This ¡¡, this is exactly what it's happening, I have only 17 victories in 68 matchs, 15 were from the first week of frontlines just right before Maelstrom and immortal joined forces against TA.
This is the strategy I've seen so far:
Each one of them send more than 1 party (sometimes 16 people) to manors (Mael) and markets (Imm) respectively , then the people that die during the fight and are not in the original party (A or C) for that post goes to middle for drones, meanwhile the rest guards post (manor or markets). If they still have to many ppl there, they send a small group to get Adder OP or camp spawn point. At this time, just a party of 8 ppl are fighting sun temple and they start to regroup at middle for drones.
The rest is very much what Kinseykin said. Twin Addler wont be able to win because we have to fight against 2 parties at each side plus defend our OP from the remains of those 2 parties.

We need random start points and hidden from the map, so Immortals and Maelstrom does not know were to attack hard and first.