POLYGON((3.81771 48.17306,3.8182 48.17328,3.8183 48.1733,3.8185 48.17331,3.81905 48.17326,3.81952 48.17318,3.81982 48.17311,3.82005 48.17299,3.81992 48.17288,3.81914 48.17288,3.81779 48.17291,3.81769 48.17297,3.81765 48.17301,3.81771 48.17306))