C312322331333132212111133133313331333131133113313331333111123331   >>    C31232233133313221211113313331333133313113311331333133311112333   <<    C312322331333132212111133133313331333131133113313331333111123333   >>      C312322331333132212111133133313331333131133113313331333111123332   >>