About: http://webisa.webdatacommons.org/245082146

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Each square in the schematic is a 4x4 square centered around a 12 or 13 which must be visible from 2 other squares in the schematic.
http://www.w3.org/ns/prov#wasQuotedFrom	stetson.edu