The road to a state championship game is rarely easy. But the similar routes taken by the Hampden Academy and Dexter boys basketball teams epitomize the depth and the unpredictability of tourney time in Maine. Hampden Academy, which finished the regular season nearly 60 Heal Points ahead of its nearest Class A North rival, barely led in any of its three regional tournament games at the Augusta Civic Center. Yet the 20-1 Broncos survived considerable last-second drama to win those three contests by a combined seven points.