C2221333133313331311233132313331333133313331321123231333132213233232331211
>>
C222133313331333131123313231333133313331333132112323133313221323323233121
<<
C2221333133313331311233132313331333133313331321123231333132213233232331213
>>
C2221333133313331311233132313331333133313331321123231333132213233232331212
>>