The route map for the northern routes of Big Sky Airlines for May 2001 is given in Figure 3 below. Produce an adjacency matrix for this map. The current route map is available at hosts3.in-tch.com/www.bigskyair.com/northern routes.html Kaispell Lewist BILLING Figure 3: Northern Route Map for Big Sky Airlines - May 2001 List the three-step sequences between C and F in Figure 1, and confirm that there are indeed 5 of them.