> 2 contour
285.477	45.8047	2
285.56	45.82	2
285.616	45.787	2
285.644	45.7037	2
285.598	45.6204	2
285.56	45.598	2
285.522	45.6204	2
285.477	45.6486	2
285.474	45.6204	2
285.394	45.5449	2
285.318	45.6204	2
285.394	45.7001	2
285.428	45.7037	2
285.424	45.787	2
285.477	45.8047	2