C11112331312111112111133133313331333132323213331333131333131213231331123231   >>    C1111233131211111211113313331333133313232321333133313133313121323133112323   <<    C11112331312111112111133133313331333132323213331333131333131213231331123233   >>      C11112331312111112111133133313331333132323213331333131333131213231331123232   >>