From what I understand, 12 teams are qualified directly and 4 more come through the qualies. Then, those 16 teams are drawn into 4 groups. After the main round, there will be Playoffs 6 assurance enterrement (the top ranked teams of their groups + 2 best 2nd ranked I suppose) and final 4, as usual.
TUR, RUS, POL and AZE get 3 teams in the CL, two qualfied directly and one to compete in the qualies.
Italy only with two teams, though, one directly in the main round and one in the qualies.
It will truly be a battle titan because all these teams are fantastic as each other