	12
21.1466	37.576	12
21.1263	37.526	12
21.1	37.496	12
21.0674	37.476	12
21.05	37.4668	12
21	37.4429	12
20.95	37.4432	12
20.9	37.4429	12
20.85	37.4668	12
20.8327	37.476	12
20.8	37.4961	12
20.7738	37.526	12
20.7534	37.576	12
20.75	37.6255	12
20.7499	37.626	12
20.75	37.6262	12
20.8	37.6689	12
20.805	37.676	12
20.8244	37.726	12
20.85	37.76	12
20.9	37.7551	12
20.9408	37.776	12
20.95	37.7884	12
> 18 contour
21	37.7279	18
21.0028	37.726	18
21.05	37.6847	18
21.06	37.676	18
21.0899	37.626	18
21.0863	37.576	18
21.05	37.5386	18
21.0341	37.526	18
21	37.5013	18
20.95	37.4936	18
20.9	37.5013	18
20.8659	37.526	18
20.85	37.5386	18
20.8136	37.576	18
20.81	37.626	18
20.8448	37.676	18
20.85	37.6863	18
20.9	37.7241	18
20.95	37.7159	18
20.9968	37.726	18
21	37.7279	18
> 24 contour
20.9	37.682	24
20.95	37.6964	24
21	37.6833	24
21.008	37.676	24
21.05	37.6263	24
21.0502	37.626	24
21.05	37.6252	24
21.0388	37.576	24
21	37.542	24
20.95	37.5283	24
20.9	37.5421	24
20.8612	37.576	24
20.85	37.6252	24
20.8498	37.626	24
20.85	37.6263	24
20.893	37.676	24
20.9	37.682	24
> 30 contour
20.95	37.677	30
20.9528	37.676	30
21	37.6441	30
21.0162	37.626	30
21.0019	37.576	30
21	37.5743	30
20.95	37.5466	30
20.9	37.5744	30
20.8981	37.576	30
20.884	37.626	30
20.9	37.6437	30
20.9473	37.676	30
20.95	37.677	30