C312322331333132212111133133313331333131133113313331333131211111122311223331   >>    C31232233133313221211113313331333133313113311331333133313121111112231122333   <<    C312322331333132212111133133313331333131133113313331333131211111122311223333   >>      C312322331333132212111133133313331333131133113313331333131211111122311223332   >>