What determines the host of the first game of the play-off finals? -league position? (team from the 2nd position in one division will always be the first host when playing a team from the secon division from 3rd of 4th position?)-number of wins (team from the 3nd position with 18 wins will be the hosts when playing a team from a 2nd position with 16 wins?)-combination of 2 previous or something else?