30.
R, S, T, I, U, V, W, X and Y are sitting around a square table facing the center of the table. Some of them are sitting at the corners while some are sitting at the exact center of the sides. R is the immediate neighbour of X and Y. X sits in any of the corners. W sits third to the right of T. T does not sit in any of the corners. U is the immediate neighbour of Y and W. V is not the neighbour of W.
How many people sit between W and T, when counted from the right of W?