> 0.1 contour
267.509	35.3965	0.1
267.592	35.439	0.1
267.675	35.4453	0.1
267.759	35.4383	0.1
267.842	35.3874	0.1
267.86	35.3621	0.1
267.876	35.2788	0.1
267.872	35.1954	0.1
267.842	35.1586	0.1
267.759	35.1229	0.1
267.683	35.1121	0.1
267.675	35.1094	0.1
267.667	35.1121	0.1
267.592	35.1189	0.1
267.509	35.1605	0.1
267.489	35.1954	0.1
267.43	35.2788	0.1
267.475	35.3621	0.1
267.509	35.3965	0.1
> 0.2 contour
267.592	35.3796	0.2
267.675	35.3998	0.2
267.759	35.3646	0.2
267.762	35.3621	0.2
267.801	35.2788	0.2
267.775	35.1954	0.2
267.759	35.1848	0.2
267.675	35.142	0.2
267.592	35.1612	0.2
267.552	35.1954	0.2
267.526	35.2788	0.2
267.569	35.3621	0.2
267.592	35.3796	0.2
> 0.3 contour
267.592	35.3221	0.3
267.675	35.3592	0.3
267.754	35.2788	0.3
267.715	35.1954	0.3
267.675	35.1725	0.3
267.609	35.1954	0.3
267.592	35.2121	0.3
267.563	35.2788	0.3
267.592	35.3221	0.3