Connectome data in this directory hemibrain v1.2 — HHMI Janelia Research Campus, FlyEM Project Team. Licensed CC-BY 4.0. Scheffer LK, Xu CS, Januszewski M, et al. (2020) A connectome and analysis of the adult Drosophila central brain. eLife 9:e57443. https://doi.org/10.7554/eLife.57443 Obtained from https://storage.googleapis.com/hemibrain/v1.2/exported-traced-adjacencies-v1.2.tar.gz (neuPrint export). Files named hemibrain-v1.2-*.fefec are derived works: a subset of neurons and connections re-encoded in a compact binary, with a human-defined transmitter sign per cell type. The selection rule and sign table are stored inside each file and in the sibling .json. No FlyWire data (CC-BY-NC) and no GPL simulator code is included. MaleCNS v1.0 tables are not stored here. See NOTICE-malecns.txt. The official-brain worker downloads them.