text: The Romans then undertook a night march to escape , but marched into another trap that Arminius had set , at the foot of Kalkriese Hill ( near OsnabrÃ 1\/4 ck ) .
simplified: The Romans then began a night march to escape , but marched into another trap that Arminius had set , at the foot of a kill near OsnabrÃ 1\/4 ck .