1) -[-(dallas,tx . seattle, wa) V -(-boise, id V -fargo,
nd)]
2) -[-( santa fe, nm . ok city, ok) V-(- lousiville, ky V-
albany, ny)]
3) -[(- columbus, oh V desmoines, iowa) . -(- phoenix, az V
omaha, ne)]
4) -[(-dodge, kansas V Kasas city, kansas) . -(-portland, oregon
V sacramento, ca)]
5.) -[(- indianapolis,indiana . little rock Arkansas) V -(-
helena, montana . sioux falls, sd)]