POLYGON((4.17451 49.54886,4.17523 49.5492,4.17616 49.54948,4.17822 49.54982,4.1787 49.54907,4.17729 49.5488,4.17585 49.54852,4.17515 49.54842,4.17467 49.54838,4.1739 49.5484,4.17356 49.54842,4.17386 49.54855,4.17451 49.54886))