someguy2
Recruit
First you need to understand what does the tweak change. And I'm not talking about understanding what does the code actually mean. Just the pattern. It adds a troop range to an already existing trigger, in form of
1073741857 3 1224979098644774913 troop_range_min troop_range_max
as said in the description (1073741857 3 1224979098644774913 360287970189639865 360287970189639884 for adding Pendor troops)
So to undo the gender swap of Fierdsvain units, you remove the other 2 ranges that look similarly, and decrease the operation counter (13) by the same method that you would've increased it if you added a new range instead. Therefore, remove this:
1073741857 3 1224979098644774913 360287970189639823 360287970189639827 1073741857 3 1224979098644774913 360287970189639837 360287970189639840
And decrease that highlighted 13 by 2 (13 -> 11). For all 33 instances of the trigger.
#Edit: Never mind, it does not crash the game, but it doesn't remove the mix-genderization of Fierdsvain troops. I absolutely didn't have time to test it when I posted, now I did. Something else is working in the background too, which I have no idea what it is atm. Furthermore, you'd need to start a new game even if you succeeded with the removal of mix-gendered troops...
Thanks for trying anyway