C31232233133313221211113313331333133313331212111133131133132232233133311   >>    C3123223313331322121111331333133313331333121211113313113313223223313331   <<    C31232233133313221211113313331333133313331212111133131133132232233133313   >>      C31232233133313221211113313331333133313331212111133131133132232233133312   >>