> 4 contour
164.374	-10.7587	4
164.457	-10.7333	4
164.541	-10.7302	4
164.624	-10.749	4
164.648	-10.7604	4
164.707	-10.7856	4
164.776	-10.8438	4
164.791	-10.8647	4
164.832	-10.9271	4
164.859	-11.0104	4
164.863	-11.0938	4
164.849	-11.1771	4
164.799	-11.2604	4
164.791	-11.2698	4
164.707	-11.3407	4
164.701	-11.3438	4
164.624	-11.383	4
164.541	-11.3993	4
164.457	-11.3954	4
164.374	-11.3749	4
164.337	-11.3438	4
164.291	-11.2981	4
164.254	-11.2604	4
164.211	-11.1771	4
164.207	-11.1565	4
164.192	-11.0938	4
164.197	-11.0104	4
164.207	-10.9796	4
164.222	-10.9271	4
164.278	-10.8438	4
164.291	-10.8318	4
164.372	-10.7604	4
164.374	-10.7587	4
> 8 contour
164.457	-10.8806	8
164.541	-10.8664	8
164.624	-10.9044	8
164.65	-10.9271	8
164.703	-11.0104	8
164.707	-11.0938	8
164.677	-11.1771	8
164.624	-11.2252	8
164.541	-11.2546	8
164.457	-11.2489	8
164.374	-11.1976	8
164.358	-11.1771	8
164.328	-11.0938	8
164.335	-11.0104	8
164.374	-10.9435	8
164.389	-10.9271	8
164.457	-10.8806	8
> 12 contour
164.541	-10.9241	12
164.546	-10.9271	12
164.624	-10.9822	12
164.647	-11.0104	12
164.659	-11.0938	12
164.624	-11.1424	12
164.585	-11.1771	12
164.541	-11.206	12
164.457	-11.1835	12
164.449	-11.1771	12
164.393	-11.0938	12
164.404	-11.0104	12
164.457	-10.955	12
164.532	-10.9271	12
164.541	-10.9241	12
> 16 contour
164.541	-10.9515	16
164.607	-11.0104	16
164.618	-11.0938	16
164.541	-11.1689	16
164.457	-11.1172	16
164.44	-11.0938	16
164.457	-11.021	16
164.459	-11.0104	16
164.541	-10.9515	16