i opted for exactly the same strategy as in deity aw 2:
getting col via the oracle and getting my gs by a spy-specialist from an early courthouse. but this time, i got the oracle in the capital (no decent second city near with enough wood) and got the courthouse in my second city:
here is a very informativ pic with me getting col

:
View attachment 291174
quite late, but this is aw with no techtrading, so wonders just go later and something like t70 still is ok for the oracle.
my cities and land:
View attachment 291172
i apparently managed to pull off quite an impressive rex with 8 cities at 500 BC

... ...i´m a bit surprised by that myself, didnt remember that my save was any good and was already thinking about switching to dirks game...
there is even another settler in a galley heading for the 1 tile island... ...so i guess i will go on with my save a bit more, having 9 cities pre 1 AD is great
and yes, all these markers make this screen very, very informativ and such (but i dont wanted to delete them, since i´m used to save workerturns and do stuff while moving them around, like roading for a turn, or cottaging for a turn and deleating these markers would really screw off my worker mikro i guess)
two other pics i have found from my play:
View attachment 291173
the barbcity that blocked the hill i initially wanted to settle my blocking city onto (the one dirk settled, since it blocks better)
View attachment 291176
brennus of france helped a bit punishing the stupid barbs for settling in my way

:
View attachment 291176
sadly, he managed to take the city (he had 4 units, if i remember right, 2 swords, 1 axe, 1 spear against 4 barbarchers)... ...and the lucky bastard he is, he won every single fight and sacked the city, stealing MY plunder money

... ...well, at least i could kill his almost dead sword at 99.9% odds to punish this at least a bit (and i razed the city).
...
the problematic city i see here is
clam city. this city might be too close to the front and draw units towards it. actually, there is a nasty stack of chariots and impis (7 units in total) near the blocking city right when i stoped playing. they could really become a problem. i have 3 skirms drawn back and stupid clam city is working on city walls right now.
i think i remember now that this stack actually was the reason why i stoped playing