Directions: Nine persons from P, Q, R, S, T, U, V, W and X sit around a circular table such that some of them face towards the centre while some face away from the centre. R sits third to the right of Q. U sits second to the left of R, who is on the immediate left of P. Both P and R face the same direction. S sits third to the left of U. Only 2 persons sit between T and V when counted from right of V. V is not adjacent to R. Neither T nor V is adjacent to P. Immediate neighbours of S face opposite directions. X is third to the left of T. X and W face the same direction but does not sit adjacent. Immediate neighbours of Q face the same direction as faced by Q. W does not face the centre.
What is the difference between the persons who face towards the centre and the persons who do not face towards centre?