C131121333133313233213331333133313331333133313331333133313123223212323111
>>
C13112133313331323321333133313331333133313331333133313331312322321232311
<<
C131121333133313233213331333133313331333133313331333133313123223212323113
>>
C131121333133313233213331333133313331333133313331333133313123223212323112
>>