sentences:  The acropolis is bordered on the north side by the ballcourt and plazas D and E. It is bordered on the western side by Via 5 and on the southern side by Via 6.In its final form during the Terminal Classic the basal platform formed an irregular rectangle measuring east-west by north-south.The platform had stepped levels and rounded corners; the principal access appears to have been a stairway on the west half of the north side, which linked Plaza E with Patios 5 and 6 of the acropolis.