<prompt> Yakha inguqulo eyinkimbinkimbi yalesi sigwebo I-Cromerian Complex eYurophu ihlukaniswe yaba yizinkathi ezintathu zeqhwa nezinkathi ezine eziphakathi kweqhwa.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi yomusho ithi I-Cromerian Complex eYurophu okwamanje ihlukaniswe yaba yizinkathi ezintathu zeqhwa nezinkathi ezine ze-interglacial, okulingana nezigaba ze-Marine Isotope 13 kuya ku-21. 