C312322331333132212111133133313331333131133113313331333131133132322232331   >>    C31232233133313221211113313331333133313113311331333133313113313232223233   <<    C312322331333132212111133133313331333131133113313331333131133132322232333   >>      C312322331333132212111133133313331333131133113313331333131133132322232332   >>