From the introduction: Enhanced Map 5-16-2019 contains a multi-page .pdf document containing four versions of the map, two with white backgrounds, and two with black. In each of those pairs there is a DM-only map that shows all the numbering, secret doors, and traps, and a player version of the map, that leaves those details out. This particular map features 31 rooms, many of which are hexagonal or octagonal.