 From every group the 3 best teams advanced to the second stage and the 3 worst teams were eliminated.In the second stage 2 new groups were formed.The 3 best teams from groups A and B were united to form group E whereas the 3 best teams from groups C and D were united to form group F.

In these two new groups of the second stage only matches by teams that had not yet played each other had to be played.