C312322331333132212111133133313331333131133113313331333133313133313231333131221   >>    C31232233133313221211113313331333133313113311331333133313331313331323133313122   <<    C312322331333132212111133133313331333131133113313331333133313133313231333131223   >>      C312322331333132212111133133313331333131133113313331333133313133313231333131222   >>