Eight persons, R, S, T, U, V, W, X and Y, sit around a square table and faces towards the centre of the table. Four of them sit at the corner of the table and other four sit at the middle of the side of the table. The distance between two adjacent persons is same. R sits second to the right of T. T sits opposite to W. Two persons sit between Y and S. S sits neither adjacent to R nor at any corners of the table. U sits immediate left of S. Neither Y nor X sits adjacent to W. Who sits immediate right of R?