About: http://webisa.webdatacommons.org/135719994

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	This toy is a physical model of a particular task from the general mathematical problem of covering one geometrical shape with several other.
http://www.w3.org/ns/prov#wasQuotedFrom	puzzles.com