Begin by choosing a longitude from -65 thru -120 by entering it (only multiples of 5). Then, name the US cities from that longitude thru 5 degrees west of it – i.e. if you chose ‘-70’ you would be naming the cities from -70 to -75 longitude. Object is to achieve the highest population.
Enter a longitude multiple of 5 from -65 to -120 to begin (i.e. '-75').