C222133313331333131123313231333133313331311111211113313331322232133112211311
>>
C22213331333133313112331323133313331333131111121111331333132223213311221131
<<
C222133313331333131123313231333133313331311111211113313331322232133112211313
>>
C222133313331333131123313231333133313331311111211113313331322232133112211312
>>