Why specifically that range? That's outside the range of the entity list, even outside the range of the OOB Boss numbers. https://docs.google.com/spreadsheets/d/12iC9uRGNZ2MnrhpS4s_KvIRYHhC56mPXCnCcsDjxit0/edit#gid=0
Have you tried loading one of the CS+ mods? Cuz those aren't fully documented, since nobody mods CS+.