C11112331312111112111133133313331333132323213331333133313121113111   >>    C1111233131211111211113313331333133313232321333133313331312111311   <<    C11112331312111112111133133313331333132323213331333133313121113113   >>      C11112331312111112111133133313331333132323213331333133313121113112   >>