C22213331333133313112331323133313331333131311331333132212323221   >>    C2221333133313331311233132313331333133313131133133313221232322   <<    C22213331333133313112331323133313331333131311331333132212323223   >>      C22213331333133313112331323133313331333131311331333132212323222   >>