Acabo de dibujar los límites de varias comunas:
Comuna 11: https://www.openstreetmap.org/relation/4240316
Comuna 12: https://www.openstreetmap.org/relation/4239028
Comuna 13: https://www.openstreetmap.org/relation/4238168
Comuna 14: https://www.openstreetmap.org/relation/4240239
Comuna 15: https://www.openstreetmap.org/relation/4239231