Originally Posted by
jaberwok
I turned on solid history display (SHOWHIST command) and it's a mess. Each real section contains history from 2 of the other segments. I don't know how you got to that point.
Anyway, I deleted 3 segments leaving one that I think is how you wanted it and mirrored again to get four segments. I saved and closed it and re-opened it and I think it's okay though the old solid history has been lost.
Edit: yes, I did see the correct shape whilst the original file was loading.