Aurora	Bolingbrook	Normal
Joliet	Decatur	Oak Park
Naperville	Skokie	Hoffman Estates
Rockford	Palatine	Downers Grove
Elgin	Des Plaines	Plainfield
Waukegan	Orland Park	Glenview
Cicero	Oak Lawn	Elmhurst
Bloomington	Berwyn	Lombard
Schaumburg	Mount Prospect	Buffalo Grove
Evanston	Tinley Park
Arlington Heights	Wheaton