> 1 contour
280.602	18.0881	1
280.686	18.0978	1
280.769	18.0837	1
280.832	18.055	1
280.852	18.0462	1
280.908	17.9717	1
280.925	17.8883	1
280.922	17.805	1
280.898	17.7217	1
280.852	17.6583	1
280.817	17.6383	1
280.769	17.6115	1
280.686	17.5894	1
280.602	17.6067	1
280.543	17.6383	1
280.519	17.6494	1
280.45	17.7217	1
280.436	17.7627	1
280.414	17.805	1
280.407	17.8883	1
280.436	17.9586	1
280.44	17.9717	1
280.519	18.0481	1
280.536	18.055	1
280.602	18.0881	1
> 2 contour
280.602	17.9996	2
280.686	18.0197	2
280.769	17.9953	2
280.801	17.9717	2
280.848	17.8883	2
280.842	17.805	2
280.774	17.7217	2
280.769	17.7179	2
280.686	17.6689	2
280.602	17.6936	2
280.566	17.7217	2
280.519	17.784	2
280.505	17.805	2
280.5	17.8883	2
280.519	17.9176	2
280.563	17.9717	2
280.602	17.9996	2
> 3 contour
280.602	17.9549	3
280.686	17.9711	3
280.769	17.9301	3
280.801	17.8883	3
280.788	17.805	3
280.769	17.7826	3
280.694	17.7217	3
280.686	17.7165	3
280.673	17.7217	3
280.602	17.7392	3
280.542	17.805	3
280.539	17.8883	3
280.602	17.9549	3
> 4 contour
280.602	17.927	4
280.686	17.9561	4
280.763	17.8883	4
280.756	17.805	4
280.686	17.7387	4
280.602	17.769	4
280.569	17.805	4
280.566	17.8883	4
280.602	17.927	4
> 5 contour
280.602	17.899	5
280.686	17.9411	5
280.746	17.8883	5
280.736	17.805	5
280.686	17.7579	5
280.602	17.7989	5
280.597	17.805	5
280.592	17.8883	5
280.602	17.899	5