Haven't attempted yet but I can already see the general idea and it looks very very cute.
EDIT: Solved, cute indeed. One shot if you see the pattern, though there is a somewhat sneaky 2 off if you're not paying attention.
This level is a masterclass test of pipelining techniques. Not only do you have to thoroughly understand displacement pipelining, you also have to understand [REDACTED].
The design of this level is excellent. Given the particular theme and size constraint, it's not easy to make a level such that it's not even immediately clear which direction you should go.