> 0.2 contour
251.889	42.7536	0.2
251.973	42.7395	0.2
252.007	42.7212	0.2
252.056	42.7007	0.2
252.109	42.6379	0.2
252.118	42.5546	0.2
252.131	42.4712	0.2
252.056	42.4091	0.2
251.976	42.3879	0.2
251.973	42.3856	0.2
251.889	42.3707	0.2
251.806	42.3859	0.2
251.801	42.3879	0.2
251.723	42.3989	0.2
251.648	42.4712	0.2
251.639	42.5416	0.2
251.635	42.5546	0.2
251.639	42.5617	0.2
251.696	42.6379	0.2
251.723	42.664	0.2
251.806	42.7144	0.2
251.835	42.7212	0.2
251.889	42.7536	0.2
> 0.4 contour
251.806	42.6774	0.4
251.889	42.6673	0.4
251.926	42.6379	0.4
251.973	42.6176	0.4
252.049	42.5546	0.4
251.984	42.4712	0.4
251.973	42.4672	0.4
251.889	42.4277	0.4
251.806	42.4475	0.4
251.723	42.4547	0.4
251.706	42.4712	0.4
251.723	42.5415	0.4
251.724	42.5546	0.4
251.76	42.6379	0.4
251.806	42.6774	0.4
> 0.6 contour
251.806	42.6405	0.6
251.814	42.6379	0.6
251.889	42.6215	0.6
251.973	42.5733	0.6
251.995	42.5546	0.6
251.973	42.529	0.6
251.889	42.4722	0.6
251.806	42.4904	0.6
251.751	42.5546	0.6
251.803	42.6379	0.6
251.806	42.6405	0.6