She was looking in the direction of the closed door, given that was easiest and she hadn’t much choice, when three bright small points of light moved horizontally across her vision, dead level, one after another, right to left, and vanished. Red, then green, then blue. They’d seemed to be either square or rectangular, and she’d barely had a chance to wonder whether she might be having a stroke, a seizure or something, when they were back, right to left again, same order, closer together, then collapsing into a single longer one. Aquamarine.