About: http://webisa.webdatacommons.org/50891118

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 topic is mainly oriented to ???help??? beginners and some ???medium??? players to finish puzzles like this one that in fact only requires simple analysis (however only about the 30% of the active puzzlers got the solution).
http://www.w3.org/ns/prov#wasQuotedFrom	calcudoku.org