C31232233133313221211113313331333133313331212111133132322231311331211   >>    C3123223313331322121111331333133313331333121211113313232223131133121   <<    C31232233133313221211113313331333133313331212111133132322231311331213   >>      C31232233133313221211113313331333133313331212111133132322231311331212   >>