C133323133112111133133313331333133313232331211113313331322123123232311   >>    C13332313311211113313331333133313331323233121111331333132212312323231   <<    C133323133112111133133313331333133313232331211113313331322123123232313   >>      C133323133112111133133313331333133313232331211113313331322123123232312   >>