C22213331333133313112331323133313331333133313211232313332213121   >>    C2221333133313331311233132313331333133313331321123231333221312   <<    C22213331333133313112331323133313331333133313211232313332213123   >>      C22213331333133313112331323133313331333133313211232313332213122   >>