common.size 27x25Load alloy into the mass driver and connect power into it.
Take note that this wall is neccessary.
No water version. 1954 4100 17464 10490 125 1200 9936 4800 tags.planet(tags.serpulo)tags.version(tags.v7)tags.type(tags.logic)tags.time(tags.late-game)tags.type(tags.defense)tags.position(tags.any)