Complex sentence: In 2006, the league was planned to expand to 16 teams with the newly promoted Xiamen Lanshi and Changchun Yatai, however, Sichuan Guancheng withdrew before the start of the season, leaving only 15 teams when the season started on March 11.
Split into simpler sentences: In 2006, the league was planned to expand to 16 teams with the newly promoted Xiamen Lanshi and Changchun Yatai. However, Sichuan Guancheng withdrew before the start of the season, leaving only 15 teams when the season started on March 11.