Comment by jonnycomputer

Interestingly enough, that video shows a level that is similar but not identical to the one I could not (and thus far cannot) win:

https://drive.google.com/file/d/1_rZNJDQX_mx45iyaXdmS2gWi2Dw...

Apart from it being a mirror image (and I guess rotated), the starting positions differ.

I suspect it is, in fact, not solvable.