Step 1: All teams make a list of five preferences for leaders.
Step 2: If a team has chosen the same leader as another team for their first preference, and they are happy with this, then they are allowed to keep that leader.
Step 3: If a team has chosen the same leader as another team for their first preference, and they are not happy with this, then they have the option to change their leader to the next-highest preference on their list that is not a duplicate.