Area: B, The crushed tufo floor in room b4.

Area: B, Retaining wall in Rooms b4 and b5 of Area B

Area: B, Cut filled by 1306 and 1279, related to walls of rooms 1, 2, 3, 4 and 5

Area: B, Cut for wall 1308 to North of the Rooms b3 and b4.