Pairings are now set for Tuesday's SoDak 16 boys' basketball games following regional semifinals. The contests for Class A and Class B will take place at neutral locations with the winners of each contest advancing to state tournaments the following week. Here are the matchups for each class: Class A 16 Sanborn Central-Woonsocket (11-11) vs. 1 Sioux Falls Christian (22-0), 7 p.m. at West Central 15 Hanson (14-8) vs. 2 Hamlin (19-3), 7 p.m. at Arlington 14 Lakota Tech (11-10) vs. 3 Sioux Valley (20-2), 5:30 p.m. at Chamberlain 13 Cheyenne-Eagle Butte (14-7) vs. 4 Pine Ridge (20-1), 6 p.m. at Douglas 12 McLaughlin (16-6) vs. 5 Dakota Valley (19-2), 5:30 p.m. at the Corn Palace 11 Vermillion (15-7) vs. 6 Hot Springs (18-3), 5:30 p.m. at Kadoka 10 Milbank (17-5) vs. 7 Rapid City Christian (19-3), 6 p.m. at Pierre 9 Dell Rapids (17-5) vs. 8 Groton (18-4), 6 p.m. at Watertown Class B 16 Highmore-Harrold (13-9) vs. 1 White River (20-2), 7 p.m. at Fort Pierr