OK, here's my 10 turns:
Well, our economy started taking a nosedive, so unfortunately Science had to be reduced to 0% again. I moved the units in Ethiopian territory back into ours (to help with 'troops in enemy lands' costs) near the end of the turnset, since there was nothing to do. I did see a worker in the city as I left, so maybe some more pillaging will be in order soon!
So, the initial problem was the SoDs entering our lands. I promoted an axe to Combat I + Shock - a good combination for homeland defence, and we'll be needing it in the future. I move a stack of axes down to meet the first SoD, guessing they might land on the rice. I chop the Pyramids.
End of turn 206:
Next turn, the stack moves back up...I move my stack back up.
Next turn, they split, which is rather annoying, so I keep my stack where it is to entice the southern stack onto the rice like they meant to do before. Then they'll be weak. I also whip an Archer in Ecbatana just in case and a catapult in Pasargadae.
I also explore with my axe to the west and meet more of them coming east...
I also attacked the northern marching stack (3 2CR swords and an axe) with an Immortal - it retreated, leaving the swordsman with 0.3 health. That's one out the way!
At the end of this turn (208) I move a couple of units from adjacent cities to cover the high defensive squares the stack might move to.
Next turn, as I thought, the southern stack move to the rice square. There is a resounding clash of swords as my nearby stack
annihilates his - we didn't lose one unit!
There's more units steadily approaching from the west
A couple turns later (211) the northern stack is now surrounded and ready for the kill next turn.
Now, at the end of turn 215 and after defeating a couple units from the oncoming west stacks (above), our situation looks much better:
And to make it even nicer....we also got the Pyramids in turn 215 after some heavy chopping!!
We really need to lessen up on the units now, our economy can't handle any more. I am in the process of building a couple of cottages too. And the gems will be able to be mined in a turn or two when the square can be defended.