Looking at hoopsnake may help. (?)

Google search of "hoopsnake examples"

Laying bricks example pdf:
https://www.researchgate.net/publication/332834996_Loops_in_Grasshopper

https://www.youtube.com/watch?v=gpv5prTmcjo

- Brian

A processed component gets feed back into the "start" of the node program, with some termination method...

(cannot say that I understand it. It would be nice to identify the inputs and outputs of Karsten's program, and compare with the hoopsnake inputs and outputs...(or the other two methods).