The Maranacook boys basketball team beat Lake Region 64-40 to earn a place in the B South regional final game. First-seeded Maranacook will play the winner of No. 6 Wells and No. 7 Cape Elizabeth on Friday, Feb. 21, at 3:45 p.m. at the Portland Expo Center. Maranacook improves to 18-2. Lake Region finishes their season with a 9-11 record.