> 5 contour
147.711	-2.60075	5
147.794	-2.58126	5
147.877	-2.5769	5
147.961	-2.5917	5
148.044	-2.63289	5
148.062	-2.64613	5
148.127	-2.70773	5
148.146	-2.72947	5
148.185	-2.8128	5
148.201	-2.89613	5
148.196	-2.97947	5
148.171	-3.0628	5
148.127	-3.11886	5
148.104	-3.14613	5
148.044	-3.19795	5
147.971	-3.22947	5
147.961	-3.23413	5
147.877	-3.25449	5
147.794	-3.2511	5
147.722	-3.22947	5
147.711	-3.22685	5
147.629	-3.14613	5
147.627	-3.14451	5
147.561	-3.0628	5
147.544	-3.00341	5
147.536	-2.97947	5
147.529	-2.89613	5
147.544	-2.82956	5
147.547	-2.8128	5
147.581	-2.72947	5
147.627	-2.67538	5
147.656	-2.64613	5
147.711	-2.60075	5
> 10 contour
147.877	-2.7229	10
147.893	-2.72947	10
147.961	-2.75132	10
148.023	-2.8128	10
148.044	-2.87963	10
148.051	-2.89613	10
148.044	-2.93756	10
148.04	-2.97947	10
147.98	-3.0628	10
147.961	-3.07854	10
147.877	-3.11485	10
147.794	-3.10784	10
147.726	-3.0628	10
147.711	-3.04636	10
147.673	-2.97947	10
147.661	-2.89613	10
147.691	-2.8128	10
147.711	-2.7844	10
147.794	-2.73071	10
147.814	-2.72947	10
147.877	-2.7229	10
> 15 contour
147.794	-2.79884	15
147.877	-2.76626	15
147.946	-2.8128	15
147.961	-2.83063	15
148.002	-2.89613	15
147.982	-2.97947	15
147.961	-3.00422	15
147.877	-3.05311	15
147.794	-3.03176	15
147.743	-2.97947	15
147.725	-2.89613	15
147.777	-2.8128	15
147.794	-2.79884	15
> 20 contour
147.877	-2.80535	20
147.889	-2.8128	20
147.959	-2.89613	20
147.937	-2.97947	20
147.877	-3.02499	20
147.802	-2.97947	20
147.794	-2.95651	20
147.774	-2.89613	20
147.794	-2.86725	20
147.861	-2.8128	20
147.877	-2.80535	20