Which of the following groups are facing the centre?

Explanation

L sits opposite to O such that both are facing opposite direction. Three people sit between Q and M such that both are facing same direction. R sits immediate right of M. Q sits immediate right of L. Immediate neighbors of L are facing opposite direction. There will be two cases: If L sits at place no. 1 and faces the centre, then Q sits at place no. 8. O sits at place no. 5. M sits at place no. 4 and faces the centre such that R will sit at place no. 3. If L sits at place no. 1 and faces outside the centre, then Q sits at place no. 2. O sits at place no. 5. M sits at place no. 6 and faces the outside centre such that R will sit at place no. 7.