A security guard must patrol on foot the streets of the Green Hills subdivision shown in
Chapter 5, Problem 53(choose chapter or problem)
A security guard must patrol on foot the streets of the Green Hills subdivision shown in Fig. 39. The security guard wants to start and end his walk at the corner labeled A, and he needs to cover each block of the subdivision at least once. Find an optimal route for the security guard. Describe the route by labeling the edges 1, 2, 3, and so on in the order in which they are traveled. (Hint: You should do Exercise 21 first.)
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