C131121333133313233213331333133313231333133313331333131232313221
>>
C13112133313331323321333133313331323133313331333133313123231322
<<
C131121333133313233213331333133313231333133313331333131232313223
>>
C131121333133313233213331333133313231333133313331333131232313222
>>