The Sock Drawer

I was tired of matching sock mates in my sock drawer.  So I decided to tidy up the messy pile of socks. It took me at least half an hour to match each sock with its mate and lay them neatly in the drawer. Whites, blacks, blues, patterns and hose went in separate piles.  Velvet and Socks watched from a distance. I was pleased they did not try to help as I was eager to get into bed. The next morning, I observed that one or more study subjects had been busy: