documentation user manual HMG 24 placements?

[Redamare]

Stated in the manual

Heavy MG: A deployable heavy machine gun. Requirements and limitations:

Must be placed within 200m of a FOB / hideout and at least 200m away from the team's CO-Post and 50m away from Vehicle Depot.
2 large supply crates must be within 200m.
Only 2 MG’s per FOB and within 200m radius.
The team can have up to 24 heavy MGs.

maybe I am wrong but I dont think the math adds up there. if there can only be a maximum of 6 fobs and 2 HMG each doesn that mean there should be a maximum of 12? or does this apply if a fob is destroyed the HMG stay in place and 2 more can be built elsewhere. if that is the case ... Daam I'm going to milk that one day.