Complex sentence: In 2012--13, the club participated in the Bundesliga, the top tier of German football; it is the club's 32nd consecutive season in this league, having been promoted from the 2.
Split into simpler sentences: In 2012--13 the club plays in the Bundesliga, the top tier of German football. It is the clubs thirty-second consecutive season in this league, having been promoted from the 2.