Comp in tree formation

The competition will be consisted of all teams starting at the bottom of the tree
and each team who wins will move up the tree.

The tree will start with

12 teams the 1st round

6 teams in the 2nd round

Then what ever team gets picked by the number of draw will be put into the runner up to vs the winner

Then the 2 teams who didnt get picked for runner up will vs eachother for 3 round

3 Round 2 teams

4 Runner up vs Finalist

Win.

This will be done again for the 6 teams who did not win at the start