(8 years ago) I can't believe I still have problems with such levels. 6 tries! Not a piece of cake, for me. :)
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EDIT, 6. aug., 2022 - I forgot to give it 5 stars. Had problems solving it, even today, after so many years (and over a month of practice, lately). It's a great pipelining level! Bravissimo, Maestro Diab!