NPCs composing that spawngroup :

#Gas_Chamber_Cheater_2 (100%)

NPCs spawning around that spawngroup :
(Max range : 100)

uqua61475, range=59 (-658,-868,27)

uqua61476, range=70 (-655,-901,25)

uqua61477, range=70 (-655,-835,25)

uqua61497, range=92 (-809,-871,31)

uqua61502, range=62 (-655,-868,27)

uqua_99099, range=55 (-772,-869,31)