An “x” in the table below indicates a direct train route between the corresponding cities. Springfield Greenfield Watertown Midland Newhope X X X Springfield Riverside Greenfield Watertown Midland Newhope X X Riverside X X X X X X X X X X X X Draw a graph to represent this information, in which each vertex represents a city and an edge connects two vertices if there is a train route between the corresponding cities. Find a route that visits each city and returns to the starting city without visiting any city twice.

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