C133323133112111133133313331333133313233213331333131133131133133313222121   >>    C13332313311211113313331333133313331323321333133313113313113313331322212   <<    C133323133112111133133313331333133313233213331333131133131133133313222123   >>      C133323133112111133133313331333133313233213331333131133131133133313222122   >>