C22213331333133313112331323133313331333133313211232313331322331312323121   >>    C2221333133313331311233132313331333133313331321123231333132233131232312   <<    C22213331333133313112331323133313331333133313211232313331322331312323123   >>      C22213331333133313112331323133313331333133313211232313331322331312323122   >>