sentences:  The ritual involved in depositing stone upon the burial was common among the elite in the Petexbatún region but Burial 4 is the only known burial where this rite was performed in a non-elite setting in the whole region.Excavators recovered a whole eccentric flint in a rubbish deposit to the north of Structure Q6-8.Group R6-1 is similar to Groups Q5-1 and Q6-1, except that the higher pyramid structure is on the south side of the courtyard.