C3123223313331322121111331333133313331333121211111133131133133313222313331   >>    C312322331333132212111133133313331333133312121111113313113313331322231333   <<    C3123223313331322121111331333133313331333121211111133131133133313222313333   >>      C3123223313331322121111331333133313331333121211111133131133133313222313332   >>