Very interesting. But I need a marker to start. Usually at such levels the author makes a mark for the start or finish. At your level you need a marker to start. Because there are so many options for starting positions
I did what seems obvious but then I am totally stuck ... or maybe is me cause although I know how the classic "low ceiling" works, I am really bad with those sophisticated "low ceiling" ... uuhhmmm, any hint? or at least a solution movie so I can learn for future levels?