Yeah, easy is for sure the wrong word, but if techrate had been fast or normal, I think it would be impossible.
My techpath went:
Agri->Hunt->Archery->AH->Mining->Pottery->BW->Writing->Myst->Poly->Priest->Monarchy
Up to archery I think is mandatory, but after that I felt I need AH, to get some food for the capital, I settled Osaka so it would get the Wheat.
I overestimated barb galleys, thought they would come much much sooner, so I didn't dare rely anything on seafood.
But AH could probably be postponed or ignored.
Mining is probably necessery to get enough production for archers, but BW could probably be postponed or ignored too. (Although that borders on exploiting map knowledge imho. Noone with a sane mind would forfeit the chance of getting copper here.)
Pottery early I think is important, and with all pre-reqs it's cheap too.
Don't think sailing before writing makes much sense, and to settle the island earlier, one probably has to delay library early on, in a coastal city that can supply galley and workboat(s).