C22213331333133313112331323133313331333133313331333133313331311223221   >>    C2221333133313331311233132313331333133313331333133313331333131122322   <<    C22213331333133313112331323133313331333133313331333133313331311223223   >>      C22213331333133313112331323133313331333133313331333133313331311223222   >>