C22213331333133313112331323133313331333131311331333132323213231221   >>    C2221333133313331311233132313331333133313131133133313232321323122   <<    C22213331333133313112331323133313331333131311331333132323213231223   >>      C22213331333133313112331323133313331333131311331333132323213231222   >>