C22213331333133313112331323133313331333133313211232313331333131212113311231   >>    C2221333133313331311233132313331333133313331321123231333133313121211331123   <<    C22213331333133313112331323133313331333133313211232313331333131212113311233   >>      C22213331333133313112331323133313331333133313211232313331333131212113311232   >>