also Wikipedia says that this is an open problem. However, with the "citation needed" warning... https://en.wikipedia.org/wiki/L-system#Open_problems:~:text=Gi

also Wikipedia says that this is an open problem. However, with the "citation needed" warning... https://en.wikipedia.org/wiki/L-system#Open_problems:~:text=Given%20a%20structure%2C%20find%20an%20L%2Dsystem%20that%20can%20produce%20that%20structure https://en.wikipedia.org/wiki/L-system#Open_problems:~:text=....