Amongst the 3 variations, this one is already the most challenging. After some time, I forgot the correct solution and have to play it once again (so ...
(11 years ago) Wow, very interesting. Had some troubles, finding the last two. :) 20 tries for me.
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Edit, 04. august, 2022: I give it absolute 5 stars, now. I hardly beat it again, today!
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EDIT 2022, 15th Dec. - forgot to actually CLICK the stars. Correcting, now! :))
Just some personal notes:
(Originally 'Trasnscribe more', made on Jan 22, 2009) (Notes added on Jan 5, 2013)
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(15-12-2022) Did not beat this in PP2 site, finally done that here. More deranged ALT than I have expected. Glad that FlashBack introduced the pipelining trick in the level.
Glad that my 2999th level solved is my level.