POLYGON((3.71707 49.85046,3.71338 49.84559,3.72806 49.84094,3.73355 49.83773,3.73836 49.8281,3.75183 49.83015,3.74496 49.84432,3.73097 49.84925,3.72085 49.85174,3.71707 49.85046))