11:00-12:00, 1:00-2:00, 3:00-4:00
10:30-11:30, 12:30-1:30, 2:30-3:30
10:00-11:00, 12:00-1:00, 2:00-3:00
12:00-4:00
11:15-11:45, 1:15-1:45, 3:15-3:45