Jordá sees in it a typical sign in the form of a 'sack' related to the sealed enclosures mentioned before, and to serpentine forms which appear at the end of its Middle Cycle. Casado López finds parallels at Marsoulas and Font de Gaume. Amelkin proposes a way to read the inscription using the symbols of the Australian Aborigines as well as the Proto-Afroasiatic pictograms.[19]