C222133313331333131123313231333133313331333132213331333131213331323233212121
>>
C22213331333133313112331323133313331333133313221333133313121333132323321212
<<
C222133313331333131123313231333133313331333132213331333131213331323233212123
>>
C222133313331333131123313231333133313331333132213331333131213331323233212122
>>