Overlay of CO(2–1) (left) and H i (right) contours on the PACS intensity map of [C ii] for the central (top) and BCLMP302 (bottom; Mookerjea et al. 2011) regions. The [C ii] data has no velocity information and CO(2–1) and H i spectra have been integrated over the entire range of velocities. The white and black regions in the top and bottom panels respectively, indicate regions not mapped with PACS.