All 9 group winners qualify automaticaly, The eight best 2nd placed teams will play two legged matches for the remaining 4 places, Group 9 consists of 5 teams. One less than the other pools. . When calculating the best runners-up , matches against the 6th placed finishers in Groups 1 to 8 will not be taken into consideration. THe criteria to decide the best runners up are
Total Points
Goal Difference
Goals Scored
Goals scored away from home
Disciplinary record
Drawing of Lots
Hope this kind of explains it for you? (I only know this because it's printed in the paper) LOL