AUGUSTA, Maine — The vast majority of the Hampden Academy boys basketball team learned the hard way last year about the perils a high tournament seed faces. Presented a second chance Saturday night, the Broncos used defense to maintain their claim to the No. 1 seed in Class A North. Johnny Wolfington scored 15 points and Hampden limited Brewer to just 38 field-goal attempts in 32 minutes Saturday night to defeat the stubborn Witches 48-40 in a regional quarterfinal at the Augusta Civic Center. “Even though we didn’t have our offense we were able to stay composed and play hard on defense and that’s what helped us get the win,” said senior Wolfington, who in 2017 was part of a second-seeded Hampden squad that was upset by No.