C22213331333133313112331323133313331333133313112331333131133132313332212121   >>    C2221333133313331311233132313331333133313331311233133313113313231333221212   <<    C22213331333133313112331323133313331333133313112331333131133132313332212123   >>      C22213331333133313112331323133313331333133313112331333131133132313332212122   >>