C222133313331333131123313231333133313331333133313331333133311211312131   >>    C22213331333133313112331323133313331333133313331333133313331121131213   <<    C222133313331333131123313231333133313331333133313331333133311211312133   >>      C222133313331333131123313231333133313331333133313331333133311211312132   >>