ORONO, Maine — Dominating the freestyle events and establishing state and pool records, the Cape Elizabeth Capers won their third consecutive Maine Principals’ Association Class B Swimming and Diving Championship Monday at the University of Maine. Coach Ben Raymond’s team amassed 487 points, Greely of Cumberland Center scored 300 1/2 and the young Mount Desert Island Trojans of Bar Harbor, who swam aggressively throughout the meet, climbed into third with 245 points. “All the kids swam outstandingly.