C312322331333132212111133133313331333131133113313331333132112111221   >>    C31232233133313221211113313331333133313113311331333133313211211122   <<    C312322331333132212111133133313331333131133113313331333132112111223   >>      C312322331333132212111133133313331333131133113313331333132112111222   >>