String Hexagram

This one is a bit intricate for my liking. I suspect that there are some “out there” who will like it.

Today’s Gratitude Item: All the textbooks that mysteriously went missing from my class during exam week have re-appeared. They were texts used by my junior classes and someone “borrowed” them, took them to a completely different area of the school due to a room change and did not return them. Happily one of my colleagues found out where they ended up and they are now back where they belong.