C3123121111113313121111331333133313311211113313331333132332113223311   >>    C312312111111331312111133133313331331121111331333133313233211322331   <<    C3123121111113313121111331333133313311211113313331333132332113223313   >>      C3123121111113313121111331333133313311211113313331333132332113223312   >>