Well done on capturing Duro w/granary Sun Tzu Wu!!! Now we'll see if we can keep it...
Moving Forward
1. mabraham's idea to bombard Camulo T138, capture on T139 makes sense to me.
On attacking with the treb: I haven't checked the treb attack odds, but that would of course be a CRI promotion first. We could go with the 87% odds, but I envision that treb as crucial to our later success and sacrificing a unpromoteable chariot or two might be wiser, especially now that WastinTime got his wish and we won't be destroying the Dun in Bibracte. We'll need that treb not only for bombardment but also maybe to attack with. The treb can bombard at any HP but won't be able to attack again.
Losing a unit here and there is not necessarily bad, especially if those units are cheap and quick-moving chariots.
As mabraham says, capturing Camulo on T139 should not set back Tolosa, if all goes according to the normal odds.
If we do suicide two chariots, then it probably behooves us to replace them, so that our attack on Bibracte and Vienne runs smoothly.
2.
Horse City
I would build the maceman as planned. It's needed. Instead of whipping the archer I would do this:
T138
Horse CIty: Build maceman, work deer, horses, Gmine
Orleans: Build pike, work fish, 2cott, sheep, 2Gmines (3 unhappy I think)
Pikeman I (DPF) moves to HC-2E
Bill (Orleans) moves to Horse City
Warrior 9 (Horse City) promotes to CI
What to do on T139 then depends on Brennus chariot. Probably it kills Warrior 9, in which case Pikeman I kills it. If the chariot goes to our deer tile, we'll lose that improvement. So be it. In any case, we then have:
T139
Horse City: 2whip mace
Bill moves back to Orleans (our mace will be born before Brennus chariot can attack HC)
Life goes on...
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Notes:
1. @mabraham: Sun Tzu Wu's PPP already has a workable plan for the silk workers after building the plantation. He's prioritizing getting the incense connected asap for the +1

. Take a looksee...
2. Cancel everything I said about the not-spawnbusted tiles north of Duro--Adam is spawnbusting them, of course. D'oh! That means Strauss is free to do as he pleases after the current mine.
3. I think Adam could very carefully (1 tile per turn) try to move to within two tiles of Isca. For instance, Isca-2NW would be ideal. Hopefully, he can discourage Isca from reinforcements to TOlosa. I wouldn't try to steal a worker if we don't know for sure it's safe.
4. Jacques (scout) can do a huge amount of barb galley spawnbusting on the middle island.
5. Lyons gets Confu on T140 if Emerillon waits at DrunkPigs-1NW and the Confu Miss boards on T139.
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Learning by Hindsight
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Keep up the good work, Sun Tzu Wu!!!