PORTLAND — Grace Ramsdell completed a three-point play with 2:08 remaining to break a tie, and top-seeded Wells survived an upset bid, defeating ninth-seeded Maranacook 37-30 in a Class B South girls’ basketball quarterfinal Saturday at the Portland Expo.

Wells (18-1) scored the final nine points after the Black Bears led 30-28 with five minutes left.

Ramsdell, a 1,000-point career scorer, finished with eight to go with seven rebounds as Maranacook (9-10) clogged the middle.

After Ramsdell’s three-point play, Grace Boucher hit both ends of a 1-and-1 with 50 seconds left, then two more free throws with 21 seconds to play.

Maranacook trailed by four points at the half and one point through three quarters behind the inside work of Allie LaBelle and the outside play of Eliza Pattershall. They each finished with nine points.

Boucher had 10 to lead Wells, which hit 3 of 23 3-pointers.

The Warriors will meet York (11-5) at 2:45 p.m. Tuesday in the semifinals at the Expo.

PRESQUE ISLE 45, MT. VIEW 30: Faith Sjoberg set a Class B North tournament record with eight 3-pointers and finished with 30 points as the fourth-seeded Wildcats (14-6) beat the fifth-seeded Vikings (8-12) in a Class B North quarterfinal at Bangor’s Cross Insurance Center.

Mt. View led 9-2 after one quarter and 13-2 early in the second, but Sjoberg fueled a 20-2 surge with five 3-pointers as the Wildcats pulled ahead 22-15 by halftime.

Hannah Coolen scored 15 points and Ari Bradeen added eight for Mt. View.

OLD TOWN 68, CARIBOU 39: Sydney Loring and Madelyn Emerson combined for 18 points in the first quarter, helping the top-seeded Coyotes take control early in a B North quarterfinal win.

Loring got 10 of her 16 points in the opening eight minutes as Old Town (19-1) raced to a 25-8 lead.

Emerson finished with 19 points and Saige Evans added 10 as the Coyotes advanced to a semifinal on Wednesday against No. 4 Presque Isle.

Caribou (10-10) got 11 points from Selena Savage, 10 from Abby Leahy and nine from Ashlyn Bouchard.

OCEANSIDE 60, MEDOMAK VALLEY 28: Freshman standout Bailey Breen poured in 29 points as the second-seeded Mariners rolled in a B South quarterfinal at the Portland Expo.

Oceanside (17-0) opened with an 11-0 run, sparked by back-to-back 3-pointers from Emily Sykes. The Mariners led 15-4 after one quarter and 26-10 at halftime.

The 6-foot-3 Breen then scored 14 of her team’s 21 points in the third quarter as the lead grew to 47-24.

Breen also grabbed 11 rebounds. Abby Waterman had eight points and 15 rebounds.

Alyssa Creamer led Medomak (13-7) with 10 points.

SPRUCE MOUNTAIN 44, LINCOLN 42: Jaydn Pingree sank a go-ahead free throw with 18 seconds remaining, and the third-seeded Phoenix squeaked out a Class B South quarterfinal win at the Portland Expo.

There were three ties and two lead changes in a tense fourth quarter after Lincoln fought back from an eight-point deficit early in the third.

Olivia Mastine led the Phoenix (14-5) with 16 points, including 10 of 12 free throws. Pingree finished with 11 points.

Grace Houghton had 13 points and 15 rebounds for Lincoln (10-7).