> 4 contour
20.8253	37.5859	4
20.9086	37.6317	4
20.992	37.6219	4
21.0753	37.61	4
21.1541	37.5784	4
21.1586	37.5769	4
21.242	37.5297	4
21.2802	37.4951	4
21.3253	37.421	4
21.331	37.4117	4
21.3495	37.3284	4
21.3386	37.2451	4
21.3253	37.2202	4
21.2964	37.1617	4
21.242	37.109	4
21.1941	37.0784	4
21.1586	37.0571	4
21.0753	37.0255	4
20.992	37.0125	4
20.9086	37.0064	4
20.8253	37.0452	4
20.7611	37.0784	4
20.742	37.0879	4
20.6613	37.1617	4
20.6586	37.1665	4
20.612	37.2451	4
20.6015	37.3284	4
20.6193	37.4117	4
20.6586	37.4704	4
20.6756	37.4951	4
20.742	37.5526	4
20.7985	37.5784	4
20.8253	37.5859	4
> 8 contour
20.8253	37.4405	8
20.9086	37.4888	8
20.992	37.4899	8
21.0753	37.4726	8
21.1477	37.4117	8
21.1586	37.382	8
21.184	37.3284	8
21.1586	37.2486	8
21.158	37.2451	8
21.0753	37.1684	8
21.0441	37.1617	8
20.992	37.1437	8
20.9086	37.1462	8
20.8844	37.1617	8
20.8253	37.1971	8
20.7799	37.2451	8
20.7599	37.3284	8
20.7954	37.4117	8
20.8253	37.4405	8
> 12 contour
20.9086	37.4205	12
20.992	37.4457	12
21.0622	37.4117	12
21.0753	37.4039	12
21.1289	37.3284	12
21.0933	37.2451	12
21.0753	37.2284	12
20.992	37.1898	12
20.9086	37.2143	12
20.8677	37.2451	12
20.8258	37.3284	12
20.8963	37.4117	12
20.9086	37.4205	12
> 16 contour
20.9086	37.3596	16
20.992	37.406	16
21.0753	37.3494	16
21.0902	37.3284	16
21.0753	37.2995	16
21.03	37.2451	16
20.992	37.2242	16
20.9463	37.2451	16
20.9086	37.2858	16
20.8802	37.3284	16
20.9086	37.3596	16