C312322331333132212111133133313331333131133113313331333133313311211111223221   >>    C31232233133313221211113313331333133313113311331333133313331331121111122322   <<    C312322331333132212111133133313331333131133113313331333133313311211111223223   >>      C312322331333132212111133133313331333131133113313331333133313311211111223222   >>