Directions: Study the following information carefully and answer the questions given below: 

A certain number of persons are sitting in a linear row facing the north. Three persons are sitting between P and Q, who is sitting adjacent to R. P is on the left of R. Z is sitting 2nd to the right of R. Two persons are sitting between Z and Y who is sitting at one of the ends. Y is not sitting adjacent to R, who is sitting 2nd to the right of A. A is sitting exactly in the middle of the row. C is sitting 6th from the left end. P is not sitting to the right of C. Two persons are sitting between C and L. Two persons are sitting between P and M.