4. Along the north side of this building was a passage five metres wide and fifty metres long, with entrances on that side.
5. The rooms at the upper level of the building were narrower than those at the middle and lower levels because they were set further back.
6. The rooms at all three levels were on terraces and were not supported by columns like the other buildings in the courtyard.
7-8. At the lower level the outer wall of the building was solid for 25 metres, half its length; and there were rooms in the remaining 25 metres. At the top level there were rooms in the entire length of the building.