C22213331333133313112331323133313331333131311331333133313112221132211   >>    C2221333133313331311233132313331333133313131133133313331311222113221   <<    C22213331333133313112331323133313331333131311331333133313112221132213   >>      C22213331333133313112331323133313331333131311331333133313112221132212   >>