City newyork added to the graph
City boston added to the graph
add-city newyork failed
Link added between boston and newyork
add-link boston newark failed
add-link newyork boston failed
Neighbors for city boston:  newyork
Neighbors for city newyork:  boston
City newark added to the graph
Link added between newark and newyork
neighbors philadelphia failed.
City providence added to the graph
Link added between providence and boston
City albany added to the graph
City philadelphia added to the graph
Link added between philadelphia and newark
City baltimore added to the graph
Link added between philadelphia and baltimore
Neighbors for city newark:  newyork philadelphia
Link added between newyork and albany
Neighbors for city newyork:  albany boston newark
City newyork removed from the graph
City newyork added to the graph
City washington added to the graph
Link added between newyork and providence
Link added between newyork and newark
Link added between newyork and baltimore
Link added between baltimore and washington
City pittsburgh added to the graph
City cleveland added to the graph
City buffalo added to the graph
City bloomington added to the graph
City chicago added to the graph
Link added between pittsburgh and cleveland
Link added between cleveland and buffalo
Link added between cleveland and bloomington
Link added between bloomington and chicago
City harrisburg added to the graph
Link added between philadelphia and harrisburg
Link added between philadelphia and pittsburgh
Link added between harrisburg and pittsburgh
Link added between boston and newyork
Link between philadelphia and pittsburgh removed
Neighbors for city newyork:  baltimore boston newark providence
Neighbors for city boston:  newyork providence
Neighbors for city newark:  newyork philadelphia
Neighbors for city philadelphia:  baltimore harrisburg newark
Neighbors for city providence:  boston newyork
Neighbors for city albany:  - none -
Neighbors for city baltimore:  newyork philadelphia washington
Neighbors for city washington:  baltimore
Neighbors for city pittsburgh:  cleveland harrisburg
Neighbors for city cleveland:  bloomington buffalo pittsburgh
Neighbors for city buffalo:  cleveland
Neighbors for city bloomington:  chicago cleveland
Neighbors for city chicago:  bloomington
Neighbors for city harrisburg:  philadelphia pittsburgh