To find the route from A town to a city, not all E through the city unique.Route 1 A, B, D, E, long distance in 2 + 1 + 3 = 6 km. Route 2 A, B, D, F, E, long distance in 2 + 1 + 2 + 2 = 7 km.Route 3 A, B, C, D, F, E, long distance in 2 + 1 + 3 + 6 + 2 = 14 km.Route 4 A, C, F, E, long distances of 5 +, 6 + 2 = 13 km.Route 5, A, C, F, D, E, long distance 5 + 6 + 2 + 3 = 16 km.
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