Remember these?
Well if you don't here's 2 examples of previous ones, they can be either something small like
THIS or something large like
THIS - easy isn't it
I will reveal just 1 circle per day, I'll read the thread as often as possible and let you know if you have got it right, no clues as I want it to last a few days, not got many pics to go at.
Well here's No. 21