Original sentence: The Gutians  (also Guteans, Guti, Quti, Qurtie, Qurti, Kurti and Kurdu  ) were a tribe from northern and central ranges of the Zagros Mountains that overran southern Mesopotamia when the Akkadian empire collapsed in approximately 2154 BC
Edited sentence: The Gutians  (also Guteans, Guti, Quti) were a tribe from northern and central ranges of the Zagros Mountains that overran southern Mesopotamia when the Akkadian empire collapsed in approximately 2154 BC