C312322331333132212111133133313331333131133113313331333131211111333133112233111   >>    C31232233133313221211113313331333133313113311331333133313121111133313311223311   <<    C312322331333132212111133133313331333131133113313331333131211111333133112233113   >>      C312322331333132212111133133313331333131133113313331333131211111333133112233112   >>