C312322331333132212111133133313331333131133113313331333131211111333133112212131   >>    C31232233133313221211113313331333133313113311331333133313121111133313311221213   <<    C312322331333132212111133133313331333131133113313331333131211111333133112212133   >>      C312322331333132212111133133313331333131133113313331333131211111333133112212132   >>