Solutions
1) EZ is sitting two places away from one of the extreme ends.
2) AZ is sitting three places away from EZ in left direction.


3) BZ, who is not sitting near to AZ and EZ, faces north direction.
4) PZ is sitting three places away from BZ.


5) GZ is sitting two places away from DZ, in right direction. GZ is sitting at somewhere middle of the line.
6) DZ, who is facing north, is not sitting near to BZ.
(Here, case 2 will be eliminated, we will continue with case 1)


7) Everyone is sitting to the left of FZ.
8) The persons sitting near to CZ, faces same direction.
9) AZ is facing different direction from GZ, PZ and CZ.

Therefore, except GZ, all are facing the north direction.