20 12-20 13 rules for drawing lots in the champions league. Why can't the same country draw lots in one and a half regions? Before 16, only draw lots in the same half?

The aim of UEFA is to increase the enjoyment of the game.

The Champions League group stage will be divided into eight groups with four teams in each group. Each group is allocated four teams on average, and the teams of the same association do not meet in the group stage.

The draw for the knockout 1/8 final is the first for the team and the second for other teams, so opponents in the same league and group stage need to avoid it.

The draw rules for knockout1quarter finals are random draw, and the upper and lower halves are well distinguished.