C312322331333132212111133133313113313331333131133133313331333133313331311223231   >>    C31232233133313221211113313331311331333133313113313331333133313331333131122323   <<    C312322331333132212111133133313113313331333131133133313331333133313331311223233   >>      C312322331333132212111133133313113313331333131133133313331333133313331311223232   >>