About: http://webisa.webdatacommons.org/6191018

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	nice solution! have one question. say the smallest digit larger than x is y. can we just swap x and y, then reverse x.index+1 -> end?
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com