 The scholars Moeller and Marouard discuss the discovery of an important early 12th dynasty Middle Kingdom administrative building in the eastern Tell Edfu area which was continuously employed into the early Second Intermediate Period before it fell out of use during the 17th dynasty when its remains were sealed by a large silo court.Fieldwork by Egyptologists in 2010 and 2011 into the remains of the former 12th dynasty building which was also used in the 13th dynasty led to the discovery of a large adjoining hall which proved to contain 41 sealings showing the cartouche of the Hyksos ruler Khyan together with 9 sealings naming the 13th dynasty king Sobekhotep IV.As Moeller and Marouard write