OK. Last day of the working week. Let's see if I can stump you for longer than 10 minutes this time.
By the way, if you want to send in your own scribbles -- please do so! Just contact me here.
As for today's game -- crossing fingers. I was going to go with something more recognisable and thought, "No, you've all done too well this week."
So let's see how this goes.