Eight boxes P, Q, R, S, T, U, V and W are arranged in a stack numbered 1-8 from bottom to top but not necessarily in the same order. Box U is placed on the stack numbered 4. More than one box is placed between Q and U. V is placed just below Q. The number of boxes placed above T is same as the number of boxes placed below R. T is placed above R. S is placed immediately above W, which is not placed on the stack number 1. Q is placed above U.