Complex sentence: In 2004, the tournament widened to 16 teams so that teams from Lima could also compete and the winner and runner-up of the Second Division played in the Round of 16 of the Copa Peru.
Split into simpler sentences: In 2004, the tournament widened to 16 teams, so that teams from Lima could also compete. The winner and runner-up of the Second Division played in the Round of 16 of the Copa Peru.