sentences:  Structures C-22 to C-29 form a well-defined cluster arranged around a central courtyard lying to one side of a possible causeway running southwards from Group C to Group D. Most of these mounds are quite small, with only Structures C-22 and C-25 being of a larger size, measuring in diameter and high.The whole complex is located upon an artificially levelled platform; the central courtyard has an area of .Group D is located to the south of Group C and is linked to it by a wide causeway that runs for .