Big convex hull MULTIPOINT((-1000000000000000000000000 -1000000000000000000000000), (1000000000000000000000000 -1000000000000000000000000), (1000000000000000000000000 1000000000000000000000000), (-1000000000000000000000000 1000000000000000000000000), (0 0)) POLYGON( (-1000000000000000000000000 -1000000000000000000000000, -1000000000000000000000000 1000000000000000000000000, 1000000000000000000000000 1000000000000000000000000, 1000000000000000000000000 -1000000000000000000000000, -1000000000000000000000000 -1000000000000000000000000))