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22 15 A B C 3 30 12 2 D E 12 7 13 F G 12 Figure 1: Graph Figure 1 presents a graph. In what order would the vertices be traversed, using breadth-first search starting at vertex E, assuming that adjacent vertices are visited in alphabetical order? [5 Mark] b) Figure 1 presents a graph. In what order would the vertices be traversed, using depth-first search starting at vertex B, assuming that adjacent vertices are visited in alphabetical order? [5 marks)