Complex sentence: Since 2009-10, only 8 teams participate in the league and after the regular season, there are two playoff groups, place 1 to 4 for the championship and the relegation group for teams placed between 5th and 8th positions.
Split into simpler sentences: Since 2009-10, only 8 teams participated in the league and after the regular season, a playoff system was held. In those two playoff groups, place 1 to 4 for the championship and the relegation group for teams placed between 5th and 8th positions.