> 0.5 contour
223.57	68.2365	0.5
223.653	68.2204	0.5
223.737	68.2181	0.5
223.82	68.213	0.5
223.903	68.2081	0.5
223.987	68.2003	0.5
224.015	68.1984	0.5
224.07	68.1958	0.5
224.153	68.1604	0.5
224.237	68.1315	0.5
224.273	68.115	0.5
224.32	68.0904	0.5
224.401	68.0317	0.5
224.403	68.0267	0.5
224.446	67.9484	0.5
224.423	67.865	0.5
224.403	67.8452	0.5
224.327	67.7817	0.5
224.32	67.7777	0.5
224.237	67.7358	0.5
224.153	67.7087	0.5
224.129	67.6984	0.5
224.07	67.6695	0.5
223.987	67.664	0.5
223.903	67.6563	0.5
223.82	67.652	0.5
223.737	67.6478	0.5
223.653	67.6474	0.5
223.57	67.6335	0.5
223.487	67.6654	0.5
223.403	67.6794	0.5
223.334	67.6984	0.5
223.32	67.7013	0.5
223.237	67.7223	0.5
223.153	67.756	0.5
223.108	67.7817	0.5
223.07	67.819	0.5
223.019	67.865	0.5
222.996	67.9484	0.5
223.044	68.0317	0.5
223.07	68.0525	0.5
223.153	68.1115	0.5
223.161	68.115	0.5
223.237	68.1465	0.5
223.32	68.1704	0.5
223.403	68.1879	0.5
223.487	68.1961	0.5
223.493	68.1984	0.5
223.57	68.2365	0.5
> 1 contour
223.403	68.0519	1
223.487	68.0832	1
223.57	68.1123	1
223.653	68.1108	1
223.737	68.1087	1
223.82	68.1038	1
223.903	68.0969	1
223.987	68.079	1
224.07	68.0337	1
224.073	68.0317	1
224.148	67.9484	1
224.11	67.865	1
224.07	67.8387	1
223.987	67.7934	1
223.928	67.7817	1
223.903	67.776	1
223.82	67.7665	1
223.737	67.7547	1
223.653	67.7503	1
223.57	67.7498	1
223.505	67.7817	1
223.487	67.7879	1
223.403	67.8172	1
223.325	67.865	1
223.32	67.8778	1
223.288	67.9484	1
223.32	67.9863	1
223.364	68.0317	1
223.403	68.0519	1
> 1.5 contour
223.57	68.0533	1.5
223.653	68.0721	1.5
223.737	68.0728	1.5
223.82	68.0616	1.5
223.903	68.0404	1.5
223.925	68.0317	1.5
223.987	67.986	1.5
224.018	67.9484	1.5
223.987	67.8902	1.5
223.973	67.865	1.5
223.903	67.8275	1.5
223.82	67.8075	1.5
223.737	67.7986	1.5
223.653	67.7992	1.5
223.57	67.8148	1.5
223.487	67.8472	1.5
223.456	67.865	1.5
223.41	67.9484	1.5
223.487	68.0142	1.5
223.522	68.0317	1.5
223.57	68.0533	1.5
> 2 contour
223.653	68.0334	2
223.737	68.0369	2
223.764	68.0317	2
223.82	68.0248	2
223.903	67.9914	2
223.952	67.9484	2
223.903	67.8819	2
223.886	67.865	2
223.82	67.8386	2
223.737	67.8244	2
223.653	67.8299	2
223.574	67.865	2
223.57	67.8706	2
223.487	67.9453	2
223.485	67.9484	2
223.487	67.9501	2
223.57	67.9932	2
223.648	68.0317	2
223.653	68.0334	2
> 2.5 contour
223.653	68.0044	2.5
223.737	68.0143	2.5
223.82	68.0012	2.5
223.9	67.9484	2.5
223.82	67.8702	2.5
223.803	67.865	2.5
223.737	67.8503	2.5
223.653	67.8606	2.5
223.643	67.865	2.5
223.58	67.9484	2.5
223.653	68.0044	2.5
> 3 contour
223.653	67.976	3
223.737	67.994	3
223.82	67.9776	3
223.864	67.9484	3
223.82	67.9051	3
223.737	67.8785	3
223.653	67.9041	3
223.617	67.9484	3
223.653	67.976	3