> 4 contour
252.66	-43.5307	4
252.743	-43.4957	4
252.827	-43.4611	4
252.91	-43.4721	4
252.993	-43.4805	4
253.077	-43.5054	4
253.137	-43.5354	4
253.16	-43.5471	4
253.239	-43.6187	4
253.243	-43.6253	4
253.291	-43.702	4
253.304	-43.7854	4
253.288	-43.8687	4
253.243	-43.9318	4
253.228	-43.952	4
253.16	-44.0044	4
253.089	-44.0354	4
253.077	-44.0409	4
252.993	-44.0685	4
252.91	-44.0795	4
252.827	-44.0903	4
252.743	-44.0507	4
252.705	-44.0354	4
252.66	-44.0203	4
252.577	-43.9622	4
252.565	-43.952	4
252.505	-43.8687	4
252.493	-43.8131	4
252.486	-43.7854	4
252.493	-43.7463	4
252.499	-43.702	4
252.545	-43.6187	4
252.577	-43.5876	4
252.653	-43.5354	4
252.66	-43.5307	4
> 8 contour
252.827	-43.5905	8
252.91	-43.585	8
252.984	-43.6187	8
252.993	-43.622	8
253.077	-43.6793	8
253.098	-43.702	8
253.124	-43.7854	8
253.077	-43.8687	8
253.077	-43.8693	8
252.993	-43.9327	8
252.91	-43.9471	8
252.827	-43.9481	8
252.743	-43.9072	8
252.698	-43.8687	8
252.665	-43.7854	8
252.686	-43.702	8
252.743	-43.6455	8
252.784	-43.6187	8
252.827	-43.5905	8
> 12 contour
252.827	-43.6594	12
252.91	-43.6376	12
252.993	-43.6798	12
253.02	-43.702	12
253.055	-43.7854	12
252.993	-43.867	12
252.99	-43.8687	12
252.91	-43.9032	12
252.827	-43.8824	12
252.805	-43.8687	12
252.743	-43.8104	12
252.727	-43.7854	12
252.743	-43.7512	12
252.772	-43.702	12
252.827	-43.6594	12
> 16 contour
252.91	-43.6736	16
252.957	-43.702	16
252.993	-43.7476	16
253.014	-43.7854	16
252.993	-43.8129	16
252.91	-43.8634	16
252.827	-43.8238	16
252.787	-43.7854	16
252.827	-43.7259	16
252.848	-43.702	16
252.91	-43.6736	16