It is not essential that the whole circular network to be incorporated in a life-like system. A part of the network is accelerate by a newly evolved ribozyme is important. I tried to describe this, but it seems not sufficient. So I added carefully descriptions at lines 455 – 457, 466 – 471, 483 – 48
From the origin of life viewpoint, even the simplest of these (the prokaryote) is still very complex.