> 5 contour
275.691	10.6135	5
275.774	10.6503	5
275.825	10.595	5
275.858	10.5817	5
275.941	10.5743	5
276.016	10.595	5
276.024	10.6023	5
276.037	10.595	5
276.108	10.5563	5
276.158	10.5117	5
276.191	10.4739	5
276.227	10.4283	5
276.269	10.345	5
276.274	10.3239	5
276.291	10.2617	5
276.274	10.2448	5
276.208	10.1783	5
276.191	10.095	5
276.191	10.0943	5
276.158	10.0117	5
276.108	9.95776	5
276.024	9.92833	5
276.024	9.92824	5
275.943	9.845	5
275.941	9.84418	5
275.858	9.81576	5
275.774	9.81954	5
275.715	9.845	5
275.691	9.85265	5
275.608	9.92187	5
275.601	9.92833	5
275.55	10.0117	5
275.524	10.0246	5
275.46	10.095	5
275.467	10.1783	5
275.479	10.2617	5
275.477	10.345	5
275.457	10.4283	5
275.524	10.5105	5
275.526	10.5117	5
275.608	10.5775	5
275.651	10.595	5
275.691	10.6135	5
> 10 contour
275.774	10.4756	10
275.858	10.4783	10
275.905	10.4283	10
275.941	10.3883	10
275.993	10.345	10
276.024	10.2982	10
276.082	10.2617	10
276.056	10.1783	10
276.024	10.096	10
276.024	10.095	10
275.941	10.0207	10
275.858	10.0195	10
275.811	10.0117	10
275.774	10.0046	10
275.691	10.0108	10
275.69	10.0117	10
275.608	10.0388	10
275.543	10.095	10
275.591	10.1783	10
275.608	10.2106	10
275.628	10.2617	10
275.689	10.345	10
275.691	10.3471	10
275.738	10.4283	10
275.774	10.4756	10
> 15 contour
275.858	10.3867	15
275.895	10.345	15
275.941	10.3167	15
275.989	10.2617	15
276.002	10.1783	15
275.941	10.1034	15
275.858	10.1026	15
275.785	10.095	15
275.774	10.0896	15
275.691	10.0867	15
275.608	10.0737	15
275.583	10.095	15
275.608	10.1308	15
275.662	10.1783	15
275.691	10.2488	15
275.695	10.2617	15
275.774	10.3414	15
275.785	10.345	15
275.858	10.3867	15
> 20 contour
275.774	10.2856	20
275.858	10.3287	20
275.941	10.2658	20
275.945	10.2617	20
275.968	10.1783	20
275.941	10.1446	20
275.858	10.1193	20
275.774	10.1372	20
275.723	10.1783	20
275.751	10.2617	20
275.774	10.2856	20