> 1 contour
286.31	45.7256	1
286.394	45.7127	1
286.477	45.7045	1
286.478	45.7037	1
286.477	45.7029	1
286.394	45.6946	1
286.31	45.6822	1
286.288	45.7037	1
286.31	45.7256	1