Continuing from Knot diagrams of the SKI (zipper logic V) , here are some more drawings of the S combinator which was described in the last post by means of crossings:
Seen like this, it looks very close to the drawings from section 5 of arXiv:1103.6007.
I am not teasing you, but many things are now clear exactly because of all these detours. There is a lot to write and explain now, pretty much straightforward and a day after day effort to produce something which describes well the end of the journey. When in fact the most mysterious creative part is the journey.