When the staircase net is folded into a cube, which of the points Q, R, S and T ends up at the same corner as point P?

The staircase wraps round so that the top edge of the first square closes up against the bottom edge of the last square, left end to left end and right end to right end. P is the right-hand end of that top edge, so it meets R, the right-hand end of the bottom edge. (Q is where the left-hand end goes.)