C22213331333133313112331323133313331333133313211232313331311132211   >>    C2221333133313331311233132313331333133313331321123231333131113221   <<    C22213331333133313112331323133313331333133313211232313331311132213   >>      C22213331333133313112331323133313331333133313211232313331311132212   >>