> 4 contour
321.519	-4.1729	4
321.602	-4.15123	4
321.686	-4.1543	4
321.769	-4.16254	4
321.852	-4.20525	4
321.866	-4.22167	4
321.922	-4.305	4
321.936	-4.38137	4
321.937	-4.38833	4
321.936	-4.39276	4
321.915	-4.47167	4
321.892	-4.555	4
321.852	-4.58514	4
321.769	-4.63817	4
321.769	-4.63833	4
321.686	-4.69033	4
321.602	-4.67847	4
321.529	-4.63833	4
321.519	-4.63247	4
321.454	-4.555	4
321.436	-4.51428	4
321.405	-4.47167	4
321.422	-4.38833	4
321.425	-4.305	4
321.436	-4.28819	4
321.477	-4.22167	4
321.519	-4.1729	4
> 8 contour
321.602	-4.23494	8
321.686	-4.23681	8
321.769	-4.26336	8
321.818	-4.305	8
321.848	-4.38833	8
321.833	-4.47167	8
321.769	-4.55491	8
321.769	-4.555	8
321.686	-4.60247	8
321.602	-4.59193	8
321.557	-4.555	8
321.519	-4.49226	8
321.506	-4.47167	8
321.483	-4.38833	8
321.519	-4.32339	8
321.531	-4.305	8
321.602	-4.23494	8
> 12 contour
321.602	-4.29041	12
321.686	-4.27108	12
321.751	-4.305	12
321.769	-4.31926	12
321.814	-4.38833	12
321.795	-4.47167	12
321.769	-4.50572	12
321.686	-4.55148	12
321.602	-4.52471	12
321.562	-4.47167	12
321.53	-4.38833	12
321.587	-4.305	12
321.602	-4.29041	12
> 16 contour
321.602	-4.34589	16
321.686	-4.30521	16
321.769	-4.37114	16
321.78	-4.38833	16
321.769	-4.43155	16
321.758	-4.47167	16
321.686	-4.52541	16
321.61	-4.47167	16
321.602	-4.45326	16
321.571	-4.38833	16
321.602	-4.34589	16