C2221333133313331311233132313331333133313331322231333132313232212212121
>>
C222133313331333131123313231333133313331333132223133313231323221221212
<<
C2221333133313331311233132313331333133313331322231333132313232212212123
>>
C2221333133313331311233132313331333133313331322231333132313232212212122
>>