> 2 contour
321.602	-4.18905	2
321.682	-4.22167	2
321.686	-4.22253	2
321.769	-4.23536	2
321.852	-4.27576	2
321.873	-4.305	2
321.903	-4.38833	2
321.852	-4.46051	2
321.849	-4.47167	2
321.821	-4.555	2
321.769	-4.60167	2
321.686	-4.63833	2
321.686	-4.63841	2
321.685	-4.63833	2
321.602	-4.63526	2
321.523	-4.555	2
321.519	-4.54592	2
321.459	-4.47167	2
321.456	-4.38833	2
321.489	-4.305	2
321.519	-4.27841	2
321.558	-4.22167	2
321.602	-4.18905	2
> 4 contour
321.602	-4.28283	4
321.686	-4.28258	4
321.753	-4.305	4
321.769	-4.31213	4
321.818	-4.38833	4
321.797	-4.47167	4
321.769	-4.51208	4
321.686	-4.55486	4
321.602	-4.51746	4
321.58	-4.47167	4
321.525	-4.38833	4
321.583	-4.305	4
321.602	-4.28283	4
> 6 contour
321.602	-4.36139	6
321.686	-4.31883	6
321.767	-4.38833	6
321.733	-4.47167	6
321.686	-4.50353	6
321.648	-4.47167	6
321.602	-4.41489	6
321.582	-4.38833	6
321.602	-4.36139	6