C222133313331333131123313231333133313331333133313331333133311212121   >>    C22213331333133313112331323133313331333133313331333133313331121212   <<    C222133313331333131123313231333133313331333133313331333133311212123   >>      C222133313331333131123313231333133313331333133313331333133311212122   >>