C11112331312111112111133133313331333133313331333133313331333131213232231   >>    C1111233131211111211113313331333133313331333133313331333133313121323223   <<    C11112331312111112111133133313331333133313331333133313331333131213232233   >>      C11112331312111112111133133313331333133313331333133313331333131213232232   >>