# This graph example is from page 670 of our text
# I like this format better
.directed

.vertices 10
Chicago
Fort Wayne
Indianapolis
Ann Arbor
Toledo
Detroit
Columbus
Cleveland
Pittsburgh
Philadelphia

.edges 14
Chicago,Ann Arbor,260
Chicago,Fort Wayne,148
Chicago,Indianapolis,180
Fort Wayne,Indianapolis,120
Indianapolis,Columbus,180
Ann Arbor,Toledo,40
Ann Arbor,Detroit,50
Detroit,Toledo,60
Toledo,Cleveland,120
Toledo,Columbus,155
Columbus,Cleveland,150
Cleveland,Pittsburgh,130
Columbus,Pittsburgh,180
Pittsburgh,Philadelphia,320