C1111121111331311211331333133313231333132213233313331333131133232311   >>    C111112111133131121133133313331323133313221323331333133313113323231   <<    C1111121111331311211331333133313231333132213233313331333131133232313   >>      C1111121111331311211331333133313231333132213233313331333131133232312   >>