Teach1 (XL) 1/3 (Patreon)

Well, this went a bit out of control. This version was the start of it all a while back, I picked it up again and then it went astray. Now there are so many versions that I better make three posts of it because I highly doubt that the Patreon interface allows a 12 picture post. 10 perhaps, but that would make it quite illogical. So, here's post one of three.