POLYGON((4.31661 50.03993,4.31661 49.94993,4.31661 49.85993,4.40661 49.85993,4.49662 49.85993,4.58662 49.85993,4.67662 49.85993,4.67663 49.94993,4.67663 50.03993,4.58662 50.03993,4.49662 50.03993,4.40661 50.03993,4.31661 50.03993))