Complex sentence: The teams have competed in different divisions for most of their subsequent histories, spending only 12 seasons in the same division of the Football League, and meeting a total of 39 times in league and cup competitions since 1916.
Split into simpler sentences: The teams have usually competed in different divisions since, spending only 12 seasons in the same tier of the Football League. They have played a total of 39 times in league and cup competitions since 1916.