C312322331333132212111133133313331333131133113313331333131211111212211   >>    C31232233133313221211113313331333133313113311331333133313121111121221   <<    C312322331333132212111133133313331333131133113313331333131211111212213   >>      C312322331333132212111133133313331333131133113313331333131211111212212   >>