C222133313331333131123313231333133313331333131123313331311331312112121   >>    C22213331333133313112331323133313331333133313112331333131133131211212   <<    C222133313331333131123313231333133313331333131123313331311331312112123   >>      C222133313331333131123313231333133313331333131123313331311331312112122   >>