C312322331333132212111133133313331333131133113313331333133313311211113322233121   >>    C31232233133313221211113313331333133313113311331333133313331331121111332223312   <<    C312322331333132212111133133313331333131133113313331333133313311211113322233123   >>      C312322331333132212111133133313331333131133113313331333133313311211113322233122   >>