C321332233313331311331322121111331333133313232233323222312333221211   >>    C32133223331333131133132212111133133313331323223332322231233322121   <<    C321332233313331311331322121111331333133313232233323222312333221213   >>      C321332233313331311331322121111331333133313232233323222312333221212   >>