Let me talk about Greece. The first place in the Greek A regular season was Olympiakos, who won the championship directly according to the rules, and two to five players were eliminated. The play-off points algorithm is even more magical. The team's regular season points are divided by 5, plus the play-off points. Not to mention the specific scores, Panathinaikos beat Thessaloniki to win the runner-up anyway. In the end, Olympiacos directly advanced to the Champions League group stage, and Panathinakos participated in the non-champion group qualifiers.
Belgium and Greece's European league rankings determine that they have two teams to participate in the Champions League. Only the Belgian league champion participates in the champion group of the weak league champion, and the Greek league champion directly advances to the Champions League group stage, while the runners-up of the two countries have to participate in the non-champion group with Arsenal, Bayern, Lyon, Villarreal and other teams, and the promotion may be extremely low. These two countries are actually two teams that have won the Champions League seats.