Maybe better to just read the arxiv article, linked in OP. It's quite readable for a lay-person such as myself, and the meat is quite short. There are pictures

Maybe better to just read the arxiv article, linked in OP. It's quite readable for a lay-person such as myself, and the meat is quite short. There are pictures starting page 23. https://arxiv.org/abs/2006.14805 https://arxiv.org/abs/2006.14805