Help Identifying Super Structure

[CatHeist]

In the back are 2x Halibut conning towers, what i cant figure out are the 4 super structures shown here. They are thin enough to leave 3 squares on each side of the grasp. Please help me figure out what these are!
https://steamcommunity.com/sharedfiles/filedetails/?id=3599040070

[76561199766238029]

The name of the thee-story cabin and its characteristics are 20000-28000 weight, 60000-90000 durability, bonuses like Grachonok B, only 10% less durability is given to the hull, the size of the cabin installation is 9 cells wide by 10 long, that is 9x10 and turret bases on the sides.

[76561199766238029]

You can get a cabin from boarding ap anchovy 2 or 3 burdock with a 1% chance if there is a thee-story cabin on the deck, coordinates J2, H21 there are anchovies, D 10, S16 there are burdock, l got 7 cabins fot 900+ boarding.

[76561199766238029]

If something is unclear, the other guys will add to it, but l tried to explain it completely, and especially since l'm Russian.

[Kaelefth]

Originally posted by CatHeist:

In the back are 2x Halibut conning towers, what i cant figure out are the 4 super structures shown here. They are thin enough to leave 3 squares on each side of the grasp. Please help me figure out what these are!
https://steamcommunity.com/sharedfiles/filedetails/?id=3599040070

As mentioned, those are the Three-Story Cabins, which are very rare drops off of certain spawns points, looted from boarding ships.

[CatHeist]

I get it now dropped only from boarding. No wonder I couldn't find them crafting!

[Mariner]

Originally posted by George:

You can get a cabin from boarding ap anchovy 2 or 3 burdock with a 1% chance if there is a thee-story cabin on the deck, coordinates J2, H21 there are anchovies, D 10, S16 there are burdock, l got 6 cabins fot 700+ boarding.

How do you board this burdock , i know its done cause i see the burdocks boarded naked on the sea but i cant seem to find some kind of hidden last crew or gunner , so i dont get the E - board option

[76561199766238029]

Repei with three-story cabins, the last shooters are rocket launchers between the cabins in front of the repei, it is difficult to knock out, because damage sometimes goes through them and you will have to carefully hit them and not the body of the repei.