(12-2-2023) Similar to Jeff, I am currently 10 off.
That's a Super Grandmaster construction again.
Made me think my Pentessence experience. I was just unsure which side is the correct one.
21x21 size is a bit small for my mobile, I would come back to this later!
I had some difficulty finding the last 2 and that's a great pipeline trick well hidden!
I had a look at that the title referred. If it is more sphere like I would think the aesthetics aspect will be better.