probable floor or floor prep. Perhaps delineating the edge of a stratigraphic basin or hut. Possible continuation of 2772 and both could run under the floor 2817. There is no clear continuation at this point however, so it is possible that this is related almost entirely to a different basin that sits in the N. part of the courtyard.
Semi circular red crushed tufo deposit in center of courtyard S. and E. of cut 2339
From N