I’d just like to say that I went back and looked at the first photo of this thread…. And I don’t find it odd at all. I see a man doing what he has to do and figuring it out.
He should get kudos for improving workplace efficiency. Lord knows how many trips it would have taken to carry them all by hand...that is, of course, assuming he isn't stealing the unit masonry.
10 o'clock and 7 o'clock are inactive? Seems a lot of trouble to go to to just give up so near to the finish line.