def METHOD_NAME():
    # Four nodes arranged at the corners of a 200x200 square with one node
    # at the center
    nodes_df = pd.DataFrame({'id': np.arange(5),
                             'x': [0, -100, 100, -100, 100],
                             'y': [0, 100, 100, -100, -100]})
    nodes_df.set_index('id')
    return nodes_df