C31232233133313221211113313331333133313331212111133131133131121131213223331   >>    C3123223313331322121111331333133313331333121211113313113313112113121322333   <<    C31232233133313221211113313331333133313331212111133131133131121131213223333   >>      C31232233133313221211113313331333133313331212111133131133131121131213223332   >>