{'Berkshire Academy', 'Nobles'}
Cycle detected: {'Winsor', 'Middlesex', 'Brooks', 'Groton', 'Pomfret', 'BB&N', "St. Mark's", 'Taft', 'Choate', 'NMH'}
{'Greenwich Country Day', 'Hopkins'}
{'Lyme/Old Lyme', 'Cambridge RLS'}
{'Newton Country Day', 'Canterbury'}