How did Chelsea, also champions of the Champions League, go to the Europa League?

Chelsea entered the Europa League knockout stage as the third place after being eliminated from the Champions League group stage. Rules for the promotion of the Champions League group stage: the top two groups in each group qualify, with equal points, and the ranking is determined according to the winning and losing relationship between the two sides; The third place in each group will participate in the knockout of the Europa League 32. Chelsea's Group E, Juventus 12, Miners and Blues 10. As the defending champion, Chelsea, although ranked first in the number of goals in the top 32 of the Champions League group stage, had to go out with a grudge.