C222133313331333131123313231333133313331333131123313331311331333112121   >>    C22213331333133313112331323133313331333133313112331333131133133311212   <<    C222133313331333131123313231333133313331333131123313331311331333112123   >>      C222133313331333131123313231333133313331333131123313331311331333112122   >>