What if all the teams in the Champions League group match are nil? How to calculate qualifying?

If this extreme situation occurs, according to the rules of the Champions League, the final ranking can only be arranged according to the fair competition points of each team.

The following are the ranking rules of the Champions League group stage:

1, integration level

2. If the points are the same, look at the winning-losing relationship.

3. If the relationship between the winner and the loser is the same, look at the number of goals scored by the opponent.

4. If it's the same, let's see who scores more goals away.

5. If it's the same, look at the total goal difference in the group match.

6. If it's the same, look at the total number of goals scored in the group match.

7. If it's the same, look at the point of fair competition.