C222133313331333131123313231333133313331311111211113313232233313233313231322131   >>    C22213331333133313112331323133313331333131111121111331323223331323331323132213   <<    C222133313331333131123313231333133313331311111211113313232233313233313231322133   >>      C222133313331333131123313231333133313331311111211113313232233313233313231322132   >>