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Q: What is the pattern to this list:
 Boston, MA
 New York, NY
 Philadelphia, PA
 Cleveland, OH
 Richmond, VA
 Atlanta, GA
 Chicago, IL
 St. Louis, MO
 Minneapolis, MN
 Kansas City, MO
 Dallas, TX
 San Francisco, CA

A: Each of the cities is a location for a Federal Reserve.  The cities
are listed in alphabetical order based on the letter that represents each
city on a dollar bill.
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