C31232233133313221211113313331333133313331212111133131133131122233233233311   >>    C3123223313331322121111331333133313331333121211113313113313112223323323331   <<    C31232233133313221211113313331333133313331212111133131133131122233233233313   >>      C31232233133313221211113313331333133313331212111133131133131122233233233312   >>