The Calais Blue Devils continued their unblemished run through the 2019-2020 season on Tuesday with a 51-33 Class C North girls quarterfinal victory over Penobscot Valley of Howland. Fourth-seeded Calais (20-0) advances to a 3:30 p.m. semifinal game on Friday against the winner of the game between No. 1 Stearns (16-2) and No.