> 4 contour
79.8509	-3.66253	4
79.9343	-3.66753	4
79.9813	-3.6764	4
80.0176	-3.68119	4
80.1009	-3.71593	4
80.1582	-3.75973	4
80.1843	-3.78494	4
80.2311	-3.84307	4
80.2621	-3.9264	4
80.2676	-3.96055	4
80.2793	-4.00973	4
80.2729	-4.09307	4
80.2676	-4.10742	4
80.2485	-4.1764	4
80.1965	-4.25973	4
80.1843	-4.27358	4
80.1009	-4.34219	4
80.099	-4.34307	4
80.0176	-4.38234	4
79.9343	-4.40097	4
79.8509	-4.40304	4
79.7676	-4.35647	4
79.7442	-4.34307	4
79.6843	-4.30667	4
79.6386	-4.25973	4
79.6009	-4.19802	4
79.5882	-4.1764	4
79.559	-4.09307	4
79.5549	-4.00973	4
79.5707	-3.9264	4
79.6009	-3.86341	4
79.6096	-3.84307	4
79.6783	-3.75973	4
79.6843	-3.75429	4
79.7676	-3.69996	4
79.8233	-3.6764	4
79.8509	-3.66253	4
> 8 contour
79.8509	-3.81885	8
79.9343	-3.81974	8
79.9965	-3.84307	8
80.0176	-3.84916	8
80.094	-3.9264	8
80.1009	-3.95113	8
80.1234	-4.00973	8
80.1148	-4.09307	8
80.1009	-4.11633	8
80.0611	-4.1764	8
80.0176	-4.2131	8
79.9343	-4.25379	8
79.8509	-4.24579	8
79.7759	-4.1764	8
79.7676	-4.16581	8
79.7148	-4.09307	8
79.7049	-4.00973	8
79.7384	-3.9264	8
79.7676	-3.88924	8
79.8178	-3.84307	8
79.8509	-3.81885	8
> 12 contour
79.8509	-3.88818	12
79.9343	-3.86788	12
80.0158	-3.9264	12
80.0176	-3.92865	12
80.0716	-4.00973	12
80.0562	-4.09307	12
80.0176	-4.13761	12
79.963	-4.1764	12
79.9343	-4.19643	12
79.8749	-4.1764	12
79.8509	-4.16863	12
79.7844	-4.09307	12
79.7695	-4.00973	12
79.8114	-3.9264	12
79.8509	-3.88818	12
> 16 contour
79.9343	-3.89984	16
79.9713	-3.9264	16
80.0176	-3.98409	16
80.0347	-4.00973	16
80.0176	-4.0647	16
80.0091	-4.09307	16
79.9343	-4.15665	16
79.8509	-4.11365	16
79.8328	-4.09307	16
79.8073	-4.00973	16
79.8509	-3.94536	16
79.8751	-3.9264	16
79.9343	-3.89984	16
> 20 contour
79.8509	-4.00119	20
79.9343	-3.93058	20
80.0056	-4.00973	20
79.9734	-4.09307	20
79.9343	-4.12629	20
79.8812	-4.09307	20
79.8509	-4.02611	20
79.8451	-4.00973	20
79.8509	-4.00119	20